When you buy through our links, we may earn a commission. Learn more ›
Wiki Shopping

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)

Renkforce

1 Ports, RJ45

+Metal housing for a sturdy connector body
+Joins two RJ45 cables in a single coupler
+Supports CAT 5e network cabling
−Only a single port, so one link at a time
$6.00
as of 11/04/2026 06:05 PST - Details
Renkforce

1 Ports, RJ45

+Connects two RJ45 cables together with a single socket each side
+Supports CAT 6 cabling for wired network runs
+Black housing suits standard network setups
−Only one port on each end, so it cannot split a connection
$15.00
as of 11/04/2026 06:05 PST - Details
Renkforce

1 Ports, USB, RJ45

+Connects to a USB-C port without an adapter
+Built-in 3.00 m cable for flexible placement
+Aluminium plug housing
−Single RJ45 port only
$46.00
as of 11/04/2026 02:10 PST - Details
Renkforce

1 Ports, USB, RJ45

+Uses a USB 3.2 Gen 1 Type-A connection
+Built-in 3.00 m cable for flexible placement
+Aluminium plug housing
−Single RJ45 port only
$46.00
as of 11/04/2026 02:10 PST - Details
Renkforce

1 Ports, USB, RJ45

+Uses a USB 3.2 Gen 1 Type-A connection
+Longer 5.00 m cable reaches distant outlets
+Aluminium plug housing
−Single RJ45 port only
$55.00
as of 11/04/2026 02:10 PST - Details
Renkforce

1 Ports, USB, RJ45

+Uses a USB 3.2 Gen 1 Type-A connection
+Built-in 1.80 m cable for short runs
+Aluminium plug housing
−Single RJ45 port only
$49.00
as of 11/04/2026 02:10 PST - Details
Renkforce

1 Ports, USB, RJ45

+Uses a USB-C male connector
+Built-in 1.80 m cable for short runs
+Aluminium male connector housing
−Single RJ45 port only
$53.00
as of 11/04/2026 02:10 PST - Details
Retyly

0.1 Speed, USB, RJ45

+USB to RJ45 adapter for wired Ethernet on a PC
+Supports 10/100 Mbps network speeds
+Provides a standard RJ45 port for a wired connection
−Maximum speed of 0.1 Gbps is slower than gigabit adapters
$5.15
as of 11/04/2026 11:05 PST - Details
Mosanau

1 Speed, USB, RJ45

+Two-meter cable for flexible placement
+Metal shell housing
+1 Gbps Ethernet speed for wired networking
−Cable length is fixed at two meters
$18.49
as of 11/04/2026 06:05 PST - Details
Mustpoint

1 Speed, RJ45

+Rated for 1000 Mbps gigabit Ethernet speeds
+Acts as an RJ45 extender to lengthen a network run
+Adapter cable form suits connecting two network devices
−Extender cables add a connection point that can weaken signal over distance
$6.59
as of 11/04/2026 03:08 PST - Details
Generic

0.1 Speed, USB, RJ45

+External USB to Ethernet adapter for wired network access
+Works with Mac, Android, PC and laptop devices
+Supports 10/100 Mbps network speeds over an RJ45 port
−Maximum speed of 0.1 Gbps is slower than gigabit adapters
$6.00
as of 11/04/2026 11:06 PST - Details
Generic

0.1 Speed, USB, RJ45

+External USB to Ethernet adapter for wired network access
+Works with PC and laptop devices
+Supports 10/100 Mbps network speeds over an RJ45 port
−Maximum speed of 0.1 Gbps is slower than gigabit adapters
$5.94
as of 11/04/2026 06:05 PST - Details
Aoiutrn

USB, RJ45

+Splits one RJ45 connection into two dual ports
+Uses a USB interface to connect to a computer
+Provides 8P8C Ethernet sockets for network cables
−Splitting one port into two shares a single connection
$8.99
as of 11/04/2026 06:06 PST - Details
Generic

USB, RJ45

+Connects to a wired network through an RJ45 port
+Uses a USB connection for the network link
+Two-meter cable length for flexible placement
−Uses a USB port that some laptops may lack
$28.99
as of 11/04/2026 11:07 PST - Details
Kelvix

0.1 Speed, USB, RJ45

+Adds RJ45 wired Ethernet through a USB connection
+Rated for up to 100 Mbps Ethernet speed
+Plug-and-play setup with no driver installation needed
−Limited to 100 Mbps, slower than gigabit adapters
$7.79
as of 11/04/2026 11:07 PST - Details
Untering

1 Speed, PCIe, RJ45, Realtek

+Gigabit speed of 1 Gbps for fast wired networking
+Internal PCIe slot keeps the desktop connection clean
+Realtek chip, a widely used networking chipset
−Requires an open PCIe slot inside the desktop
$5.99
as of 11/04/2026 10:07 PST - Details
Sabrent

