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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 $108, and half cost less than $17.

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

Dickmith

0.1 Speed, USB, RJ45

+Connects to a wired RJ45 Ethernet network through a USB connection
+Includes a USB-C port that supports Power Delivery charging
+Compact two-in-one design for laptops with USB-C ports
−Maximum speed of 0.1 Gbps limits throughput on fast networks
$15.99
as of 11/04/2026 11:06 PST - Details
Digitus

PCI, RJ45

+Uses a PCI bus connection
+Low-profile design fits compact PC cases
+RJ45 port for standard Ethernet cables
−Older PCI bus instead of PCIe
$40.75
as of 11/04/2026 10:07 PST - Details
Dragonrun

USB, RJ45

+Pack of two adapters
+Connects through a USB port
+RJ45 port for standard Ethernet cables
−USB 2.0 interface limits throughput
$4.59
as of 11/04/2026 02:10 PST - Details
Eacam

0.1 Speed, USB, RJ45

+Connects through a USB interface
+Provides an RJ45 Ethernet port
+Supports 100Mbps network speeds
−Limited to 100Mbps maximum speed
$7.89
as of 11/04/2026 03:07 PST - Details
Fentency

0.1 Speed, USB, RJ45

+Connects directly to a laptop or desktop with a USB-C port
+Uses an RJ45 port for standard Ethernet cable
+Built-in cable runs directly from the USB-C plug to the RJ45 connector
−Specified speed is 100 Mbps, below gigabit
$11.99
as of 11/04/2026 03:07 PST - Details
Fujitsu

10 Speed, PCIe, RJ45, Intel

+Four 10GBASE-T RJ45 ports for high-speed wired networking
+PCIe interface for installation in a desktop or server
+Intel chipset for network adapter compatibility
−Internal card requires opening the computer to install
$3,541.00
as of 11/04/2026 10:07 PST - Details
Guaber

USB, RJ45

+USB connection for simple plug-in use
+RJ45 port for wired Ethernet connections
+USB 2.0 interface for broad device compatibility
−USB 2.0 interface limits maximum throughput
$5.69
as of 11/04/2026 11:06 PST - Details
Gugxiom

1 Speed, RJ45

+Gigabit 1000 Mbps wired Ethernet speed
+Aluminum alloy housing
+Plug and play setup with LED indicator
−Requires a USB Type-C port to connect
$7.80
as of 11/04/2026 06:06 PST - Details
Gugxiom

1 Speed, USB, RJ45

+Gigabit 1000 Mbps wired Ethernet speed
+Aluminum alloy housing
+Plug and play setup with LED indicator
−Requires a USB Type-C port to connect
$8.25
as of 11/04/2026 02:11 PST - Details
Gugxiom

2.5 Speed, USB, RJ45

+2.5 Gbps wired Ethernet speed
+Type-C connection for modern laptops
+Built-in heat dissipation design
−Requires a USB Type-C port to connect
$11.38
as of 11/04/2026 03:07 PST - Details
Herfair

USB, RJ45

+Pack of 2 adapters for multiple devices
+Converts an RJ45 Ethernet port to a USB 2.0 connection
+Suited to connecting an ADSL modem to a computer
−USB 2.0 connection limits throughput compared with native Ethernet ports
$5.99
as of 11/04/2026 11:06 PST - Details
HP

USB, RJ45

+Connects a USB-C port to a wired RJ45 Ethernet network
+Adds a wired network connection to a USB-C laptop
+Built for business use with a USB-C connection
−Wired connection only, no wireless networking support
$22.69
as of 11/04/2026 02:10 PST - Details
Hszhjhz

0.1 Speed, RJ45

+Lightning connector for iPhone and iPad wired networking
+Includes a charging port for pass-through power
+RJ45 port for standard Ethernet cables
−Rated at 100 Mbps, slower than gigabit adapters
$18.98
as of 11/04/2026 06:06 PST - Details
Intel

1 Speed, PCIe, RJ45, Intel

+Four RJ-45 copper ports for four connections
+PCI Express 2.0 x4 lane interface
+Copper RJ-45 ports suit standard Ethernet cabling
−Limited to 1 Gbps speed
$135.00
as of 11/04/2026 10:07 PST - Details
Ivshowco

0.1 Speed, RJ45

+Apple MFi Certified for iPhone and iPad use
+Connects an iPhone or iPad to an RJ45 Ethernet LAN
+Lightning connector fits Apple mobile devices
−Supports only 0.1 Gbps Fast Ethernet speeds
$15.32
as of 11/04/2026 03:07 PST - Details
Mcbazel

