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Network Cards with Realtek Controllers

All Network Cards

51 network cards with Realtek controllers from StarTech.com, BrosTrend, Wavlink and more. Most cost $10 to $48, and half cost less than $20.

Plugable

5 Speed, USB, Realtek

+Uses a Realtek RTL8157 chip
+Connects through a USB bus
+Adds Ethernet to USB-C devices without a native port
−Requires a free USB-C port
$29.95-25%List: $39.95
as of 11/04/2026 03:08 PST - Details
UGREEN

2.5 Speed, USB, RJ45, Realtek

+2.5 Gbps speed over RJ45 for faster wired networks
+Aluminum body for a sturdy build
+Realtek chip for the network connection
−Requires a USB-C port on the host device
$25.99-13%List: $29.99
as of 11/04/2026 11:07 PST - Details
StarTech.com

2.5 Speed, USB, RJ45, Realtek

+Supports 2.5 Gbps Ethernet speeds over a USB connection
+Uses a Realtek chip for network connectivity
+Multi-speed design works with NBASE-T networks
−Speed depends on the USB port and cable used
$44.99
as of 11/04/2026 03:08 PST - Details
StarTech.com

2.5 Speed, USB, RJ45, Realtek

+2.5 Gbps Ethernet speed over USB-C
+Connects to Thunderbolt 3 ports
+Multi-speed support for 1 Gbps and lower
$48.99
as of 11/04/2026 03:07 PST - Details
Vicfluxion

2.5 Speed, USB, RJ45, Realtek

+Supports 2.5 Gbps wired connection speed
+Connects through a USB port to an RJ45 Ethernet cable
+Uses a Realtek chip
−Requires a free USB port on the computer
$15.99-20%List: $19.99
as of 11/04/2026 11:06 PST - Details
Agfinest

2.5 Speed, USB, Realtek

+Delivers 2.5 gigabit speed over USB
+Offers both USB-C and USB-A connections
+Uses a Realtek chip for network connectivity
$19.99-20%List: $24.99
as of 11/04/2026 10:06 PST - Details
Acer

1 Speed, USB, RJ45, Realtek

+Gigabit 1Gbps Ethernet speed
+RJ45 port for standard Ethernet cables
+Plug and play setup
$11.99-14%List: $13.99
as of 11/04/2026 11:05 PST - Details
BrosTrend

USB, Realtek

+Works with Linux distributions such as Ubuntu, Mint, and Kali
+Uses a USB connection for easy attachment to a PC
+Built on a Realtek chipset
$21.99-8%Was: $23.99
as of 11/04/2026 11:05 PST - Details
Mcbazel

10 Speed, USB, RJ45, Realtek

+RJ45 port accepts standard Ethernet cables
+Realtek RTL8153E chip for wired networking
+Connects to USB-C ports
−Listed speed of 10 Gbps conflicts with its 1 Gbps name
$11.99
as of 11/04/2026 11:07 PST - Details
Untering

1 Speed, USB, Realtek

+Gigabit speed of 1 Gbps over a USB 3.0 connection
+Realtek chip, a widely used networking chipset
+Portable USB design works on laptops and desktops
−Requires a free USB port for connection
$7.99
as of 11/04/2026 06:05 PST - Details
Sabrent

USB, RJ45, Realtek

+5 Gbps multi-gig speed over a USB-C connection
+Supports 2.5GbE speeds as well
+USB 3.2 connection for a portable setup
−Requires a USB-C port to connect
$39.95
as of 11/04/2026 03:07 PST - Details
Acer

2.5 Speed, USB, RJ45, Realtek

+2.5Gbps Ethernet speed, faster than standard gigabit
+RJ45 port for standard Ethernet cables
+Aluminum alloy housing
$24.99-11%List: $27.99
as of 11/04/2026 11:07 PST - Details
Acer

2.5 Speed, USB, RJ45, Realtek

+2.5Gbps Ethernet speed, faster than standard gigabit
+RJ45 port for standard Ethernet cables
+Aluminum alloy housing
$25.99-7%List: $27.99
as of 11/04/2026 10:06 PST - Details
Lotekoo

