Network Cards with Realtek Controllers

All Network Cards

5 network cards with Realtek controllers from StarTech.com, BrosTrend, Wavlink and more. Prices run $13 to $49.

OLurkthu

10 Speed, M.2, Realtek

+10 Gbps speed for high-bandwidth wired networking

+Uses M.2 slot, saving a PCIe slot

+Realtek chip for wired Ethernet connectivity

−Requires an M.2 slot on the motherboard

$49.51

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

OLurkthu

2.5 Speed, M.2, Realtek

+2.5 Gbps speed for faster wired networking than gigabit

+Uses M.2 A+E key slot, saving a PCIe slot

+Realtek RTL8125B chip for wired connectivity

−Requires an M.2 A+E key slot on the motherboard

$13.30

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

OLurkthu

2.5 Speed, M.2, RJ45, Realtek

+Supports 2.5G, 1G and 100M wired speeds

+RJ45 port for standard Ethernet cables

+Realtek RTL8125BG chip for wired connectivity

−Requires an M.2 A+E key slot on the motherboard

$14.08

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

Yubjiang

2.5 Speed, M.2, RJ45, Realtek

+Delivers 2.5 gigabit speed over an RJ45 port

+Fits the M.2 A+E Key slot for compact systems

+Uses a Realtek RTL8125B chip

$19.95

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

Generic

2.5 Speed, M.2, Realtek

+Supports 2.5G Ethernet connections

+Installs in an M.2 slot for a compact build

+Uses a Realtek RTL8125B chip

No price recorded yet.

Compare specs

Speed	Interface	Port type	Controller	Spec score	Price
10	M.2		Realtek	n/a	$49.51 as of 11/04/2026 03:08 PST - Details
2.5	M.2		Realtek	n/a	$13.30 as of 11/04/2026 03:08 PST - Details
2.5	M.2	RJ45	Realtek	n/a	$14.08 as of 11/04/2026 03:07 PST - Details
2.5	M.2	RJ45	Realtek	n/a	$19.95 as of 11/04/2026 03:07 PST - Details
2.5	M.2		Realtek	n/a	No current price

Before you buy

Network Card Speeds: 1GbE vs 2.5GbE vs 10GbE

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

Network Cards with Realtek Controllers

Compare specs

Before you buy

Other Controller options

Popular filters

Related product types