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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)

Rekong

10 Speed, PCIe, RJ45, Marvell (Aquantia)

+10 Gbps speed, faster than standard gigabit Ethernet
+PCIe x4 interface listed for the connection
+Single RJ45 port for standard Ethernet cabling
−Requires a free PCIe slot in the computer
$49.39-5%Was: $51.99
as of 11/04/2026 03:08 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
$46.54-5%Was: $48.99
as of 11/04/2026 03:07 PST - Details
ULANSeN

2.5 Speed, PCIe, RJ45, Realtek

+Supports 2.5 Gbps wired connection speed
+Also falls back to 1000 and 100 Mbps
+Installs in a PCI Express x1 slot
$18.99-5%Was: $19.99
as of 11/04/2026 10:08 PST - Details
Sunshot

1 Speed, USB, RJ45, Realtek

+Connects wired Ethernet through a USB-C port
+Gigabit 1Gbps speed over RJ45 connection
+Realtek chip for wired networking
$13.52-5%Was: $14.24
as of 11/04/2026 02:10 PST - Details
UGREEN

1 Speed, USB, RJ45

+Five-in-one hub with Ethernet and three USB 3.0 ports
+Gigabit speed of 1 Gbps over RJ45
+Plug and play setup
$18.99-5%List: $19.99
as of 11/04/2026 11:05 PST - Details
Uni

1 Speed, USB, RJ45

+Gigabit speed of 1 Gbps over a USB-C connection
+Driver-free RJ45 LAN connection for laptops
+Type-C interface connects to modern laptops
$14.43-5%Was: $15.19
as of 11/04/2026 02:10 PST - Details
Uni

2.5 Speed, USB, RJ45, Realtek

+Faster 2.5 Gbps wired network speed
+Realtek network chip
+Sturdy aluminum body
$17.13-5%Was: $18.04
as of 11/04/2026 10:05 PST - Details
Uni

1 Speed, USB, RJ45, Realtek

+Connects through a USB 3.0 port
+Gigabit 1000Mbps wired network speed
+Realtek network chip
$15.19-5%List: $15.99
as of 11/04/2026 02:10 PST - Details
Sunshot

1 Speed, USB, RJ45

+Supports 1 Gbps gigabit wired network speed
+Uses a standard RJ45 port for wired network cables
+Includes a 100W charging port for pass-through power
$18.99-5%List: $19.99
as of 11/04/2026 03:08 PST - Details
LinksTekSpec score 9.0

10 Speed, 2 Ports, PCIe, RJ45

+Two 10GbE RJ45 ports for high-speed wired networking
+Intel X540 chipset for 10Gb/s Ethernet
+PCIe x8 interface for high bandwidth
−Requires a PCIe x8 slot
$55.99
as of 11/04/2026 03:07 PST - Details
FebSmartSpec score 9.0

10 Speed, 2 Ports, PCIe, RJ45

+Two 10 Gbps RJ45 ports
+Uses an x8 PCIe interface for high bandwidth
+Intel X540-AT2 Ethernet controller
−Requires a free x8 PCIe slot
$55.99
as of 11/04/2026 03:07 PST - Details
RedluxSpec score 8.8

10 Speed, 1 Ports, PCIe, RJ45

+10 Gbps speed, faster than standard gigabit Ethernet
+Intel chip listed for the network controller
+Single RJ45 port for standard Ethernet cabling
−Requires a free PCIe slot in the computer
$39.99
as of 11/04/2026 03:07 PST - Details
LpxlqklypSpec score 8.5

10 Speed, 4 Ports, RJ45, Intel

+Four RJ45 ports for four 10 Gbps connections
+Intel chip for a 10 Gbps network connection
+Uses standard RJ45 Ethernet cabling
−Short card form factor may not fit every case
$628.00
as of 11/04/2026 09:09 PST - Details
GigaPlusSpec score 8.2

10 Speed, 2 Ports, PCIe, RJ45

+Two 10 Gbps RJ45 ports on one card
+Intel X540 controller
+Low profile design fits small cases
−Requires a PCIe x8 slot
$59.99
as of 11/04/2026 03:07 PST - Details
10GtekSpec score 8.2

10 Speed, 2 Ports, PCIe, RJ45

+Two 10 Gb RJ45 ports for dual connections
+Intel X540 controller
+Low-profile bracket option for small cases
−Uses a full x8 PCIe slot
$49.99
as of 11/04/2026 03:06 PST - Details
H!Fiber.comSpec score 8.2

10 Speed, 2 Ports, PCIe, RJ45

+10 Gbps speed for high-bandwidth network tasks
+Dual RJ45 ports for two network connections
+Intel X540-BT2 chip for a 10Gb copper network card
−Requires an available x8 PCIe slot
$44.99
as of 11/04/2026 03:07 PST - Details
GenericSpec score 8.2

