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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)

Generic

USB, RJ45

+Uses a wired RJ45 Ethernet connection
+USB Type-C connector fits modern laptops
+Works with USB 2.0 connection
−Wired connection means no wireless use
No price recorded yet.
Whoasyst

0.1 Speed, USB, RJ45

+Connects to a wired Ethernet network through an RJ45 port
+Plugs into a USB port, so no internal installation is needed
+Adapter supports 10/100 Mbps Ethernet speeds
−Maximum speed is 0.1 Gbps, slower than gigabit Ethernet adapters
No price recorded yet.
Yoidesu

10 Speed, USB, RJ45

+10Gbps USB4 connection speed
+RJ45 Ethernet port for wired networking
+Aluminum alloy body
−Requires a USB4 or USB C port on the device
No price recorded yet.
GlotrendsSpec score 9.5

10 Speed, PCIe, RJ45, Intel

+10 gigabit RJ45 port for fast wired networking
+Intel X540-AT chip
+Supports SR-IOV virtualization
$39.99
as of 11/04/2026 21:10 PST - Details
LpxlqklypSpec score 8.5

10 Speed, 4 Ports, PCIe, RJ45

+Offers four 10 gigabit RJ45 ports on one card
+Uses an Intel X540-T4 chip for 10G networking
+Installs in a PCIe slot for desktop and server systems
$181.24
as of 11/04/2026 09:09 PST - Details
VunLinkSpec score 8.2

10 Speed, 2 Ports, PCIe, RJ45

+Dual RJ45 ports for two 10GBase-T copper connections
+Low-profile design fits small form factor and compact cases
+Intel X540-T2 controller for 10 Gbps copper networking
$69.98
as of 11/04/2026 21:09 PST - Details
LemspumSpec score 8.2

10 Speed, 2 Ports, PCIe, RJ45

+Dual RJ45 ports for two 10 Gbps copper connections
+Low-profile design fits small form factor and compact cases
+Intel X540 controller for 10 Gbps networking
$42.99
as of 11/04/2026 21:09 PST - Details
Hewlett Packard EnterpriseSpec score 8.2

10 Speed, 2 Ports, RJ45

+Two RJ45 ports provide 10 Gb Ethernet connections
+Rated at 10 Gb per second per port
+FlexibleLOM design fits compatible HPE server slots
$656.00
as of 11/04/2026 06:05 PST - Details
GenericSpec score 8.2

10 Speed, 2 Ports, RJ45, Intel

+Two 10Gbit RJ45 ports
+Intel X710 controller
+RJ45 ports work with standard Ethernet cables
$399.00
as of 11/04/2026 06:05 PST - Details
QNAPSpec score 8.2

10 Speed, 2 Ports, USB, RJ45

+Two RJ45 ports for 10 Gbps wired connections
+Connects over USB 4 Type-C interface
+Compatible with Thunderbolt 3 and Thunderbolt 4 connections
$378.11
as of 11/04/2026 11:06 PST - Details
SxtaigoodSpec score 8.2

10 Speed, 2 Ports, PCIe, RJ45

+Two RJ45 ports for 10GbE connections
+Low profile design fits compact chassis
+Intel chip for networking
$79.88
as of 11/04/2026 03:08 PST - Details
IpolexSpec score 8.0

10 Speed, 1 Ports, PCIe, RJ45

+Single 10 Gbit/s RJ45 port for copper networking
+Intel X550 chip for 10 Gbit/s speed
+PCIe v3.0 x4 interface
$87.99
as of 11/04/2026 21:10 PST - Details
SonnetSpec score 8.0

10 Speed, 1 Ports, PCIe, RJ45

+Single RJ45 port for 10 Gigabit Ethernet connections
+Installs in a PCIe slot for desktop connectivity
+Thunderbolt compatible for use with Thunderbolt systems
$109.99
as of 11/04/2026 21:10 PST - Details
YrwygcgwySpec score 8.0

10 Speed, 1 Ports, PCIe, RJ45

+10 Gbps speed over standard copper Ethernet
+RJ45 port connects to common Ethernet cabling
+PCIe x8 interface for high-bandwidth slots
$145.93
as of 11/04/2026 10:07 PST - Details
AkpzkyywnSpec score 7.9

2.5 Speed, 4 Ports, PCIe, RJ45

+Four RJ45 ports in a single card
+PCIe interface for modern desktops and servers
+Realtek RTL8125BG and Intel i226 chipset options
$325.14
as of 11/04/2026 10:07 PST - Details
AkpzkyywnSpec score 7.8

