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2.5 Gbps Network Cards

All Network Cards

83 2.5 gbps network cards from StarTech.com, IO Crest, Jauarta and more. Most cost $14 to $51, and half cost less than $20.

Top brands: StarTech.com (5)

Plugable

2.5 Speed, USB, RJ45

+2.5 Gbps wired speed for faster networking than gigabit
+RJ45 port for standard Ethernet cables
+Dual USB-C and USB connectors for wider device compatibility
$19.99-33%List: $29.99
as of 11/04/2026 21:10 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 21:11 PST - Details
StarTech.com

2.5 Speed, USB, RJ45

+USB-C connection for laptops and modern computers
+RJ45 port for standard Ethernet cables
+2.5 Gbps speed, faster than standard gigabit Ethernet
−USB-based adapter, slower than a PCIe card
$29.99
as of 11/04/2026 21:06 PST - Details
StarTech.com

2.5 Speed, USB, RJ45

+USB-C connection for laptops and modern computers
+RJ45 port for standard Ethernet cables
+2.5 Gbps speed, faster than standard gigabit Ethernet
−USB-based adapter, slower than a PCIe card
$42.48
as of 11/04/2026 03:08 PST - Details
ASUS

2.5 Speed, USB, RJ45

+2.5 Gbps wired speed for faster transfers
+RJ45 port for standard Ethernet cables
+USB-C connection for modern laptops
$34.99
as of 11/04/2026 21:07 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 21:10 PST - Details
Nicgiga

2.5 Speed, PCIe, RJ45, Realtek

+2.5 speed: the highest speed of the 114 here
$17.99-28%List: $24.99
as of 11/04/2026 10:09 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
TRENDnet

2.5 Speed, PCIe, RJ45

+2.5 speed: the highest speed of the 114 here
$19.99-20%Was: $24.99
as of 11/04/2026 10:06 PST - Details
AkpzkyywnSpec score 8.9

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 8.6

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
Akpzkyywn

2.5 Speed, PCIe, RJ45, Intel

+2.5Gbps wired Ethernet speed
+Intel I226 chip
+Connects to a PCIe slot
−Takes up a PCIe slot
$193.90
as of 11/04/2026 10:07 PST - Details
OLurkthu

2.5 Speed, M.2, RJ45, Intel

+2.5 Gbps speed for faster wired networking than gigabit
+Intel chip for wired connectivity
+RJ45 port for standard Ethernet cables
−Requires an M.2 B+M key slot on the motherboard
$51.89
as of 11/04/2026 21:10 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
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
YuanLey

2.5 Speed, PCIe, RJ45, Realtek

+2.5 speed: the highest speed of the 114 here
$18.88-10%List: $20.98
as of 11/04/2026 10:09 PST - Details
YuanLey

2.5 Speed, PCIe, RJ45, Realtek

+2.5 speed: the highest speed of the 114 here
$17.98-10%List: $19.98
as of 11/04/2026 10:09 PST - Details
Vimin

2.5 Speed, PCIe, RJ45, Realtek

+2.5 speed: the highest speed of the 114 here
$17.98-10%List: $19.98
as of 11/04/2026 10:06 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
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
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
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 21:09 PST - Details
Untering

2.5 Speed, USB, RJ45

+Supports 2.5Gbps speeds over an RJ45 Ethernet port
+Connects to a PC or laptop through a Type C port
+USB bus connection needs no internal PC slot
−Requires a free Type C port on the computer
$7.99
as of 11/04/2026 06:05 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
BrosTrend

2.5 Speed, PCIe, RJ45

+2.5 Gbps PCIe network card with RJ45 port
+Low-profile bracket included for compact cases
+Listed for Ubuntu, Mint and Kali Linux
−Requires a free PCIe slot inside the computer
$27.29
as of 11/04/2026 10:08 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 21:10 PST - Details

Compare specs

network cardSpeedInterfacePort typeControllerSpec scorePrice
2.5USBRJ45n/a$19.99
as of 11/04/2026 21:10 PST - Details
2.5USBRJ45Realtekn/a$25.99
as of 11/04/2026 11:07 PST - Details
2.5PCIeRJ45n/a$27.99
as of 11/04/2026 10:07 PST - Details
2.5USBRJ45Realtekn/a$44.99
as of 11/04/2026 21:11 PST - Details
2.5USBRJ45n/a$29.99
as of 11/04/2026 21:06 PST - Details
2.5USBRJ45n/a$42.48
as of 11/04/2026 03:08 PST - Details
2.5USBRJ45n/a$34.99
as of 11/04/2026 21:07 PST - Details
2.5USBRJ45Realtekn/a$48.99
as of 11/04/2026 21:10 PST - Details
2.5PCIeRJ45Realtekn/a$17.99
as of 11/04/2026 10:09 PST - Details
2.5USBRJ45Realtekn/a$15.99
as of 11/04/2026 11:06 PST - Details

Before you buy

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