Network Cards under $600

4 network cards under $600 from Intel and Dell. Prices run $536 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 21:11 PST - Details

LpxlqklypSpec score 8.3

40 Speed, 2 Ports, PCIe, QSFP

+40 Gbps speed per port

+Two QSFP ports on one card

+PCIe 3.0 x8 bus connection

$535.55

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

Intel

PCIe, Intel

+PCIe bus for installation in standard desktop and server slots

+Intel chipset for a recognized network controller family

+x16 lane configuration for high-bandwidth PCIe connection

$590.92

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

Wxorkyvhen

4 Ports, PCIe

+Provides 4 ports for connecting drives

+Uses PCIe 3.0 for a modern expansion slot

+88SE9230 chip acts as the PCIe controller

$545.78

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

Compare specs

Controller	Spec score	Price
	n/a	$599.99 as of 11/04/2026 21:11 PST - Details
Intel	8.3	$535.55 as of 11/04/2026 09:09 PST - Details
Intel	n/a	$590.92 as of 11/04/2026 06:05 PST - Details
	n/a	$545.78 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.