RJ45 Network Cards

All Network Cards

473 RJ45 network cards from StarTech.com, Fentency, UGREEN and more. Most cost $6 to $109, and half cost less than $17.

Top brands: StarTech.com (10)UGREEN (9)Renkforce (8)BrosTrend (6)TP-Link (5)Wisoqu (4)

Cudy

2.5 Speed, USB, RJ45, Realtek

+Supports 2.5 Gbps Ethernet speed

+Uses the Realtek NIC chip

+Adds an RJ45 Ethernet port over USB

$17.99

as of 11/04/2026 21:10 PST - Details

Dell

USB, RJ45

+USB-C connection for laptops with USB-C ports

+RJ45 port for a wired Ethernet cable

+Supports PXE network boot

$23.00

as of 11/04/2026 21:07 PST - Details

Denlane

1 Speed, USB, RJ45

+Includes 4 USB-A 3.0 ports alongside Ethernet

+RJ45 port with 1 Gbps speed

+USB-C connection for laptops without a wired port

$13.99

as of 11/04/2026 10:06 PST - Details

Mosanau

USB, RJ45

+Connects to a wired network through an RJ45 Ethernet port

+Uses a USB bus for connection to a computer

+Name lists 10Gbps transfer speed

$20.49

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

Domary

2.5 Speed, RJ45

+Supports 2.5 Gbps network speed

+RJ45 port for standard Ethernet cables

+Power delivery charging passthrough on the Type-C port

$14.69

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

Domary

2.5 Speed, USB, RJ45

+Supports 2.5 Gbps network speed

+Connects through a USB-C port

+RJ45 port for standard Ethernet cables

$14.09

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

DriverGenius

2.5 Speed, USB, RJ45

+Supports 2.5 Gbps network speed

+Connects through a USB-C port

+RJ45 port for standard Ethernet cables

$28.99

as of 11/04/2026 21:09 PST - Details

ULANSeN

2.5 Speed, PCIe, RJ45, Intel

+Two 2.5GBase-T RJ45 ports

+Intel I225-V and I226-V controllers

+Supports 2500, 1000 and 100Mbps speeds

$45.99

as of 11/04/2026 21:10 PST - Details

Dustewq

USB, RJ45

+USB female connector plugs into a computer's USB port

+RJ45 male connector works with standard LAN cables

+Compatible with ADSL modems, routers and PCs

$5.09

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

Duttek

1 Speed, RJ45

+Gigabit 1000Mbps speed for fast wired network connections

+USB-C connection works with newer laptops that lack a built-in Ethernet port

+RJ45 port accepts standard Ethernet cables

$15.77

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

Eacam

2.5 Speed, USB, RJ45, Realtek

+2.5Gbps speed, faster than standard gigabit Ethernet

+Uses a Realtek RTL8156B chip

+Aluminum alloy shell for a sturdy build

$13.09

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

Eacam

2.5 Speed, USB, RJ45

+2.5Gbps Ethernet speed over a USB C connection

+RJ45 port for standard wired network cables

+Aluminum alloy housing

$17.79

as of 11/04/2026 21:07 PST - Details

Eacam

USB, RJ45

+USB 2.0 connection for older and basic devices

+RJ45 male connector for standard Ethernet cables

+Compact connector design

$5.59

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

Electop

1 Speed, USB, RJ45

+Gigabit 1Gbps wired Ethernet speed

+USB Type-C connector for modern devices

+Designed for Chromecast with Google TV

$14.99

as of 11/04/2026 10:05 PST - Details

Emoshayoga

2.5 Speed, USB, RJ45

+2.5Gbps wired Ethernet speed

+USB-C connector for modern laptops

+RJ45 port for standard network cables

$15.79

as of 11/04/2026 21:10 PST - Details

Generic

USB, RJ45

+Connects through a USB port

