Cisco N9K-C93180YC-EX
5.0Editor score
48 fixed 25G SFP+ ports
Six 100G QSFP28 uplinks
3.6 Tbps switching capacity
VXLAN and ACI support
In this guide
A 25GbE switch with SFP28 ports gives high-speed networks a useful middle ground between 10G and 100G infrastructure. These switches suit data centers, enterprise aggregation, high-end NAS systems, virtualization clusters, and other demanding environments where greater bandwidth can reduce bottlenecks.
This guide compares all ten listed products by examining their stated port configurations, uplink options, switching capacity, management features, chassis design, and target applications. It also distinguishes switches with genuine 25G SFP28 connectivity from related multi-gigabit and Gigabit models that appear in the broader comparison.
Each review explains what distinguishes its product, where it fits best, and which trade-offs deserve attention. The top selections reflect the strongest combinations of relevant 25G connectivity, port density, management, and infrastructure value, while current prices and availability can change at any time.
Top 3 Picks for Best 25GbE Switches with SFP28 Ports
QNAP QSW-M7230-2X4F24T-US
Four 25GbE SFP28 ports
Two 100GbE QSFP28 uplinks
Layer 3 Lite management
PFC and ECN support
UBIQUITI UniF Aggregation Switch Pro
Four 25G SFP28 ports
Twenty-eight 10G SFP+ ports
760 Gbps switching capacity
Layer 3 managed switching
Top 10 Best 25GbE Switches with SFP28 Ports in 2026 Compared
The comparison covers both true 25GbE SFP28 platforms and closely related switches with multi-gigabit, 10G SFP+, or Gigabit optical connectivity, making it easier to identify which products directly satisfy a high-speed SFP28 requirement.
ProductsSpecificationsEditor scorePrice
Editor's Choice
QNAP QSW-M7230-2X4F24T-US
Four 25G SFP28 ports
Two 100G QSFP28 ports
Twenty-four 10G ports
Layer 3 Lite managed
Editor's Choice
TRENDnet TEG-S50284
Four 10G SFP+ ports
Twenty-four 2.5G ports
120 Gbps switching capacity
1U rackmount metal chassis
4.8Editor score
Best Premium
Cisco Nexus N9K-C92160YC-X
Forty-eight 25G ports
Six QSFP+ uplinks
Dual AC power supplies
Professionally refurbished
MikroTik CRS520-4XS-16XQ-RM
Four 25G SFP28 ports
Sixteen 100G WSFP28 ports
28 total SFP28 ports
Quad-core 2 GHz CPU
4.6Editor score
UBIQUITI UniF Aggregation Switch Pro
Four 25G SFP28 ports
Twenty-eight 10G ports
760 Gbps switching capacity
Layer 3 managed switching
Dell EMC PowerSwitch N3224P-ON
Four 25G SFP28 ports
Two 100G QSFP28 ports
PoE++ network access
Managed 1U rackmount
TRENDnet TEG-3284WS
Four 10G SFP+ ports
Twenty-four 2.5G ports
Web smart management
Cloud remote management
3.4Editor score
MikroTik CRS518-16XS-2XQ-RM
QSFP28 high-speed uplinks
Cloud router switch
Rackmount network appliance
64 MB system memory
4.5Editor score
Cisco N9K-C93180YC-EX
Forty-eight 25G ports
Six 100G QSFP28 ports
3.6 Tbps switching capacity
ACI and NX-OS support
5.0Editor score
D-Link DGS-1210-28
Twenty-four Gigabit ports
Four Gigabit SFP ports
Layer 2+ managed switching
Fanless rackmount design
4.4Editor score
1. QNAP QSW-M7230-2X4F24T-US – Best Overall 25GbE SFP28 Switch
QNAP QSW-M7230-2X4F24T-US
Four 25G SFP28 ports
Two 100G QSFP28 uplinks
Twenty-four 10G ports
Layer 3 Lite managed
The QNAP QSW-M7230-2X4F24T-US is the most balanced option in this list for organizations that want a meaningful 25GbE upgrade without committing to a large-scale data center fabric. It combines four 25GbE SFP28 ports, two 100GbE QSFP28 ports, and twenty-four 10GbE RJ-45 ports in one top-of-rack-oriented design. No customer rating was supplied, so its recommendation rests on its stated capabilities rather than a review score.
