Network Cards under $250

40 Speed, Mellanox

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MCX353A-FCBT CONNECTX-3 VPI Adapter Card 40g Network Card(Short and Long)

$155.15as of 11/04/2026 09:09 PST - Details

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Pros

+40G network speed for high-bandwidth connections

+Mellanox chipset for ConnectX-3 VPI compatibility

+Available in short and long bracket configurations

Compared with the 37 Network Cards on this page

+40 speed: the highest speed of the 31 here

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25 Speed, PCIe, Mellanox

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MCX4121A-ACAT CX4121 CX4111A ConnextX-4 25GB Ethernet Card | PCI-E 3.0 NIC network adapter(MCX4111A-ACAT)

$249.90as of 11/04/2026 09:09 PST - Details

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Pros

+25 Gb Ethernet speed for fast wired networking

+PCIe 3.0 interface for desktop or server slots

+Mellanox ConnectX-4 chipset for high-speed networking

Compared with the 37 Network Cards on this page

+25 speed: only 2 of 31 here have a higher speed

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8 Ports, PCIe

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PCIE to 8 Port 3.0 Expansion Card Controller PCI-E 1X to SATA3.0 6Gb

$178.14as of 11/04/2026 10:07 PST - Details

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Pros

+Provides eight ports for expanding storage connections

+Uses a PCIe interface for desktop installation

+Supports SATA 3.0 6Gb per port

Compared with the 37 Network Cards on this page

+8 ports: the most ports of the 21 here

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10 Speed, Thunderbolt, RJ45

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StarTech 10GbE USB4 Ethernet Adapter, Thunderbolt 3/4/5, Multi-Gigabit, TAA | External 10Gb Network Card,

$179.99as of 11/04/2026 03:08 PST - Details

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Pros

+10 Gbps external Ethernet speed

+Connects over Thunderbolt 3, 4, and 5

+Multi-gigabit speed support

Compared with the 37 Network Cards on this page

+10 speed: only 5 of 31 here have a higher speed

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10 Speed, SFP+, Intel

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X520-DA1 82599 10G SFP+ Fiber Network Card AOC-STGN-I1S Server | Ethernet Adapter

$178.38as of 11/04/2026 10:07 PST - Details

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Pros

+Delivers 10Gbps speed through an SFP+ port

+Uses an Intel 82599 network chip

+Works with fiber connections through SFP+ ports

Compared with the 37 Network Cards on this page

+10 speed: only 5 of 31 here have a higher speed

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10 Speed, SFP+, Intel

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X520-DA1 82599 10G SFP+ Fiber Network Card AOC-STGN-I1S Server | Ethernet Adapter

$178.38as of 11/04/2026 10:07 PST - Details

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Pros

+Delivers 10Gbps speed through an SFP+ port

+Uses an Intel 82599 network chip

+Works with fiber connections through SFP+ ports

Compared with the 37 Network Cards on this page

+10 speed: only 5 of 31 here have a higher speed

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1 Speed, Intel

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for i210-t4 Four Electrical Port gigabit 210t1 Single Network Card(I210T4)

$217.78as of 11/04/2026 10:07 PST - Details

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Pros

+Built on an Intel network controller chip

+Supports 1 Gbps gigabit network speed

Compared with the 37 Network Cards on this page

−1 speed: 26 of the 31 here have a higher speed

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2 Ports, PCIe, SFP28, Intel

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Euqvos PCIe Ethernet Network Card for Intel E810-XXVDA2 E810 Chipset PCIe 4.0 X8 25Gb Dual Port SFP28 LAN Card Support

$198.99as of 11/04/2026 03:07 PST - Details

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Spec score8.6

Compared with the 37 Network Cards on this pagePros

+SR-IOV: only 2 of 37 here have one

+2 ports: only 4 of 21 here have more ports

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