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1-Port Network Cards

All Network Cards

8 1-Port network cards from Renkforce, 10Gtek, Vogzone and more. Most cost $16 to $77, and half cost less than $22.

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
X-MediaSpec score 7.9

2.5 Speed, 1 Ports, PCIe, Intel

+2.5 Gbps speed, faster than standard Gigabit
+PCIe x1 slot fits smaller expansion slots
+Low-profile bracket for compact builds
−Single port limits connections to one network
$24.99
as of 11/04/2026 03:08 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.
YjntoximcSpec score 7.9

2.5 Speed, 1 Ports, USB, SFP

+Supports 2.5 Gbps wired connection speed
+Single port for SFP fiber optic connections
+Connects through a USB-C 3.0 port
$56.90
as of 11/04/2026 02:10 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
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

Compare specs

network cardSpeedPortsInterfacePort typeControllerSpec scorePrice
2.51PCIeRJ45Intel7.9$77.34
as of 11/04/2026 03:08 PST - Details
2.51PCIeIntel7.9$24.99
as of 11/04/2026 03:08 PST - Details
2.51M.2RJ45Intel7.9No current price
2.51USBSFP7.9$56.90
as of 11/04/2026 02:10 PST - Details
2.51PCIeRJ45Realtek7.9$15.99
as of 11/04/2026 10:06 PST - Details
2.51PCIeRJ45Realtek7.9No current price
2.51PCIeRJ45Realtek7.9$14.99
as of 11/04/2026 03:06 PST - Details
2.51PCIeRJ45Realtek7.9$18.04
as of 11/04/2026 10:08 PST - Details

Before you buy

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