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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)

All filtersFilters (1)×
Port type: RJ45  ×Clear all
BrandFentency11StarTech.com10UGREEN9Renkforce8Jauarta7BrosTrend6Cable Matters6Wavlink6
Show all 40Glaeptio5TP-Link5ULANSeN5Acer4Eacam4F Fenvi4HP4Nicgiga4Sanpyl4Sonnet4Synology4TRENDnet4Uni4Wisoqu410Gtek3Ablewe3Benfei3Bloepum3Cudy3Gugxiom3H!Fiber.com3Homsfou3Intel3Kelvix3Lenovo3QNAP3Sabrent3Stephencho3Yoidesu3Yuehisy3ASUS2Bzizu2
Speed114410792.5740.144520
Ports2351294113351
InterfaceUSB283PCIe111M.212Thunderbolt4PCI2
Port typeRJ45473
ControllerRealtek72Intel53Marvell (Aquantia)17ASIX4Broadcom1
PriceUnder $25264Under $50329Under $75357Under $100369Under $15051Under $20020Under $25014Under $3008
Show all 15Under $4005Under $5003Under $7002Under $9001Under $4,0003$25 & above149$100 & above44
Clear allShow 473 Network Cards
Port type: RJ45  ×473 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
Generic

USB, RJ45

+Pack of 2 adapters for multiple devices or spares
+Converts a USB Type A female port to an RJ45 male plug
+Connects Ethernet to routers and other RJ45 equipment
$5.78
as of 11/04/2026 11:06 PST - Details
Osniyaw

1 Speed, USB, RJ45

+USB-C connection suits modern laptops without Ethernet ports
+Compact aluminum body for portable use
+RJ45 port connects directly to wired networks
$4.99
as of 11/04/2026 11:06 PST - Details
Xidonasuo

1 Speed, USB, RJ45

+Gigabit speed of 1000Mbps for wired connections
+USB-C female port connects to modern laptops and tablets
+Supports both 100Mbps and 1000Mbps network speeds
$12.99
as of 11/04/2026 21:10 PST - Details
Glaeptio

1 Speed, RJ45

+Aluminum alloy body for a sturdy build
+Connects a Type-C port to an RJ45 Ethernet cable
+Gigabit speed of 1000Mbps for wired connections
$7.10
as of 11/04/2026 06:06 PST - Details
Glaeptio

1 Speed, RJ45

+Connects a Type-C port to an RJ45 Ethernet cable
+Gigabit speed of 1000Mbps for wired connections
+Plug and play setup for Switch OLED
$10.76
as of 11/04/2026 06:05 PST - Details
Glaeptio

1 Speed, USB, RJ45

+Aluminum body for a portable design
+USB-C connection for modern laptops
+Plug and play setup
$8.26
as of 11/04/2026 21:07 PST - Details
Glaeptio

1 Speed, USB, RJ45

+Portable USB-C design for travel use
+Gigabit speed of 1000Mbps over an RJ45 port
+Works with laptops, PCs and switches
$11.43
as of 11/04/2026 21:07 PST - Details
Glaeptio

1 Speed, USB, RJ45, Realtek

+Gigabit Ethernet speed over a USB-C connection
+Realtek RTL8153E chip
+Plug and play setup
$9.15
as of 11/04/2026 21:07 PST - Details
Glotrends

10 Speed, PCIe, RJ45, Realtek

+10 gigabit RJ45 port for fast wired networking
+Realtek RTL8127 chip
+PCIe 3.0 x2 slot fits older boards
$35.99
as of 11/04/2026 21:10 PST - Details
Hididi

USB, RJ45

+Two adapters included in the pack
+Connects through a USB port
+Provides an RJ45 wired Ethernet connection
$4.99
as of 11/04/2026 21:06 PST - Details
Hoement

1 Speed, USB, RJ45

+Supports 1 Gbps Ethernet speed
+Connects through a USB 2.0 interface
+Provides an RJ45 wired Ethernet connection
$10.09
as of 11/04/2026 06:06 PST - Details
Homsfou

1 Speed, USB, RJ45

+Supports 1 Gbps Ethernet speed
+Connects through a USB 2.0 interface
+Provides an RJ45 wired Ethernet connection
$10.09
as of 11/04/2026 06:06 PST - Details
Hszhutu

1 Speed, RJ45

+Gigabit 1000 Mbps speed for wired networking
+Type-C connector for modern laptops and tablets
+RJ45 port for standard Ethernet cables
$12.99
as of 11/04/2026 06:05 PST - Details
ICZI