1 Speed, 4 Ports, PCIe, RJ45

+Four RJ45 ports in a single card
+Intel 82576 chipset
+PCIe x1 interface fits smaller expansion slots
$275.20
as of 11/04/2026 10:07 PST - Details
ZopscSpec score 7.7

0.1 Speed, 4 Ports, USB, RJ45

+Four ports for expanding connections on a laptop
+Aluminum build for a sturdy housing
+Supports 100Mbps Ethernet over RJ45 ports
$13.02
as of 11/04/2026 06:05 PST - Details
エレコム(ELECOM)Spec score 7.6

1 Speed, 3 Ports, USB, RJ45

+Gigabit 1Gbps wired Ethernet connection
+Three USB-A ports added by the built-in hub
+Low profile design listed
$40.90
as of 11/04/2026 06:06 PST - Details
AkpzkyywnSpec score 7.6

2.5 Speed, 2 Ports, PCIe, RJ45

+2.5 Gbps speed on each RJ45 port
+Two RJ45 ports for two connections
+PCI Express interface with Intel I226 chip
$210.14
as of 11/04/2026 10:07 PST - Details
10GtekSpec score 7.4

2.5 Speed, 1 Ports, PCIe, RJ45

+Supports 2.5G, gigabit, and 100Mbps speeds
+Installs in a PCIe slot for desktop computers
+Uses a single RJ45 port for wired connections
$14.99
as of 11/04/2026 21:09 PST - Details
6COMSpec score 7.4

2.5 Speed, 1 Ports, PCIe, RJ45

+Supports 2.5 Gbps wired connection speed
+Single RJ45 port for a standard Ethernet cable
+Installs in a PCI Express x1 slot
$18.04
as of 11/04/2026 10:08 PST - Details
JeirdusSpec score 7.4

1 Speed, 2 Ports, PCIe, RJ45

+Dual RJ45 ports for two wired connections
+Intel 82576 chipset
+Low-profile bracket for compact builds
$39.99
as of 11/04/2026 10:08 PST - Details
OLurkthuSpec score 7.4

1 Speed, 2 Ports, PCIe, RJ45

+Two RJ45 ports for wired connections
+Low-profile form factor for compact builds
+Gigabit speed for standard wired networking
$24.34
as of 11/04/2026 21:10 PST - Details
OLurkthuSpec score 7.4

1 Speed, 2 Ports, PCIe, RJ45

+Two RJ45 ports for two separate network connections
+PCIe interface fits standard desktop and server slots
+1 Gbps speed for gigabit wired networking
$43.61
as of 11/04/2026 21:11 PST - Details
OLurkthuSpec score 7.4

1 Speed, 2 Ports, PCIe, RJ45

+Two RJ45 gigabit ports on one card
+PCIe x1 slot fits many motherboards
+Realtek RTL8111 chipset listed
$15.47
as of 11/04/2026 21:11 PST - Details
LpxlqklypSpec score 7.3

1 Speed, 1 Ports, PCIe, RJ45

+Gigabit speed with 1GB single port
+PCIe x1 slot fits many desktop motherboards
+RJ45 port connects to standard Ethernet cables
$72.07
as of 11/04/2026 09:09 PST - Details
F Fenvi

10 Speed, PCIe, RJ45, Marvell (Aquantia)

+10 Gbps RJ45 Ethernet connection
+Marvell AQC113 controller
+Low profile design fits small cases
$53.99
as of 11/04/2026 21:09 PST - Details
YuanLey

10 Speed, PCIe, RJ45, Marvell (Aquantia)

+10 Gbps RJ45 Ethernet connection
+Marvell AQC113 controller
+Low profile design fits small cases
$69.98
as of 11/04/2026 21:09 PST - Details

Compare specs

network cardSpeedInterfacePort typeSpec scorePrice
USBRJ45n/aNo current price
0.1USBRJ45n/aNo current price
10USBRJ45n/aNo current price
10PCIeRJ459.5$39.99
as of 11/04/2026 21:10 PST - Details
10PCIeRJ458.5$181.24
as of 11/04/2026 09:09 PST - Details
10PCIeRJ458.2$69.98
as of 11/04/2026 21:09 PST - Details
10PCIeRJ458.2$42.99
as of 11/04/2026 21:09 PST - Details
10RJ458.2$656.00
as of 11/04/2026 06:05 PST - Details
10RJ458.2$399.00
as of 11/04/2026 06:05 PST - Details
10USBRJ458.2$378.11
as of 11/04/2026 11:06 PST - Details

Before you buy

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