+Connects to a standard RJ45 Ethernet port

+Designed for portable use

$18.37

as of 11/04/2026 21:06 PST - Details

Kelvix

1 Speed, RJ45

+Connects through a USB 3.0 port

+Connects to a standard RJ45 Ethernet port

+Includes a 2m cable length

$15.19

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

Generic

0.1 Speed, USB, RJ45

+Connects through a USB-C port

+Connects to a standard RJ45 Ethernet port

+Aluminum alloy body

$7.73

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

Fentency

1 Speed, USB, RJ45

+Supports 1 Gbps Ethernet speeds

+USB-C connection for modern laptops and devices

+Aluminum alloy body

$12.99

as of 11/04/2026 21:10 PST - Details

Fentency

2.5 Speed, USB, RJ45

+Supports 2.5 Gbps Ethernet speeds

+USB-C connection for modern laptops and devices

+RJ45 port connects standard Ethernet cables

$15.99

as of 11/04/2026 21:10 PST - Details

Fentency

1 Speed, USB, RJ45

+Supports 1 Gbps Ethernet speeds

+USB-C connection for modern laptops and devices

+RJ45 port connects standard Ethernet cables

$12.99

as of 11/04/2026 21:10 PST - Details

Fentency

2.5 Speed, USB, RJ45

+Supports 2.5 Gbps Ethernet speeds

+Double port with both USB-A and USB-C plugs

+Plug and play setup

$17.99

as of 11/04/2026 21:10 PST - Details

Fentency

1 Speed, USB, RJ45

+Supports 1 Gbps Ethernet speeds

+Includes an LED light

+RJ45 port connects standard Ethernet cables

$12.99

as of 11/04/2026 21:10 PST - Details

Fentency

2.5 Speed, USB, RJ45

+Supports 2.5Gbps speeds over an RJ45 Ethernet port

+Connects through USB for use without an internal network slot

+Offers both USB-A and USB-C connectors

$19.99

as of 11/04/2026 21:10 PST - Details

Fentency

1 Speed, USB, RJ45

+Connects to a wired network through a USB Type-C connection

+Uses an RJ45 port for standard Ethernet cable

+Supports Ethernet networking through a compact dongle

$11.99

as of 11/04/2026 21:10 PST - Details

F Fenvi

10 Speed, USB, RJ45, Realtek

+Delivers 10Gbps speeds over a USB connection

+Uses a Realtek chipset for the network connection

+Provides an RJ45 Ethernet port for wired networking

$82.99

as of 11/04/2026 21:10 PST - Details

Fesjoy

USB, RJ45

+Connects a wired Ethernet cable through a USB-C port

+Compact adapter design for portable use

+Uses a USB 3.1 interface

$8.09

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

Zunate

1 Ports, Thunderbolt, RJ45

+Connects through Thunderbolt 3 for high speed networking

+RJ45 port accepts standard Ethernet cables

+Adds a wired network port to Thunderbolt 3 devices

$181.25

as of 11/04/2026 21:06 PST - Details

Compare specs

Speed	Interface	Port type	Spec score	Price
2.5	USB	RJ45	n/a	$17.99 as of 11/04/2026 21:10 PST - Details
	USB	RJ45	n/a	$23.00 as of 11/04/2026 21:07 PST - Details
1	USB	RJ45	n/a	$13.99 as of 11/04/2026 10:06 PST - Details
	USB	RJ45	n/a	$20.49 as of 11/04/2026 06:05 PST - Details
2.5		RJ45	n/a	$14.69 as of 11/04/2026 06:06 PST - Details
2.5	USB	RJ45	n/a	$14.09 as of 11/04/2026 11:07 PST - Details
2.5	USB	RJ45	n/a	$28.99 as of 11/04/2026 21:09 PST - Details
2.5	PCIe	RJ45	n/a	$45.99 as of 11/04/2026 21:10 PST - Details
	USB	RJ45	n/a	$5.09 as of 11/04/2026 11:06 PST - Details
1		RJ45	n/a	$15.77 as of 11/04/2026 11:07 PST - Details

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.

RJ45 Network Cards

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