1 Speed, RJ45

+Gigabit Ethernet speed of 1 Gbps
+RJ45 port for wired network connection
+Plug and play operation
$12.99
as of 11/04/2026 06:06 PST - Details
Ifgseqqq

1 Speed, USB, RJ45

+Gigabit Ethernet speed of 1 Gbps
+RJ45 port for wired network connection
+Works with USB 3.0 and 2.0 ports
$499.17
as of 11/04/2026 11:06 PST - Details
Jauarta

5 Speed, USB, RJ45

+Supports 5 Gbps Ethernet speed
+Uses a USB C connection for modern laptops
+Has an RJ45 port for standard Ethernet cables
$25.19
as of 11/04/2026 21:10 PST - Details
Jauarta

5 Speed, USB, RJ45

+USB connection for adding wired Ethernet to a computer
+RJ45 port accepts standard Ethernet cables
+Rated at 5 Gbps speed
$29.09
as of 11/04/2026 21:10 PST - Details
Jauarta

USB, RJ45

+USB connection for adding wired Ethernet to a computer
+RJ45 port accepts standard Ethernet cables
+Named for 5Gbps data transfer
$28.79
as of 11/04/2026 21:10 PST - Details
Jauarta

USB, RJ45, Realtek

+Realtek chip is listed for the Ethernet connection
+USB bus connects through a USB Type C port
+RJ45 port accepts standard Ethernet cables
$12.89
as of 11/04/2026 21:10 PST - Details
Jauarta

2.5 Speed, USB, RJ45, Realtek

+Realtek RTL8156B chip is listed
+USB bus connects through a USB Type C port
+RJ45 port accepts standard Ethernet cables
$16.69
as of 11/04/2026 21:10 PST - Details
Jauarta

2.5 Speed, USB, RJ45

+Supports 2.5 Gbps network speed
+Uses an RJ45 Ethernet port
+Connects through a USB-C interface
$16.09
as of 11/04/2026 21:10 PST - Details
Jauarta

USB, RJ45

+Uses an RJ45 Ethernet port
+Connects through a USB interface
+Includes three USB 3.0 ports
$18.79
as of 11/04/2026 21:10 PST - Details
Kadimendium

2.5 Speed, USB, RJ45

+Supports 2.5 Gbps wired Ethernet speeds
+Connects through a USB port
+Uses a standard RJ45 Ethernet connection
$15.79
as of 11/04/2026 21:10 PST - Details
Kalea-Informatique

5 Speed, PCIe, RJ45, Marvell (Aquantia)

+Supports 5 Gbps Ethernet speeds
+Uses a PCIe 4.0 x1 interface
+Low profile form factor fits compact cases
$57.20
as of 11/04/2026 21:10 PST - Details
Kopinma

1 Speed, USB, RJ45

+Gigabit 1000 Mbps wired network speed
+Uses an RJ45 Ethernet port
+Connects through a USB interface
$11.99
as of 11/04/2026 21:10 PST - Details
Kujobuy

USB, RJ45

+Connects a wired RJ45 network through USB
+Connects through a USB interface
+Works with Windows 7 to 11 and Linux
$5.85
as of 11/04/2026 11:06 PST - Details
Stephencho

1 Speed, USB, RJ45

+Gigabit RJ45 connection speed
+Connects through a USB interface
+Braided cable for durability
$18.39
as of 11/04/2026 06:06 PST - Details
Licaevey

1 Speed, RJ45

+Converts a USB Type-C port to a wired Ethernet connection
+Gigabit speed rated at 1000 Mbps
+RJ45 female port accepts standard Ethernet cables
$7.09
as of 11/04/2026 11:07 PST - Details

Compare specs

network cardSpeedInterfacePort typeSpec scorePrice
USBRJ45n/a$5.78
as of 11/04/2026 11:06 PST - Details
1USBRJ45n/a$4.99
as of 11/04/2026 11:06 PST - Details
1USBRJ45n/a$12.99
as of 11/04/2026 21:10 PST - Details
1RJ45n/a$7.10
as of 11/04/2026 06:06 PST - Details
1RJ45n/a$10.76
as of 11/04/2026 06:05 PST - Details
1USBRJ45n/a$8.26
as of 11/04/2026 21:07 PST - Details
1USBRJ45n/a$11.43
as of 11/04/2026 21:07 PST - Details
1USBRJ45n/a$9.15
as of 11/04/2026 21:07 PST - Details
10PCIeRJ45n/a$35.99
as of 11/04/2026 21:10 PST - Details
USBRJ45n/a$4.99
as of 11/04/2026 21:06 PST - Details

Before you buy

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Popular filters

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