Pros
- Direct 25G and 100G connectivity
- Useful congestion-control features
- Flexible mixed-speed topology
- Clear web-based management
Cons
- No published review rating
- SFP28 count is relatively limited
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Its strongest feature is the breadth of connectivity. The 25G SFP28 ports can serve fast servers, storage arrays, and aggregation links, while the two 100G QSFP28 ports create room for higher-speed backbone connections. Twenty-four 10G copper ports make the switch practical for gradual expansion because devices do not all need dedicated fiber uplinks or 25G network interface cards. Layer 3 Lite management adds static IPv4 and IPv6 routing, VLANs, QoS, and bandwidth controls.
The switch also targets demanding workloads. Priority Flow Control and Explicit Congestion Notification are important for environments using lossless networking or RoCEv2, while the non-blocking design is intended to sustain high traffic volumes. The trade-off is that only four ports provide native 25G connectivity, so buyers with dozens of 25G endpoints may need multiple units or a model with greater port density. The absence of a published rating also means long-term user feedback is limited in the supplied data.
This is the strongest all-around recommendation for AI clustering, enterprise NAS deployments, virtualization, and media-production networks. It is especially attractive when a mixed 10G, 25G, and 100G design is needed, because it avoids forcing every endpoint into a single speed tier. For a buyer prioritizing 25G SFP28 availability, congestion-aware features, practical 10G access ports, and future-oriented uplinks, it offers one of the most coherent configurations available.
A Practical Path to Higher Network Speeds
The four SFP28 ports provide a direct route for 25G fiber links, while the twenty-four 10G RJ-45 ports let existing infrastructure participate. This mixed layout supports gradual upgrades without requiring an immediate wholesale conversion to 25G endpoints.
Management for Growing Enterprise Networks
The web GUI provides static routing, VLAN support, QoS, and bandwidth control. Those features make the switch more useful for segmented enterprise networks than an unmanaged device, particularly when multiple departments or storage systems need distinct traffic policies.
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2. TRENDnet TEG-S50284 – Best for 2.5G and 10G Access
TRENDnet TEG-S50284
Twenty-four 2.5G ports
Four 10G SFP+ ports
120 Gbps switching capacity
1U rackmount chassis
The TRENDnet TEG-S50284 is a well-regarded multi-gigabit access switch, but it is important to distinguish it from a true 25GbE SFP28 model. Its interface consists of twenty-four 2.5GbE RJ-45 ports and four 10G SFP+ ports, with a stated switching capacity of 120Gbps. The supplied 4.8 rating makes it an attractive option for offices, studios, and small infrastructure projects that need more than Gigabit Ethernet but do not require native 25G links.
Pros
- High 4.8 customer rating
- Useful 2.5G access density
- Four 10G optical uplinks
- Smart fan control
Cons
- No native 25G SFP28 ports
- Management features appear limited
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The twenty-four 2.5G ports are the switch's main strength. They can support Wi-Fi 6 or Wi-Fi 7 access points, modern laptops, workstations, cameras, and other devices that benefit from faster copper connections over suitable Cat5e or better cabling. Four 10G SFP+ uplinks provide fiber links to a core switch, storage platform, or router. The stated 120Gbps switching capacity leaves substantial aggregate headroom for a high-density access layer.
Physically, the switch uses a 1U 19-inch rackmount metal housing, and the supplied information says a mounting kit is included. Smart fans adjust to cooling requirements, while LED indicators help with basic port and link visibility. IEEE 802.1Q VLAN passthrough is supported. These details make the model appropriate for centralized deployment rather than a small office closet, although the provided description does not highlight extensive Layer 3 functionality or congestion-control support.
The main drawback is unavoidable: it does not provide the SFP28 or 25GbE connectivity sought by someone shopping specifically for this category. It is still a sensible companion choice when the real goal is affordable multi-gigabit access with 10G uplinks. Buyers should choose it only if 2.5G endpoint density matters more than native 25G server or storage links.
Useful Multi-Gigabit Access for Modern Devices
Twenty-four 2.5G copper ports can remove the bottleneck created by ordinary Gigabit connections. The model is well suited to access-point aggregation and other deployments where clients support multi-gigabit rates over existing high-quality copper cabling.
Fiber Uplinks Without Complex SFP28 Optics
The four SFP+ uplinks add 10G aggregation capacity to a relatively compact rackmount platform. They are a sensible choice for linking access switches to a 10G core, although they cannot replace genuine 25G SFP28 links.
