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1-Port Network Cards

All Network Cards

31 1-Port network cards from Renkforce, 10Gtek, Vogzone and more. Most cost $15 to $170, and half cost less than $53.

Top brands: Renkforce (7)

HPSpec score 7.8

1 Speed, 1 Ports, USB, RJ45

+Gigabit speed over a USB 3.0 Type A connection
+Portable single-port design
+Supports 10/100/1000 Base-T Ethernet
$24.99-11%Was: $28.13
as of 11/04/2026 11:07 PST - Details
HP

1 Ports, USB, RJ45

+Single RJ45 port for a wired Ethernet connection
+Connects through a USB-C port on laptops
+Supports 1 Gbps data transfer rate
$18.39-8%Was: $19.99
as of 11/04/2026 11:07 PST - Details
StarTech.comSpec score 7.9

10 Speed, 1 Ports, PCIe, RJ45

+10 Gbps speed over RJ45 copper
+Low profile bracket fits small form factor cases
+Jumbo frame support for larger packets
−Only two PCIe lanes limit peak throughput
$172.99-6%List: $183.46
as of 11/04/2026 03:08 PST - Details
StarTech.com

1 Ports, PCIe, RJ45, Realtek

+Realtek RTL8111H chipset
+Low profile bracket fits small form factor cases
+RJ45 copper connection
−Single port limits simultaneous connections
No current price. Check it at the store.
SynologySpec score 7.9

10 Speed, 1 Ports, M.2, RJ45

+Combines a 10 Gbps RJ45 port with an M.2 slot
+Model E10M20-T1 fits Synology network storage setups
+Provides 10 Gbps speeds over copper Ethernet cabling
$223.99
as of 11/04/2026 03:08 PST - Details
StarTech.comSpec score 7.9

2.5 Speed, 1 Ports, PCIe, RJ45

+Single RJ45 port supports 2.5GbE connections
+Installs in a PCIe slot for desktop connectivity
+Uses an Intel network chip
$77.34-6%List: $81.99
as of 11/04/2026 03:08 PST - Details
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
SerounderSpec score 7.9

2.5 Speed, 1 Ports, M.2, RJ45

+Single 2.5 Gbps port for faster wired networking
+Uses an M.2 B M connection for a compact build
+Intel chip with RJ45 port for standard Ethernet cabling
−Requires a free M.2 slot on the motherboard
No price recorded yet.
RedluxSpec score 8.7

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
NicgigaSpec score 7.9

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 7.9

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
VogzoneSpec score 7.9

2.5 Speed, 1 Ports, PCIe, RJ45

+Single RJ45 port for 2.5GbE copper networking
+Backward compatible with 1GbE and 100MbE networks
+Low-profile form factor fits compact chassis
−Only one network port per card
$15.99
as of 11/04/2026 10:06 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
H!Fiber.comSpec score 7.9

2.5 Speed, 1 Ports, PCIe, RJ45

+2.5 Gbps speed, faster than standard gigabit
+Realtek RTL8125 chip
+Low-profile bracket for compact PCs
−Single port limits to one network connection
No price recorded yet.
10GtekSpec score 7.9

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 03:06 PST - Details
6COMSpec score 7.9

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
IpolexSpec score 7.9

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 03:07 PST - Details
SonnetSpec score 7.9

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 03:07 PST - Details
YrwygcgwySpec score 7.9

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
LpxlqklypSpec score 7.8

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
SynologySpec score 7.9

10 Speed, 1 Ports, RJ45

+Single RJ45 port for 10 Gbps Ethernet connections
+Model E10G18-T1 fits Synology network storage setups
+Provides 10 Gbps speeds over copper Ethernet cabling
No price recorded yet.
KingwinSpec score 7.8

1 Speed, 1 Ports, USB, RJ45

+Supports 1 Gbps Ethernet speeds
+Single RJ45 port for wired networking
+Connects through a USB port
No price recorded yet.
Zunate

1 Ports, Thunderbolt, RJ45

+Connects through Thunderbolt 3 for high speed networking
+RJ45 port accepts standard Ethernet cables
+Adds a wired network port to Thunderbolt 3 devices
No price recorded yet.

Compare specs

network cardSpeedPortsInterfacePort typeControllerSpec scorePrice
11USBRJ457.8$24.99
as of 11/04/2026 11:07 PST - Details
1USBRJ45n/a$18.39
as of 11/04/2026 11:07 PST - Details
101PCIeRJ45Marvell (Aquantia)7.9$172.99
as of 11/04/2026 03:08 PST - Details
1PCIeRJ45Realtekn/aNo current price
101M.2RJ457.9$223.99
as of 11/04/2026 03:08 PST - Details
2.51PCIeRJ45Intel7.9$77.34
as of 11/04/2026 03:08 PST - Details
1RJ45n/a$6.00
as of 11/04/2026 06:05 PST - Details
2.51M.2RJ45Intel7.9No current price
101PCIeRJ45Intel8.7$39.99
as of 11/04/2026 03:07 PST - Details
101PCIeRJ45Marvell (Aquantia)7.9$69.99
as of 11/04/2026 03:06 PST - Details

Before you buy

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