Network Cards under $600

3 network cards under $600 from Intel and Dell. Prices run $539 to $599.

Sonnet

25 Speed, PCIe, SFP28

+Two 25GbE optical ports on one card

+Includes two 25GBASE-SR optical transceivers

+Low-profile form factor fits small cases

−Uses short-range optical transceivers only

$599.99

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

DellSpec score 8.0

25 Speed, 2 Ports, SFP28

+Two ports for dual network connections

+25 Gbps speed for high-throughput networking

+SFP28 ports support fiber and direct-attach links

$544.00

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

Generic

25 Speed, Mellanox

+Mellanox NIC chip

+25 Gb speed for high-throughput links

+Supports 10 and 25 Gigabit Ethernet

$538.64

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

Compare specs

Controller	Spec score	Price
	n/a	$599.99 as of 11/04/2026 03:08 PST - Details
	8.0	$544.00 as of 11/04/2026 06:05 PST - Details
Mellanox	n/a	$538.64 as of 11/04/2026 06:05 PST - Details

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