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3. Cisco Nexus N9K-C92160YC-X – High-Density Refurbished 25G Option
Cisco Nexus N9K-C92160YC-X
Forty-eight 25G ports
Six QSFP+ or QSFP28 ports
Dual AC power configuration
Professionally refurbished
The renewed Cisco Nexus N9K-C92160YC-X stands out for sheer access-port density. Its title identifies 48 ports of 25GbE connectivity and six QSFP+/QSFP28 positions, making it the most direct high-density option for 25G endpoint environments. It is particularly compelling for organizations familiar with the Nexus platform that need substantial port count and multiple uplink choices.
Pros
- Very high 25G port density
- Multiple high-speed uplink positions
- Dual AC power configuration
- Professionally inspected listing
Cons
- Renewed condition requires scrutiny
- Limited supplied feature detail
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Dual AC power is a notable infrastructure detail. The inclusion of two power supplies can provide redundancy if the installed units are operational and independently supported by the system configuration. The six uplink positions give network designers room to connect multiple layers of switching, distribute traffic, or create higher-speed backbone relationships. Because this is a renewed listing, buyers should verify the exact module population, accessories, warranty, and physical condition before deployment.
The supplied product information is brief and focuses on professional inspection, testing, and cleaning by Amazon-qualified vendors. It also notes that accessories may not be original but should remain compatible and functional, and that the product may arrive in a generic box. That disclosure is helpful, but it also means the listing does not provide a detailed account of software configuration, fan condition, module compatibility, or included licenses.
The 48-port design makes this switch relevant to data center migrations, storage fabrics, and virtualization environments where each rack or storage enclosure may require multiple 25G links. It is not the first recommendation for a smaller organization because it offers little room for gradual growth beyond a very large installation and carries the usual uncertainties associated with refurbished infrastructure. For buyers who value density and Cisco's ecosystem, however, it is a compelling high-capacity alternative.
Reducing Adapter Requirements at High Density
Forty-eight dedicated 25G access positions can simplify the physical and cabling layout of a large deployment. That density is valuable when replacing multiple lower-speed switches or connecting numerous storage and compute nodes.
Planning for a Renewed Deployment
Professional refurbishment can provide useful enterprise hardware, but a buyer should request confirmation of tested ports, installed transceivers, power supplies, fans, and warranty. The listed hardware should also be checked against the intended software and optical ecosystem.
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4. MikroTik CRS520-4XS-16XQ-RM – Powerful Mixed-Speed Enterprise Switch
MikroTik CRS520-4XS-16XQ-RM
Four 25G SFP28 ports
Sixteen 100G WSFP28 ports
28 total SFP28 positions
Quad-core 2 GHz CPU
The MikroTik CRS520-4XS-16XQ-RM is a powerful enterprise switch built around high-speed optical networking. The supplied title identifies two 2.5GbE positions, four 25GbE SFP28 ports, and sixteen 100GbE WSFP28 positions, while the feature summary refers to 28 SFP28 ports, 100GbE QSFP28 connectivity, and 10GbE support. This combination makes it especially compelling for backbone-heavy installations.
Pros
- Substantial processing capacity
- Four native 25G ports
- Sixteen 100G breakout positions
- 4.6 customer rating
Cons
- Dense design needs careful planning
- Management demands technical familiarity
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Processing power is a major differentiator. A quad-core ARM CPU running at 2GHz and 4GB of DDR4 RAM provide more headroom for advanced routing, bridging, firewall, queueing, and traffic-management workloads than a basic access switch. The sixteen high-speed WSFP28 positions are particularly interesting for organizations that want to use 100G infrastructure while breaking connections down into lower-speed links where supported.
The product carries a 4.6 rating in the supplied data, which is favorable for a technically demanding platform. However, MikroTik devices often reward operators who understand routing, interfaces, queues, and configuration syntax. The high port density can also make cable management, labeling, thermal planning, and optics selection more involved than on a straightforward 28-port access switch.
This model is best for experienced network administrators who want more control, processing headroom, and high-speed uplinks than a conventional small-business switch offers. It suits service providers, advanced labs, data centers, and high-capacity aggregation projects. A buyer seeking 25G with minimal configuration effort may find it less approachable, but those comfortable with the platform gain a capable and flexible optical platform.
Processing Headroom for Advanced Traffic Work
The quad-core 2GHz CPU and 4GB of memory distinguish this model from simple plug-and-play access switches. That headroom is valuable where the unit must perform more than basic frame forwarding, although feature support depends on the selected RouterOS configuration.
A Bridge Between 25G and 100G
Four dedicated 25G SFP28 ports provide direct connectivity for servers and storage, while sixteen WSFP28 positions support much faster uplink fabrics. That makes the switch useful for staged migration between 25G access and 100G aggregation.