10 Speed, USB, RJ45, Realtek

+RJ45 port accepts standard Ethernet cables
+Realtek RTL8153E chip for wired networking
+Connects to USB-C ports
−Listed speed of 10 Gbps conflicts with its 1 Gbps name
$11.99
as of 11/04/2026 11:07 PST - Details
Mcbazel

1 Speed, USB, RJ45, ASIX

+RJ45 port accepts standard Ethernet cables
+ASIX chip for wired networking
+Connects to USB-C ports
−Listed speed is 1 Gbps
$12.99
as of 11/04/2026 11:07 PST - Details
OLurkthu

2.5 Speed, M.2, RJ45, Intel

+2.5 Gbps speed for faster wired networking than gigabit
+Intel chip for wired connectivity
+RJ45 port for standard Ethernet cables
−Requires an M.2 B+M key slot on the motherboard
$51.89
as of 11/04/2026 03:07 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
OLurkthu

10 Speed, PCIe, RJ45

+10 Gbps speed for fast wired networking
+PCIe x1 slot fits many desktop motherboards
+RJ45 port works with standard Ethernet cables
−Requires a free PCIe x1 slot
$42.79
as of 11/04/2026 03:07 PST - Details
OLurkthu

10 Speed, PCIe, RJ45, Realtek

+10 Gbps speed for fast wired networking
+Realtek chip listed for driver support
+PCIe x1 slot fits many desktop motherboards
−Requires a free PCIe x1 slot
$43.38
as of 11/04/2026 03:07 PST - Details
OLurkthu

2.5 Speed, M.2, RJ45, Intel

+2.5 Gbps speed for faster wired networking
+Intel chip listed for the network controller
+M.2 B+M interface for compact installation
−Needs a free M.2 slot rather than a PCIe slot
$51.60
as of 11/04/2026 03:07 PST - Details
OLurkthu

PCIe, RJ45

+PCIe x1 slot fits many desktop motherboards
+RJ45 port works with standard Ethernet cables
+Supports 10/100/1000 Mbps Ethernet speeds
−Limited to 1 Gbps speed
$9.50
as of 11/04/2026 03:07 PST - Details
OLurkthu

5 Speed, PCIe, RJ45, Realtek

+5 Gbps speed, faster than standard gigabit cards
+PCIe interface for desktop and server use
+RJ45 port works with standard Ethernet cabling
−Requires a cable and switch that support 5 Gbps
$17.85
as of 11/04/2026 03:07 PST - Details
JXSZ

0.1 Speed, PCI, RJ45, Realtek

+Realtek RTL8139D chipset for broad driver compatibility
+RJ45 port connects directly to standard Ethernet cables
+Supports 10/100Mbps Fast Ethernet speeds
−Speed capped at 100Mbps, slower than gigabit cards
$5.99
as of 11/04/2026 10:07 PST - Details
Qbdjhwbt

1 Speed, USB, RJ45, ASIX

+Connects through a USB port without an internal slot
+Uses an RJ45 port for standard wired Ethernet
+ASIX chip listed for wired network connection
−Listed speed of 1 Gbps is below many current wired options
$49.60
as of 11/04/2026 03:08 PST - Details
Renkforce

1 Speed, USB, RJ45

+1 Gbps wired Ethernet speed
+USB connection requires no internal installation
+USB-C connector for modern laptops
−Speed is limited to gigabit Ethernet
$28.00
as of 11/04/2026 06:05 PST - Details

Compare specs

network cardSpeedInterfacePort typeSpec scorePrice
0.1USBRJ45n/a$15.99
as of 11/04/2026 11:06 PST - Details
PCIRJ45n/a$40.75
as of 11/04/2026 10:07 PST - Details
USBRJ45n/a$4.59
as of 11/04/2026 02:10 PST - Details
0.1USBRJ45n/a$7.89
as of 11/04/2026 03:07 PST - Details
0.1USBRJ45n/a$11.99
as of 11/04/2026 03:07 PST - Details
10PCIeRJ45n/a$3,541.00
as of 11/04/2026 10:07 PST - Details
USBRJ45n/a$5.69
as of 11/04/2026 11:06 PST - Details
1RJ45n/a$7.80
as of 11/04/2026 06:06 PST - Details
1USBRJ45n/a$8.25
as of 11/04/2026 02:11 PST - Details
2.5USBRJ45n/a$11.38
as of 11/04/2026 03:07 PST - Details

Before you buy

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