Network Cards under $400

4 network cards under $400. Prices run $324 to $399.

QNAPSpec score 7.5

25 Speed, 2 Ports, PCIe, Intel

+25 Gbps speed per port for high-bandwidth networks

+Two ports for redundant or parallel connections

+Intel chip with FEC for reliable data transfer

−Requires a PCIe x8 slot

$399.00

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

SynologySpec score 7.5

25 Speed, 2 Ports, PCIe, SFP28

+25 speed: only 3 of 20 here have a higher speed

$344.99

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

Generic

25 Speed, Mellanox

+Mellanox NIC chip

+25 Gb speed for high-throughput links

+ConnectX-4 Lx model supports 10 and 25 Gigabit Ethernet

$323.89

as of 11/04/2026 06:05 PST - Details

VogzoneSpec score 8.6

25 Speed, 4 Ports, PCIe, SFP28

+4 ports: only 1 of 14 here have more ports

+SR-IOV: only 2 of 24 here have one

$334.99

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

Compare specs

Speed	Ports	Spec score	Price
25	2	7.5	$399.00 as of 11/04/2026 03:07 PST - Details
25	2	7.5	$344.99 as of 11/04/2026 03:08 PST - Details
25		n/a	$323.89 as of 11/04/2026 06:05 PST - Details
25	4	8.6	$334.99 as of 11/04/2026 03:08 PST - Details

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