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5. UBIQUITI UniF Aggregation Switch Pro – Best Value Managed 25G Switch
UBIQUITI UniF Aggregation Switch Pro
Four 25G SFP28 ports
Twenty-eight 10G SFP+ ports
760 Gbps switching capacity
1.3-inch local touchscreen
The UBIQUITI UniF Aggregation Switch Pro delivers a practical combination of twenty-eight 10G SFP+ ports and four 25G SFP28 ports in a fully managed Layer 3 platform. Its stated 760Gbps switching capacity, rackmount design, and UniFi application make it a strong candidate for small enterprises, studios, distributed offices, and managed service providers that need high-speed aggregation.
Pros
- Large 10G optical port count
- Four native 25G ports
- Unified web and mobile management
- Layer 3 aggregation features
Cons
- Only four 25G ports
- No published customer rating
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Its 10G port density is the model defining feature. Twenty-eight SFP+ positions allow many optical links to connect without the cable sprawl associated with larger port counts. The four SFP28 ports then provide targeted 25G links to modern servers, storage, or aggregation peers. A 1.3-inch LCM color touchscreen provides local status and system insight, while remote configuration through the UniFi Network web application and mobile app simplifies ongoing management.
Layer 3 switching, 380Gbps total non-blocking throughput, and a forwarding rate of 565.44 Mpps position the unit as more than a basic access switch. It also supports enhanced power-supply-failure protection when used with the separately sold UniFi SmartPower Redundant Power System. Buyers must account for that extra accessory if uninterrupted operation is important.
There is an important port-behavior note: the four SFP28 ports do not support mixed speed when operating in 25Gbps mode. Once one is configured at 25Gbps, the others are limited to 25Gbps as well, while mixed-speed operation is available when all four run at 1Gbps or 10Gbps. With no published rating in the supplied information, the recommendation depends on feature fit. For buyers wanting simple management and a large optical access layer, it remains the most balanced value-oriented selection.
A Large Optical Access Layer
Twenty-eight 10G SFP+ ports create substantial flexibility for fiber-heavy networks. Users can aggregate access switches, connect storage systems, or build redundant paths without relying on a small handful of copper ports.
Understanding the SFP28 Speed Behavior
The SFP28 group operates at a shared 25Gbps mode when any member is set to 25Gbps. Network diagrams and interface profiles should reflect that restriction so the four ports are configured in a way that preserves the intended topology.
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6. Dell EMC PowerSwitch N3224P-ON – Integrated 25G and PoE Platform
Dell EMC PowerSwitch N3224P-ON
Four 25G SFP28 ports
Two 100G QSFP28 ports
PoE++ access connectivity
Managed modular 1U design
The Dell EMC PowerSwitch N3224P-ON combines several networking functions in a single managed rackmount platform. The supplied information identifies PoE++ connectivity, four 25GbE SFP28 ports, and two 100GbE QSFP28 ports. It also states Layer 3 support, a modular design, a 1U form factor, and a total listed power consumption of 944 watts.
Pros
- Combines access and high-speed uplinks
- Includes PoE++ capability
- Two 100G uplink positions
- Layer 3 support
Cons
- Listed power draw is high
- Sparse supplied specifications
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For organizations that need both power over Ethernet and high-speed optical links, this combination can simplify topology design. PoE++ may support demanding access devices such as cameras, wireless access points, or other powered endpoints, depending on the exact installed port configuration. The 25G SFP28 ports support high-bandwidth server, storage, or aggregation connections, while two 100G QSFP28 positions provide room for future-oriented uplinks.
The most notable consideration is power consumption. A listed 944 watts is substantial, and actual behavior can depend on configuration and operating conditions. Operators should evaluate their power budget, cooling provisions, and rack infrastructure carefully. The supplied listing also provides limited detail about port counts, airflow, management software, and supported optical modules, so those areas require verification before installation.
This switch is most suitable for enterprise access networks that already operate Dell infrastructure or need PoE and 25G in one chassis. It is less attractive when power density, sparse documentation, or uncertain module compatibility is a concern. For an operator who values a unified access-and-uplink design and can verify the exact configuration, it remains a strong specialist option.
Powering and Connecting Through One Platform
Combining PoE++ access with 25G SFP28 and 100G QSFP28 positions can reduce the number of separate devices in mixed wired and wireless environments. Exact PoE budgets and port assignments should be confirmed with the manufacturer or reseller.