10 Speed, 2 Ports, PCIe, RJ45

+10 Gbps speed for fast network throughput
+Two RJ45 ports for wired connections
+PCIe interface for server and desktop slots
−Fit is listed for HP systems
$35.60
as of 11/04/2026 03:08 PST - Details
LpxlqklypSpec score 8.2

10 Speed, 2 Ports, PCIe, RJ45

+Two RJ45 ports for dual wired connections
+Intel chipset for 10 Gbps Ethernet
+Uses an x8 PCIe slot for bandwidth
−Uses a PCIe x8 slot
$119.44
as of 11/04/2026 09:09 PST - Details
XzsnetSpec score 8.2

10 Speed, 2 Ports, PCIe, RJ45

+10 Gbps speed, ten times standard gigabit Ethernet
+Two RJ45 ports for dual connections
+Intel X540 chip
−Requires a PCIe x8 slot
$49.99
as of 11/04/2026 03:08 PST - Details
YiBaoTongSpec score 8.2

10 Speed, 2 Ports, PCIe, RJ45

+10 Gbps speed over RJ45 ports
+Two RJ45 ports for dual network connections
+PCIe x4 interface for desktop expansion slots
−Requires a PCIe x4 slot
$68.88
as of 11/04/2026 03:08 PST - Details
SanpylSpec score 8.1

5 Speed, 4 Ports, USB, RJ45

+Four ports for expanding a single USB connection
+Aluminium alloy body for a sturdy build
+Includes an RJ45 Ethernet port
−Ethernet port is listed at 100Mbps, below gigabit
$6.86
as of 11/04/2026 03:08 PST - Details
SanpylSpec score 8.1

5 Speed, 4 Ports, USB, RJ45

+Four ports, including one RJ45 Ethernet port and three USB ports
+USB 3.0 interface for faster USB connections
+Aluminium alloy body for a sturdy build
−Ethernet port is limited to 100Mbps
−Ethernet port is 100Mbps, below gigabit speed
$8.47
as of 11/04/2026 11:07 PST - Details
NicgigaSpec score 8.0

10 Speed, 1 Ports, PCIe, RJ45

+10 Gbps Ethernet speed over RJ45 port
+Uses a single PCIe x1 slot
+Marvell AQC113 controller
−Single port limits to one network connection
$69.99
as of 11/04/2026 03:06 PST - Details
AkpzkyywnSpec score 8.0

10 Speed, 1 Ports, PCIe, RJ45

+10 Gbps speed for fast transfers on high-bandwidth networks
+Single RJ45 port for standard Ethernet cabling
+PCIe x4 interface
−Uses a full x4 PCIe slot
$170.72
as of 11/04/2026 10:07 PST - Details
AkpzkyywnSpec score 7.6

2.5 Speed, 2 Ports, PCIe, RJ45

+Two RJ45 ports for dual wired connections
+2.5Gbps speed per port
+Connects to a PCIe slot
−Takes up a PCIe slot
$116.07
as of 11/04/2026 10:07 PST - Details
10GtekSpec score 7.4

1 Speed, 2 Ports, PCIe, RJ45

+Two 1 Gbps RJ45 ports for dual connections
+Intel I350-AM2 controller
+Low-profile bracket option for small cases
−Only 1 Gbps speed per port
$35.99
as of 11/04/2026 03:06 PST - Details
H!Fiber.comSpec score 7.4

1 Speed, 2 Ports, PCIe, RJ45

+Two RJ45 ports provide two network connections from one card
+Intel 82576 chip is a well-known network controller
+Low-profile design fits compact computer cases
−Low-profile design may not suit full-height slots without a bracket
$26.99
as of 11/04/2026 10:06 PST - Details
KnjcsvhghSpec score 7.4

1 Speed, 2 Ports, PCIe, RJ45

+Dual Gigabit RJ45 ports for wired network connections
+Uses Intel I350AM2 chip
+Fits PCIe x1 slots
−Supports PoE, which requires PoE-compatible equipment
$214.47
as of 11/04/2026 09:09 PST - Details

Compare specs

network cardSpeedInterfacePort typeSpec scorePrice
10PCIeRJ45n/a$49.39
as of 11/04/2026 03:08 PST - Details
10PCIeRJ45n/a$46.54
as of 11/04/2026 03:07 PST - Details
2.5PCIeRJ45n/a$18.99
as of 11/04/2026 10:08 PST - Details
1USBRJ45n/a$13.52
as of 11/04/2026 02:10 PST - Details
1USBRJ45n/a$18.99
as of 11/04/2026 11:05 PST - Details
1USBRJ45n/a$14.43
as of 11/04/2026 02:10 PST - Details
2.5USBRJ45n/a$17.13
as of 11/04/2026 10:05 PST - Details
1USBRJ45n/a$15.19
as of 11/04/2026 02:10 PST - Details
1USBRJ45n/a$18.99
as of 11/04/2026 03:08 PST - Details
10PCIeRJ459.0$55.99
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.