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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)

YuanLey

10 Speed, PCIe, RJ45, Realtek

+10 Gbps RJ45 Ethernet connection
+Low profile design fits small cases
+Uses a single PCIe x1 slot
$59.98
as of 11/04/2026 21:09 PST - Details
Akpzkyywn

10 Speed, PCIe, RJ45, Realtek

+10 Gbps RJ45 Ethernet connection
+Realtek RTL8127 chipset
+Uses PCIe x4 lanes
$259.08
as of 11/04/2026 10:07 PST - Details
Akpzkyywn

10 Speed, PCIe, RJ45, Realtek

+Delivers 10 gigabit speed over a standard RJ45 port
+Installs in a PCIe slot for desktop computers
+Uses a Realtek chip for network connectivity
$197.68
as of 11/04/2026 10:07 PST - Details
ULANSeN

10 Speed, PCIe, RJ45, Realtek

+10 Gbps speed with 5G, 2.5G, 1G and 100Mbps fallback
+Uses a single PCIe x1 lane
+Low-profile bracket option for small cases
$48.99
as of 11/04/2026 21:10 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 21:10 PST - Details
Vicfluxion

2.5 Speed, USB, RJ45, Realtek

+2.5Gbps wired Ethernet speed
+Type-C connector for laptops
+Supports power delivery pass-through
$12.99
as of 11/04/2026 21:10 PST - Details
Yeeliya

2.5 Speed, PCIe, RJ45, Realtek

+Supports 2.5 Gbps wired connection speed
+Installs in a PCI Express slot
+Uses a single x1 PCIe lane
$13.99
as of 11/04/2026 10:06 PST - Details
Mfyhkpdu

RJ45

+Includes 2 ports for Dish antenna and Internet connections
+Works with a Powerline kit that includes one RJ45 port
+Adds Ethernet connectivity for Dish antenna setups
$99.14
as of 11/04/2026 03:09 PST - Details
Nyummryt

RJ45

+Includes 2 ports for Dish antenna and Internet connections
+Works with a Powerline kit that includes one RJ45 port
+Adds Ethernet connectivity for Dish antenna setups
$99.14
as of 11/04/2026 03:09 PST - Details
Stephencho

2.5 Speed, USB, RJ45

+2.5 Gbps speed, faster than standard gigabit
+USB Type-C connection for modern laptops
+RJ45 port for standard Ethernet cables
$16.99
as of 11/04/2026 06:05 PST - Details
Ecvghd

USB, RJ45

+Pack of 2 adapters for multiple connections
+Converts a USB Type A female port to an RJ45 male plug
+USB bus connection needs no internal PC slot
$6.46
as of 11/04/2026 11:07 PST - Details
Vimin

5 Speed, PCIe, RJ45, Realtek

+5 Gbps speed, faster than standard gigabit
+Realtek RTL8126 chip
+Low profile bracket fits small cases
$35.99
as of 11/04/2026 21:09 PST - Details
ULANSeN

5 Speed, PCIe, RJ45, Realtek

+5 Gbps speed, faster than standard gigabit
+Supports 2.5G, 1G and 100Mbps speeds
+Realtek RTL8126 chip
$29.99
as of 11/04/2026 10:06 PST - Details
Akpzkyywn

5 Speed, PCIe, RJ45, Realtek

+5 Gbps speed, faster than standard gigabit
+Realtek RTL8126 chip
+PCIe to RJ45 connection for wired networks
$81.58
as of 11/04/2026 10:07 PST - Details
Ableconn

2.5 Speed, M.2, RJ45, Intel

+2.5 Gigabit Ethernet speed
+M.2 interface suits embedded systems and mini PCs
+RJ-45 port for standard Ethernet cables
$37.99
as of 11/04/2026 21:09 PST - Details
Ablewe

1 Speed, USB, RJ45

+Combines Ethernet with three USB 3.0 ports in one hub
+Gigabit Ethernet speed over an RJ-45 port
+Plug-and-play USB connection
$15.99
as of 11/04/2026 10:05 PST - Details
Acasis