Planning Around Power and Cooling
The listed 944-watt consumption makes thermal and electrical planning essential. A rack with adequate circuit capacity, airflow, and appropriate operating conditions will help protect the long-term reliability of the switch and its connected PoE devices.
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7. TRENDnet TEG-3284WS – Best for Web-Managed Multi-Gig Access
TRENDnet TEG-3284WS
Twenty-four 2.5G ports
Four 10G SFP+ ports
Web-based smart management
Cloud remote management
The TRENDnet TEG-3284WS is a web-smart multi-gigabit switch for administrators who want more control than an unmanaged model without adopting a complex data center operating system. Its stated interface combines twenty-four 2.5GbE RJ-45 ports and four 10G SFP+ ports. It supports remote cloud management, while its supplied 3.4 rating indicates a more mixed user experience than the brand's other model in this roundup.
Pros
- Accessible web management interface
- Cloud management option
- Useful VLAN and QoS controls
- PoE-style deployment economy
Cons
- No native 25G SFP28 ports
- Modest supplied user rating
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Management features include access control lists, VLAN support, IGMP snooping, QoS, RMON, SNMP traps, and syslog. These tools cover common needs for access segmentation, traffic prioritization, monitoring, and event reporting. The web GUI is intended to reduce configuration complexity for small and medium networks, and TRENDnet's cloud service can help administrators manage and diagnose the switch remotely. The listing notes that an additional fee may apply for that service.
The twenty-four 2.5G copper ports are useful for access-point, workstation, and endpoint aggregation, while the four SFP+ ports provide high-speed optical uplinks. The distinction from a true 25G switch is fundamental, however. It does not have SFP28 ports or 25GbE fiber access, so it cannot meet a specification that explicitly requires native 25G SFP28 connectivity.
The modest rating means buyers should examine current customer feedback carefully, especially around the management interface and cloud-service experience. Even so, the switch can be a good fit for distributed offices and branch deployments where remote management and multi-gigabit access matter more than data center-scale speed. It is better viewed as an adjacent alternative than a serious substitute for a 25G SFP28 platform.
Remote Control for Distributed Teams
Cloud-based configuration and diagnostics can simplify maintenance at branch offices or other sites that are not continuously staffed. Buyers should review service terms and any associated fee before relying on the cloud management path.
Useful Traffic Policies for Access Networks
VLANs, IGMP snooping, QoS, ACLs, RMON, SNMP traps, and syslog provide a practical monitoring and segmentation toolkit. These features can improve control in networks with IP cameras, voice traffic, or mixed bandwidth demands.
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8. MikroTik CRS518-16XS-2XQ-RM – Flexible Cloud-Ready Switching Platform
MikroTik CRS518-16XS-2XQ-RM
QSFP28 high-speed connectivity
Cloud router switch functions
650 MHz processing platform
64 MB system memory
The MikroTik CRS518-16XS-2XQ-RM is a rackmount cloud router switch with a 4.5 supplied rating. Its title identifies QSFP28 capability, while the product data also references a 650MHz processor and 64MB of memory. It appears designed for administrators who want routing and switching functions in one MikroTik platform, although the limited source data does not fully define its individual port speeds.
Pros
- Recognizable router-switch platform
- High-speed QSFP28 capability
- 4.5 customer rating
- Rackmount appliance format
Cons
- Sparse supplied specifications
- Native 25G port count unclear
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QSFP28 connectivity is the relevant clue when considering this model for a 25G-oriented network. High-speed QSFP28 hardware can support 25G links when the installed modules and configuration permit it, but the listing does not explicitly state how many native 25G SFP28 connections are available. That distinction matters because a high-speed uplink position may be configured for 100G, 40G, or another supported mode rather than a dedicated 25G port.
The 4.5 rating gives the product a favorable user signal, but the sparse listing leaves many deployment questions unanswered. Buyers should verify physical port counts, breakout behavior, supported transceivers, PoE options, power requirements, and licensed software features. MikroTik's ecosystem is well known for flexible routing and network services, yet implementation quality depends heavily on the operator's configuration experience.
This model is most appropriate for a technically capable operator who values the combination of a cloud router switch and QSFP28 backplane capability. It may be useful in an advanced lab, service-provider edge, or compact routed network, but it should not be selected as a direct 25G SFP28 recommendation without confirming the exact port map. Its appeal lies in flexibility, while its main buying risk is ambiguity in the supplied listing.
Verifying the Actual Port Map
A QSFP28 designation alone does not establish how many dedicated 25G links a model offers. Prospective buyers should request the full port matrix, supported media types, and breakout configurations before comparing it with switches that explicitly list SFP28 access ports.
