Network Cards under $250

4 network cards under $250 from StarTech.com and Synology. Prices run $171 to $223.

StarTech.comSpec score 7.3

10 Speed, 1 Ports, PCIe, RJ45

+10 Gbps speed over RJ45 copper

+Low profile bracket fits small form factor cases

+Jumbo frame support for larger packets

−Only two PCIe lanes limit peak throughput

$172.99-6%List: ~~$183.46~~

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

SynologySpec score 7.3

10 Speed, 1 Ports, M.2, RJ45

+Combines a 10 Gbps RJ45 port with an M.2 slot

+Model E10M20-T1 fits Synology network storage setups

+Provides 10 Gbps speeds over copper Ethernet cabling

$223.99

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

AkpzkyywnSpec score 7.1

1 Speed, 1 Ports, Intel

+Single port for one network connection

+Supports gigabit speed for wired networking

+Built on an Intel chip for network connectivity

$183.33

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

AkpzkyywnSpec score 7.3

10 Speed, 1 Ports, PCIe, RJ45

+10 Gbps speed for fast transfers on high-bandwidth networks

+Single RJ45 port for standard Ethernet cabling

+PCIe x4 interface

−Uses a full x4 PCIe slot

$170.72

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

Compare specs

Speed	Ports	Interface	Port type	Controller	Spec score	Price
10	1	PCIe	RJ45	Marvell (Aquantia)	7.3	$172.99 as of 11/04/2026 03:08 PST - Details
10	1	M.2	RJ45		7.3	$223.99 as of 11/04/2026 03:08 PST - Details
1	1			Intel	7.1	$183.33 as of 11/04/2026 10:07 PST - Details
10	1	PCIe	RJ45	Marvell (Aquantia)	7.3	$170.72 as of 11/04/2026 10:07 PST - Details

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