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Network Cards with Realtek Controllers

All Network Cards

42 network cards with Realtek controllers from StarTech.com, BrosTrend, Wavlink and more. Most cost $15 to $69, and half cost less than $33.

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.
UGREEN

5 Speed, PCIe, RJ45, Realtek

+5 Gbps wired speed for fast local transfers
+PCIe x1 slot works with common motherboards
+RJ45 port connects to standard Ethernet cables
$32.99-18%List: $39.99
as of 11/04/2026 10:09 PST - Details
Rielincard

2.5 Speed, PCIe, RJ45, Realtek

+2.5Gbps wired Ethernet speed
+Realtek RTL8125B chip
+Low-profile bracket for small cases
$16.01-11%Was: $17.99
as of 11/04/2026 10:09 PST - Details
NicgigaSpec score 8.9

5 Speed, 5 Ports, PCIe, RJ45

+5 ports: the most ports of the 10 here
+5 speed: 60 of the 90 here have a lower speed
$33.29-10%Was: $36.99
as of 11/04/2026 03:07 PST - Details
10Gtek

1 Speed, PCIe, RJ45, Realtek

−1 speed: 74 of the 90 here have a higher speed
$12.96-10%Was: $14.40
as of 11/04/2026 03:07 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
OLurkthuSpec score 8.5

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
AkpzkyywnSpec score 7.8

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
VogzoneSpec score 7.6

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
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
Binardat

2.5 Speed, PCIe, RJ45, Realtek

+2.5Gbps wired Ethernet speed
+Realtek RTL8125B chip
+Connects to a PCIe slot
−Takes up a PCIe slot
$16.99
as of 11/04/2026 03:06 PST - Details
BrosTrend

2.5 Speed, PCIe, RJ45, Realtek

+2.5 Gbps PCIe network card with RJ45 port
+Low-profile bracket included for compact cases
+Supports Windows 11, 10, 8.1, 8 and 7
−Requires a free PCIe slot inside the computer
$21.99
as of 11/04/2026 10:09 PST - Details
OLurkthu

10 Speed, PCIe, RJ45, Realtek

+10 Gbps speed for fast wired networking
+Realtek chip listed for driver support
+PCIe x1 slot fits many desktop motherboards
−Requires a free PCIe x1 slot
$43.38
as of 11/04/2026 03:07 PST - Details
OLurkthu

5 Speed, PCIe, RJ45, Realtek

+5 Gbps speed, faster than standard gigabit cards
+PCIe interface for desktop and server use
+RJ45 port works with standard Ethernet cabling
−Requires a cable and switch that support 5 Gbps
$17.85
as of 11/04/2026 03:07 PST - Details
Untering

1 Speed, PCIe, RJ45, Realtek

+Gigabit speed of 1 Gbps for fast wired networking
+Internal PCIe slot keeps the desktop connection clean
+Realtek chip, a widely used networking chipset
−Requires an open PCIe slot inside the desktop
$5.99
as of 11/04/2026 10:07 PST - Details
H!Fiber.comSpec score 7.6

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.
XikeStor

10 Speed, PCIe, SFP+, Realtek

+10 Gbps SFP+ port on a PCIe 4.0 x1 slot
+Low profile form factor fits small chassis
+Aluminum heatsink included
−Single port limits connectivity
No price recorded yet.
10GtekSpec score 7.6

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 7.6

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
KnjcsvhghSpec score 7.6

1 Speed, 2 Ports, PCIe, Realtek

+Two Gigabit ports for two network connections
+PCIe x1 slot fits standard expansion slots
+Realtek chip for Gigabit Ethernet
$66.06
as of 11/04/2026 09:09 PST - Details
OLurkthuSpec score 7.6

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 03:08 PST - Details
YuanLey

10 Speed, PCIe, RJ45, Realtek

+10 Gbps RJ45 Ethernet connection
+Low profile design fits small cases
+Uses a single PCIe x1 slot
$59.98
as of 11/04/2026 03:07 PST - Details
Akpzkyywn

10 Speed, PCIe, RJ45, Realtek

+10 Gbps RJ45 Ethernet connection
+Realtek RTL8127 chipset
+Uses PCIe x4 lanes
$259.08
as of 11/04/2026 10:07 PST - Details
Akpzkyywn

10 Speed, PCIe, RJ45, Realtek

+Delivers 10 gigabit speed over a standard RJ45 port
+Installs in a PCIe slot for desktop computers
+Uses a Realtek chip for network connectivity
$197.68
as of 11/04/2026 10:07 PST - Details
Yeeliya

2.5 Speed, PCIe, RJ45, Realtek

+Supports 2.5 Gbps wired connection speed
+Installs in a PCI Express slot
+Uses a single x1 PCIe lane
$13.99
as of 11/04/2026 10:06 PST - Details
Derapid

2.5 Speed, PCIe, Realtek

+Supports 2.5 Gbps wired connection speed
+Installs in a PCI Express x1 slot
+Low-profile bracket fits small form factor cases
$16.99
as of 11/04/2026 10:08 PST - Details

Compare specs

network cardSpeedInterfacePort typeControllerSpec scorePrice
PCIeRJ45Realtekn/aNo current price
5PCIeRJ45Realtekn/a$32.99
as of 11/04/2026 10:09 PST - Details
2.5PCIeRJ45Realtekn/a$16.01
as of 11/04/2026 10:09 PST - Details
5PCIeRJ45Realtek8.9$33.29
as of 11/04/2026 03:07 PST - Details
1PCIeRJ45Realtekn/a$12.96
as of 11/04/2026 03:07 PST - Details
10PCIeRJ45Realtekn/a$46.54
as of 11/04/2026 03:07 PST - Details
10PCIeRealtek8.5$42.47
as of 11/04/2026 03:07 PST - Details
2.5PCIeRJ45Realtek7.8$116.07
as of 11/04/2026 10:07 PST - Details
2.5PCIeRJ45Realtek7.6$15.99
as of 11/04/2026 10:06 PST - Details
2.5PCIeRJ45Realtekn/a$17.98
as of 11/04/2026 10:09 PST - Details

Before you buy

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