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1-Port Network Cards

All Network Cards

6 1-Port network cards from Renkforce, 10Gtek, Vogzone and more. Prices run $15 to $42.

All filtersFilters (2)×
Ports: 1  ×Controller: Realtek  ×Clear all
Brand10Gtek16COM1H!Fiber.com1StarTech.com1Vogzone1
Speed2.54101
Ports16
InterfacePCIe6
Port typeRJ455
ControllerIntel20Mellanox9Realtek6Marvell (Aquantia)3Broadcom2
PriceUnder $253Under $504Under $754Under $1004$25 & above1
Clear allShow 6 Network Cards
Ports: 1  ×Controller: Realtek  ×6 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
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.
OLurkthuSpec score 7.9

10 Speed, 1 Ports, PCIe, Realtek

+10 Gbps speed for fast networking
+Single port for one connection
+PCIe 3.0 x4 interface
−Requires a PCIe x4 slot or wider
$42.47
as of 11/04/2026 03:07 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
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
1PCIeRJ45Realtekn/aNo current price
101PCIeRealtek7.9$42.47
as of 11/04/2026 03:07 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

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Popular filters

Network Cards under $100804Network Cards under $75762Network Cards under $50707Network Cards under $25546USB Network Cards473RJ45 Network Cards473PCIe Network Cards320Network Cards with Intel Controllers207

Related product types

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