10 Speed, RJ45

+Provides 10 Gb Ethernet speed over an RJ45 port
+Aluminum housing for a sturdy build
+Compatible with Thunderbolt 3, 4 and 5 ports
$87.99
as of 11/04/2026 06:05 PST - Details
Acer

1 Speed, USB, RJ45

+Gigabit 1Gbps Ethernet speed
+RJ45 port for standard Ethernet cables
+Includes three USB 3.0 ports
$25.99
as of 11/04/2026 21:10 PST - Details
Alfyrcft

USB, RJ45

+Supports both USB 3.0 and USB-C connections
+RJ45 port for standard Ethernet cables
+Plug and play with no drivers needed
$15.87
as of 11/04/2026 11:07 PST - Details
Benfei

1 Speed, USB, RJ45

+Gigabit Ethernet speed of 1000 Mbps
+Standard RJ45 port for wired network cables
+Connects through a USB 3.0 or USB-C port
$9.99
as of 11/04/2026 21:07 PST - Details
Bloepum

USB, RJ45

+USB 3.1 connection rated at 10Gbps
+RJ45 port for a wired LAN connection
+Includes a USB-C ethernet adapter with hub design for PC use
$6.99
as of 11/04/2026 21:10 PST - Details
BrosTrend

5 Speed, PCIe, RJ45

+Supports 5 Gbps network speed over a PCIe slot
+Includes an RJ45 port for Ethernet cabling
+Low profile design fits smaller computer cases
$35.99
as of 11/04/2026 10:09 PST - Details
BrosTrend

5 Speed, RJ45

+5 Gbps speed for faster wired transfers
+Aluminum body for a sturdy build
+Plug and play with Windows, macOS and iOS
$33.49
as of 11/04/2026 10:06 PST - Details
BrosTrend

5 Speed, USB, RJ45

+5 Gbps speed through a USB connection
+RJ45 Ethernet port for wired networking
+Aluminum body with plug and play setup
$34.99
as of 11/04/2026 10:06 PST - Details
BrosTrend

RJ45

+Gigabit RJ45 port for wired devices
+Dual-band WiFi bridge for printers and PCs
+Connects wired devices to a wireless network
$46.99
as of 11/04/2026 10:06 PST - Details
Bzizu

10 Speed, PCIe, RJ45, Realtek

+10Gb speed for fast wired transfers
+RJ45 port works with standard Ethernet cables
+Low-profile design suits compact builds
$49.98
as of 11/04/2026 21:10 PST - Details
Cable Matters

1 Speed, RJ45

+Gigabit 1 Gbps wired network speed
+RJ45 port for standard Ethernet cables
+Supports PXE and MAC address cloning
$14.99
as of 11/04/2026 21:07 PST - Details
Cable Matters

1 Speed, USB, RJ45

+Connects a USB-C port to an RJ45 Ethernet cable
+Supports 100W charging pass-through
+Rated for up to 480Mbps network speed
$24.99
as of 11/04/2026 11:07 PST - Details

Compare specs

network cardSpeedInterfacePort typeSpec scorePrice
10PCIeRJ45n/a$59.98
as of 11/04/2026 21:09 PST - Details
10PCIeRJ45n/a$259.08
as of 11/04/2026 10:07 PST - Details
10PCIeRJ45n/a$197.68
as of 11/04/2026 10:07 PST - Details
10PCIeRJ45n/a$48.99
as of 11/04/2026 21:10 PST - Details
2.5M.2RJ45n/a$19.95
as of 11/04/2026 21:10 PST - Details
2.5USBRJ45n/a$12.99
as of 11/04/2026 21:10 PST - Details
2.5PCIeRJ45n/a$13.99
as of 11/04/2026 10:06 PST - Details
RJ45n/a$99.14
as of 11/04/2026 03:09 PST - Details
RJ45n/a$99.14
as of 11/04/2026 03:09 PST - Details
2.5USBRJ45n/a$16.99
as of 11/04/2026 06:05 PST - Details

Before you buy

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