10 Speed, USB, RJ45, Marvell (Aquantia)

+10 Gbps speed for fast wired networking
+Works with Thunderbolt 3, 4, 5 and USB4 ports
+Marvell chip for 10GbE connections
−Requires a Thunderbolt or USB4 port to connect
$129.99
as of 11/04/2026 03:08 PST - Details
Sabrent

USB, RJ45, Realtek

+5 Gbps multi-gig speed over a USB-C connection
+Supports 2.5GbE speeds as well
+USB 3.2 connection for a portable setup
−Requires a USB-C port to connect
$39.95
as of 11/04/2026 03:07 PST - Details
Sanpyl

1 Speed, USB, RJ45

+Gigabit speed of 1 Gbps for wired networking
+Connects through a USB-C port on laptops and desktops
+Uses an RJ45 port for standard Ethernet cables
−Gigabit speed is the limit for this adapter
$7.07
as of 11/04/2026 11:07 PST - Details
Sanpyl

1 Speed, USB, RJ45

+Gigabit Ethernet speed of 1 Gbps
+USB 3.0 interface for connecting to a computer
+Uses a standard RJ45 Ethernet port
−Gigabit speed is the limit for this adapter
$7.07
as of 11/04/2026 11:07 PST - Details
Solinder

0.1 Speed, USB, RJ45

+Adds a wired RJ45 Ethernet port via USB
+Connects through a Type-C port
+Plug and play setup stated
−Maximum speed is 100Mbps
$8.19
as of 11/04/2026 02:10 PST - Details
Sonnet

10 Speed, RJ45

+10GbE RJ45 port for fast wired networking
+Two M.2 NVMe slots for storage expansion
+Dual USB-C ports included
−Uses a PCIe slot in the computer
$349.99
as of 11/04/2026 03:07 PST - Details
Sonnet

1 Speed, PCIe, RJ45

+2.5Gb RJ45 Ethernet on a single port
+Uses existing Cat 5e cabling
+Low-profile form factor fits small cases
−Requires a PCIe slot in the computer
$29.99
as of 11/04/2026 03:08 PST - Details
Sonnet

10 Speed, PCIe, RJ45

+Two 10GbE RJ45 ports on one card
+Supports link aggregation
+Low-profile form factor fits small cases
−Requires a PCIe slot in the computer
$199.99
as of 11/04/2026 03:07 PST - Details
StarTech.com

10 Speed, RJ45, Realtek

+10 Gbps Ethernet speed over USB-C
+RJ45 port for standard Ethernet cables
+Thunderbolt compatible per the product name
−USB-based adapter, slower than a PCIe card
$100.99
as of 11/04/2026 11:07 PST - Details
Tassteen

0.1 Speed, USB, RJ45

+USB connection adds wired Ethernet to devices without a LAN port
+100 Mbps speed for basic wired network access
+Drive-free operation requires no driver installation
−Only 100 Mbps speed, slower than gigabit Ethernet
$5.98
as of 11/04/2026 11:06 PST - Details
Tccmebius

USB, RJ45, Realtek

+USB 2.0 connection works with laptops and tablets lacking Ethernet ports
+Realtek chipset is a widely supported network chip
+Supports 10/100 Mbps Ethernet connections
−Limited to 10/100 Mbps, not gigabit speeds
$7.21
as of 11/04/2026 02:10 PST - Details
TRENDnet

10 Speed, PCIe, RJ45

+10 Gigabit Ethernet speed over an RJ45 port
+Uses a x4 PCIe lane connection
+Low-profile design fits compact PC cases
−Requires a free PCIe slot in the computer
$69.99
as of 11/04/2026 03:07 PST - Details

Compare specs

network cardSpeedInterfacePort typeSpec scorePrice
RJ45n/a$6.00
as of 11/04/2026 06:05 PST - Details
RJ45n/a$15.00
as of 11/04/2026 06:05 PST - Details
USBRJ45n/a$46.00
as of 11/04/2026 02:10 PST - Details
USBRJ45n/a$46.00
as of 11/04/2026 02:10 PST - Details
USBRJ45n/a$55.00
as of 11/04/2026 02:10 PST - Details
USBRJ45n/a$49.00
as of 11/04/2026 02:10 PST - Details
USBRJ45n/a$53.00
as of 11/04/2026 02:10 PST - Details
0.1USBRJ45n/a$5.15
as of 11/04/2026 11:05 PST - Details
1USBRJ45n/a$18.49
as of 11/04/2026 06:05 PST - Details
1RJ45n/a$6.59
as of 11/04/2026 03:08 PST - Details

Before you buy

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