Routing and Switching in One Platform
Combining a cloud router switch with optical high-speed connectivity can simplify certain branch and edge designs. It is particularly attractive to operators who already use MikroTik and want to consolidate network functions without relying on separate appliances.
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9. Cisco N9K-C93180YC-EX – Best Premium Data Center Switch
Cisco N9K-C93180YC-EX
Forty-eight 25G SFP+ ports
Six 100G QSFP28 uplinks
3.6 Tbps switching capacity
Less than one-microsecond latency
The renewed Cisco N9K-C93180YC-EX is the premium data center selection in this guide. Its listed configuration combines 48 fixed 10/25Gbps SFP+ ports with six fixed 100Gbps QSFP28 ports, and the supplied 5.0 rating is the highest available among the products. It is built for organizations requiring substantial 25G access density and very high-speed uplinks.
Pros
- Exceptional 5.0 supplied rating
- Very high 25G port density
- Six 100G uplink ports
- Advanced data center features
Cons
- Renewed hardware requires verification
- Enterprise feature complexity
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The switch is stated to have a 3.6 Tbps switching capacity, a 2.67 forwarding rate as described in the supplied information, and latency below one microsecond. Cut-through switching architecture supports high-performance computing and big-data workloads. Six 100G QSFP28 positions allow major backbone or distribution connections, while the 48 access ports serve storage, compute, and virtualization nodes at 10G or 25G depending on configuration.
Network virtualization features are a major strength. VXLAN support allows scalable overlay networks, and Cisco ACI provides automation and management for physical and virtual infrastructure. The switch also uses Cisco NX-OS, supports hot-swappable power supplies and fans, and includes redundant power-supply and modular-design considerations intended to maintain availability. Back-to-front airflow should be matched carefully to the rack's hot-aisle and cold-aisle arrangement.
This is the right choice for mature data centers, high-performance computing environments, and enterprises already invested in Cisco's ecosystem. As a renewed product, it requires due diligence regarding tested hardware, installed modules, software status, warranty, and support. The complexity also makes it less suitable for small offices. For a large organization prioritizing 25G density, 100G uplinks, and advanced network virtualization, it is an exceptionally capable option.
Purpose-Built for High-Performance Fabrics
The combination of 48 access ports, six 100G uplinks, and high switching capacity reduces the need for multiple chassis in large compute or storage domains. Its low-latency architecture is aimed at workloads where rapid forwarding matters.
Advanced Virtualization and Automation
VXLAN and ACI support extend beyond basic packet forwarding into scalable network overlays and policy-driven automation. These capabilities suit enterprises operating distributed virtualized infrastructure and formal data center operating practices.
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10. D-Link DGS-1210-28 – Best Budget Gigabit Access Switch
D-Link DGS-1210-28
Twenty-four Gigabit ports
Four Gigabit SFP ports
Layer 2+ feature set
Fanless 1U design
The D-Link DGS-1210-28 is included as a practical lower-tier access switch, not as a literal 25GbE SFP28 solution. It provides twenty-four Gigabit Ethernet ports and four Gigabit optical SFP ports in a Layer 2+ managed design. Its 4.4 rating and broad feature set make it useful for offices, surveillance networks, branch offices, and other access-oriented installations.
Pros
- Useful smart management features
- Quiet fanless construction
- Optical uplink flexibility
- 4.4 customer rating
Cons
- No native 25G connectivity
- Only Gigabit SFP uplinks
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Smart-managed functions include VLAN support, QoS, bandwidth control, port mirroring, link aggregation, spanning tree, IGMP snooping, and static routing. Security features include ACLs, 802.1X/RADIUS, and ARP spoofing prevention. Surveillance mode with ONVIF support automatically detects compatible cameras and optimizes video traffic, a particularly useful feature for security installations with many IP cameras.
The fanless chassis is quiet and energy efficient, with support for IEEE 802.3az. A rackmount form factor helps organize centralized deployments, while the web interface provides an accessible management path. The four SFP ports allow fiber uplinks, but they operate at Gigabit speeds and cannot meet a genuine 25G requirement.
The D-Link makes the most sense when a buyer needs reliable access-layer features without the complexity or footprint of a high-speed aggregation platform. It is also a sound way to add inexpensive managed access nodes alongside 25G core switches. Its role in this guide is therefore complementary: it covers the access layer while genuine SFP28 products handle servers, storage, and high-bandwidth links. For that purpose, the D-Link offers strong value and a useful feature set.
