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SFP28 Network Cards

All Network Cards

8 SFP28 network cards from Vogzone, Sonnet, Euqvos and more. Most cost $79 to $109, and half cost less than $85.

FebSmartSpec score 8.5

25 Speed, 2 Ports, PCIe, SFP28

+Two 25 Gbps SFP28 optical ports
+PCIe x8 interface for high bandwidth
+SR-IOV support for virtualization
−Requires a PCIe x8 slot
$78.99
as of 11/04/2026 03:08 PST - Details
LinksTekSpec score 8.6

25 Speed, PCIe, SFP28, Mellanox

+Dual 25 Gbps SFP28 fiber ports
+PCIe x8 interface for high-bandwidth server use
+SR-IOV support for virtualization
−Requires SFP28 transceivers or fiber cabling
No price recorded yet.
VogzoneSpec score 8.3

25 Speed, 1 Ports, M.2, SFP28

+25 speed: only 1 of 22 here have a higher speed
+SR-IOV: only 11 of 24 here have one
−1 ports: 15 of the 16 here have more ports
$84.99
as of 11/04/2026 03:07 PST - Details
LemspumSpec score 7.6

25 Speed, 2 Ports, PCIe, SFP28

+25 Gbps speed for demanding network workloads
+Dual SFP28 ports for two high-speed connections
+Mellanox ConnectX-4 Lx chipset
−Requires a PCIe slot in the host system
$65.99
as of 11/04/2026 03:06 PST - Details
MellanoxSpec score 7.6

25 Speed, 2 Ports, PCIe, SFP28

+Dual SFP28 ports for two 25 Gbps connections
+PCIe 3.0 x8 interface for high-bandwidth slots
+Mellanox chip for 25 Gbps Ethernet connections
−Tall bracket may not fit low-profile cases
$109.00
as of 11/04/2026 03:06 PST - Details
LR-LINKSpec score 8.5

25 Speed, 2 Ports, PCIe, SFP28

+25 Gbps speed for high-bandwidth networking
+Two SFP28 ports for fiber or copper links
+PCIe 3.0 x8 interface for server slots
$78.90
as of 11/04/2026 03:07 PST - Details
EuqvosSpec score 8.5

25 Speed, 2 Ports, PCIe, SFP28

+Delivers 25Gb Ethernet speeds
+Two SFP28 ports for dual connections
+Uses a PCIe 3.0 x8 interface
$89.99
as of 11/04/2026 03:07 PST - Details
OdlnmoioxSpec score 7.6

25 Speed, 2 Ports, PCIe, SFP28

+25 Gbps speed for high-bandwidth networking
+Two SFP28 ports for fiber or copper links
+PCIe 4.0 x8 interface for newer servers
$650.64
as of 11/04/2026 03:07 PST - Details

Compare specs

network cardSpeedPortsInterfacePort typeControllerSpec scorePrice
252PCIeSFP28Mellanox8.5$78.99
as of 11/04/2026 03:08 PST - Details
25PCIeSFP28Mellanox8.6No current price
251M.2SFP28Mellanox8.3$84.99
as of 11/04/2026 03:07 PST - Details
252PCIeSFP28Mellanox7.6$65.99
as of 11/04/2026 03:06 PST - Details
252PCIeSFP28Mellanox7.6$109.00
as of 11/04/2026 03:06 PST - Details
252PCIeSFP28Mellanox8.5$78.90
as of 11/04/2026 03:07 PST - Details
252PCIeSFP28Mellanox8.5$89.99
as of 11/04/2026 03:07 PST - Details
252PCIeSFP28Mellanox7.6$650.64
as of 11/04/2026 03:07 PST - Details

Before you buy

Spec scores, pros and cons, and prices are explained in the How it works section of the About page.