USB, Realtek

+Connects to a computer through a USB port
+Realtek chipset inside the adapter
+Works with desktop and laptop PCs
$8.51-5%Was: $8.98
as of 11/04/2026 02:10 PST - Details
StarTech.com

1 Speed, USB, RJ45, Realtek

−1 speed: 74 of the 90 here have a higher speed
$30.08-5%List: $31.76
as of 11/04/2026 10:05 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
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
Cable Matters

2.5 Speed, USB, RJ45, Realtek

+USB connection works with computers lacking built-in Ethernet
+RJ45 port for standard Ethernet cables
+Realtek chip listed for driver compatibility
−Requires a 2.5 Gbps capable network to reach full speed
$24.99
as of 11/04/2026 03:07 PST - Details
CableCreation

1 Speed, USB, RJ45, Realtek

+10 foot cable gives extra placement flexibility
+USB connection works with computers lacking built-in Ethernet
+Realtek chip listed for driver compatibility
−Cable adds bulk compared with compact dongle adapters
$21.99
as of 11/04/2026 11:06 PST - Details
Cudy

2.5 Speed, USB, RJ45, Realtek

+2.5 Gbps speed for faster wired transfers
+Uses an RJ45 port for standard Ethernet cables
+Plug and play USB 3.0 connection
−Requires a free USB port on the computer
$17.99
as of 11/04/2026 03:07 PST - Details
Tccmebius

USB, RJ45, Realtek

+USB 2.0 connection works with laptops and tablets lacking Ethernet ports
+Realtek chipset is a widely supported network chip
+Supports 10/100 Mbps Ethernet connections
−Limited to 10/100 Mbps, not gigabit speeds
$7.21
as of 11/04/2026 02:10 PST - Details
Generic

1 Speed, USB, RJ45, Realtek

+Gigabit speed of 1 Gbps for fast wired connections
+Realtek chipset for a known networking chip
+Connects to a standard RJ45 Ethernet cable
−Requires a free USB-C port on the device
$58.99
as of 11/04/2026 11:07 PST - Details
UeeKKoo

2.5 Speed, USB, Realtek

+Supports 2.5 Gbps network speeds
+USB 3.2 Gen1 connection suits high-speed wired networking
+Realtek chipset listed for the network controller
−Requires a USB 3.0 or faster port for full speed
$24.86
as of 11/04/2026 06:06 PST - Details
Ueego

10 Speed, USB, RJ45, Realtek

+10 Gbps speed for fast wired network transfers
+USB-C connection for laptops with USB-C ports
+RJ45 port for standard Ethernet cables
−Relies on a USB bus rather than a built-in network port
$86.99
as of 11/04/2026 03:09 PST - Details
XikeStor

2.5 Speed, USB, Realtek

+USB 3.0 interface connects to laptops without a PCIe slot
+2.5 Gbps speed, faster than standard gigabit Ethernet
+Realtek RTL8156B chip
−Speed is capped by the USB port it plugs into
No price recorded yet.
Vicfluxion

2.5 Speed, USB, RJ45, Realtek

+2.5Gbps wired Ethernet speed
+Type-C connector for laptops
+Supports power delivery pass-through
$23.99
as of 11/04/2026 03:07 PST - Details

Compare specs

network cardSpeedInterfacePort typeControllerSpec scorePrice
5USBRealtekn/a$29.95
as of 11/04/2026 03:08 PST - Details
2.5USBRJ45Realtekn/a$25.99
as of 11/04/2026 11:07 PST - Details
2.5USBRJ45Realtekn/a$44.99
as of 11/04/2026 03:08 PST - Details
2.5USBRJ45Realtekn/a$48.99
as of 11/04/2026 03:07 PST - Details
2.5USBRJ45Realtekn/a$15.99
as of 11/04/2026 11:06 PST - Details
2.5USBRealtekn/a$19.99
as of 11/04/2026 10:06 PST - Details
1USBRJ45Realtekn/a$11.99
as of 11/04/2026 11:05 PST - Details
USBRealtekn/a$21.99
as of 11/04/2026 11:05 PST - Details
10USBRJ45Realtekn/a$11.99
as of 11/04/2026 11:07 PST - Details
1USBRealtekn/a$7.99
as of 11/04/2026 06:05 PST - Details

Before you buy

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