A Quiet and Efficient Access Layer
The fanless design minimizes mechanical noise in offices and branch spaces, while 802.3az support helps reduce energy use. These characteristics make the switch well suited to access locations where operational simplicity matters.
Specialized Support for IP Surveillance
Surveillance mode detects ONVIF-compatible devices and optimizes video traffic. Combined with VLANs, IGMP snooping, and QoS, it provides a useful foundation for camera-heavy networks, although the uplink capacity remains Gigabit rather than 25G.
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Buying Guide – How to Choose the Best 25GbE Switches with SFP28 Ports
The right switch depends on the endpoints you need to connect, the uplink speed of the rest of your network, the management environment, and whether lossless or highly available networking is required. The most important distinction is whether the product provides genuine 25G SFP28 ports rather than merely 2.5G access and 10G uplinks.
Confirm Native 25GbE SFP28 Support
Look for explicit SFP28 port counts and confirm whether each port can operate at 25Gbps. A model with 2.5G RJ-45 ports and 10G SFP+ uplinks may improve edge performance, but it does not provide the direct 25G server or storage connectivity required by a SFP28-specific deployment. Product titles, port tables, and datasheets should be checked carefully because high-speed uplink interfaces do not always imply equal numbers of 25G access ports.
Match Uplinks to the Core Network
A fast access switch can still become a bottleneck if its uplinks cannot carry aggregate traffic. Models with 40G, 100G, or breakout-capable QSFP28 positions offer more growth room than a switch limited to 10G uplinks. Consider how many access ports may operate simultaneously, how storage traffic is distributed, and whether the core uses compatible modules. For smaller deployments, four 25G SFP28 ports may be enough, while dense data center installations often need multiple 100G uplinks.
Evaluate Switching Capacity
Switching capacity should comfortably exceed the sum of active port speeds in realistic scenarios. Headroom allows full-duplex traffic, failover, oversubscription, and future expansion without pushing the switch to its limits. Capacity figures also reveal whether a model is intended for a narrow aggregation role or a large-scale data center fabric. Compare the stated capacity with the physical port layout rather than treating the number as an isolated marketing specification.
Choose the Right Management Model
Managed Layer 3 switches offer static or dynamic routing, VLAN segmentation, QoS, and visibility, while web-smart switches provide a simpler subset of controls. A cloud-oriented interface may suit distributed teams, but organizations should consider whether cloud dependence, extra fees, or vendor-specific control is acceptable. Data center platforms with APIs, telemetry, automation, and formal configuration systems are better for larger operations.
Assess Lossless and Traffic-Control Features
AI clusters, high-performance storage, and RoCEv2 networks may need Priority Flow Control, Explicit Congestion Notification, queue management, and suitable multicast behavior. The QNAP is specifically described with PFC and ECN, making it notable in this area, but every design should be tested against the protocols and traffic patterns it will carry. A fast forwarding plane cannot compensate for an unsuitable congestion-control configuration.
Factor in Redundancy and Airflow
Enterprises should determine whether hot-swappable or redundant power supplies and fans are needed for the intended uptime target. The Cisco Nexus model lists hot-swappable components and redundant power considerations, while the Dell model combines high-speed ports with PoE++ and carries a substantial listed power draw. Airflow direction, rack position, power budget, and cooling capacity should be matched to the installation environment, especially for renewed equipment.
Check Optics and Module Compatibility
SFP28 and QSFP28 are form-factor families, not a guarantee that every optical or copper module will function as intended. Verify supported speeds, media, transmission distance, connector type, thermal requirements, and vendor compatibility. Some systems enforce shared speed behavior across a port group, as described for the UBIQUITI model. Software support and transceiver recognition should be confirmed before purchasing modules separately.
Account for Ownership and Support
Managed switches create an ongoing operational relationship, so support access, documentation, warranty coverage, and replacement policy matter. Renewed products can provide capable enterprise hardware at a lower acquisition cost, but buyers should verify the condition of every port, power supply, fan, and installed module. For business-critical deployments, vendor support and predictable software compatibility should be weighed alongside hardware specifications.
How to Use and Care for Your 25GbE Switches with SFP28 Ports
Begin with a complete port and cabling plan. Identify which devices require 25G SFP28 connections, which can use 10G, and where each high-speed uplink terminates. Confirm optical module type, cable length, interface mode, and the switch's shared-port behavior before installing equipment. Label every port and connection so later troubleshooting does not depend on memory or visual inspection.
Configure the switch before moving critical traffic into service. Apply the intended VLAN structure, static or dynamic routing plan, QoS policies, security controls, and monitoring settings. Where PFC or ECN is used, coordinate the settings with every connected device so one end of a lossless flow does not pause traffic unpredictably. Save a known-good configuration and test failover, routing, storage access, and monitoring before declaring the deployment complete.
Ongoing care includes keeping the chassis ventilated, checking fan and power status, replacing failed components promptly, and reviewing logs for repeated errors or congestion. Firmware and software updates should be applied through the vendor's supported process with appropriate rollback planning. For refurbished systems, periodic port tests, optical link checks, and temperature monitoring can reveal degradation before it becomes a service interruption.
Frequently Asked Questions
What is the difference between a 25GbE switch and a 10G SFP+ switch?
A 25GbE switch provides interfaces capable of carrying 25Gbps per port, normally using SFP28 media in the models featured here. A 10G SFP+ switch is limited to 10Gbps on those interfaces. A switch with 2.5G access ports and 10G uplinks can still improve network performance, but it does not offer native 25G server or storage connections.
Are all SFP28 ports compatible with 10G connections?
Not automatically. Some SFP28-capable switches can also operate their SFP28 ports at lower speeds, while others restrict the group to 25Gbps once one port is configured that way. The UBIQUITI model specifically notes shared 25Gbps behavior. Check the product's interface matrix and shared configuration rules before assuming backward compatibility.
Do I need 100G uplinks for a 25GbE access switch?
It depends on traffic concentration and future growth. A few 25G uplinks may adequately serve a small cluster, but a larger access layer can saturate them quickly. Multiple 100G uplinks provide greater aggregation capacity, resilience, and migration room, although they require compatible optics, cables, and upstream switches.
Can I use a 25GbE switch with existing 10GbE equipment?
Usually, yes, when both devices support a common speed and the appropriate module or cable. Many managed switches can negotiate lower rates such as 1G or 10G on SFP28 interfaces. Verify the switch's supported media, port groups, auto-negotiation behavior, and transceiver requirements before connecting mixed-speed infrastructure.
What features matter for AI clusters and lossless networking?
Priority Flow Control, Explicit Congestion Notification, queue behavior, multicast handling, and consistent end-to-end configuration are especially important. The QNAP explicitly includes PFC and ECN, making it a relevant candidate to investigate for RoCEv2-oriented deployments. Even with suitable hardware, the storage, servers, NICs, and orchestration configuration must all support the intended traffic pattern.
Should I buy a renewed enterprise switch?
Renewed hardware can be attractive when its condition and support terms are verified and the deployment can tolerate the associated risk. Check that all ports, fans, power supplies, transceivers, and management interfaces were tested. Confirm the warranty, installed module list, software status, and return policy, especially for business-critical workloads.
Do I need managed switching for a home lab?
A simple unmanaged switch may be sufficient when the lab only needs basic connectivity and has little need for VLANs, routing, or visibility. Managed features become valuable as soon as separate virtual networks, traffic prioritization, monitoring, or redundant paths are required. Advanced data center platforms may be more complex than a home lab needs, so a web-smart or simpler managed model can be more appropriate.
How do I choose between high port density and faster uplinks?
Start with the number and speed of endpoints that must be connected. Choose greater port density for storage enclosures, servers, and access layers with many devices. Prioritize 100G or flexible high-speed uplinks when many lower-speed ports feed a small number of core links. The best balance depends on expected simultaneous traffic, not merely the total number of physical ports.
Final Thoughts on Choosing the Best 25GbE Switches with SFP28 Ports
The QNAP QSW-M7230-2X4F24T-US is the strongest overall recommendation because it combines four native 25G SFP28 ports, two 100G QSFP28 uplinks, twenty-four 10G access ports, and enterprise-oriented management in one unit. The renewed Cisco N9K-C93180YC-EX is the premium option for large data centers, while the UBIQUITI UniFi Aggregation Switch Pro offers the best value-oriented managed design.
Prioritize verified 25G port counts, usable uplink capacity, and the management complexity your team can operate well. A model with only 2.5G access and 10G optical uplinks may still be a good network component, but it should not be mistaken for a native 25GbE SFP28 solution. In high-performance environments, also examine lossless traffic controls, optics, redundancy, airflow, and ongoing support.
Current prices and availability can change, so compare the complete port map, module requirements, warranty, and support terms before purchasing. The most capable switch is not automatically the most suitable one; the best choice is the model that matches your endpoints, aggregation design, operating skill set, and growth plans.