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2.5 Gbps Network Cards

All Network Cards

21 2.5 gbps network cards from StarTech.com, IO Crest, Jauarta and more. Most cost $23 to $193, and half cost less than $27.

X-MediaSpec score 8.6

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 21:11 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
YrwygcgwySpec score 9.5

2.5 Speed, 4 Ports, PCIe, RJ45

+Four RJ45 ports for four wired connections
+2.5 Gbps speed per port
+PCIe interface for desktop expansion
−Requires an available PCIe slot
No price recorded yet.
SerounderSpec score 8.6

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.
AkpzkyywnSpec score 8.9

2.5 Speed, 2 Ports, PCIe, RJ45

+2.5 Gbps speed on each RJ45 port
+Two RJ45 ports for two connections
+PCI Express interface with Intel I226 chip
$210.14
as of 11/04/2026 10:07 PST - Details
Akpzkyywn

2.5 Speed, Intel

+Single electrical port with 2.5 Gbps speed
+Intel chip for 2.5 gigabit networking
+Diskless design suited to soft router builds
$95.81
as of 11/04/2026 10:07 PST - Details
ZimaboardSpec score 9.5

2.5 Speed, 4 Ports, PCIe, Intel

+Four ports for multiple 2.5GbE connections
+2.5 Gbps speed per port, faster than gigabit
+Intel i226-V chip for 2.5GbE networking
No price recorded yet.
OLurkthu

2.5 Speed, M.2, RJ45, Intel

+2.5 Gbps speed for faster wired networking
+Intel chip listed for the network controller
+M.2 B+M interface for compact installation
−Needs a free M.2 slot rather than a PCIe slot
$51.60
as of 11/04/2026 21:10 PST - Details
Raxmolo

2.5 Speed, M.2, RJ45, Intel

+2.5 Gbps speed with multi-gig fallback to 1G and 100M
+Intel i226-V chip for 2.5GbE networking
+M.2 interface fits a spare M.2 slot
−Requires a free M.2 A+E slot
No price recorded yet.
Rielincard

2.5 Speed, PCIe, RJ45, Intel

+2.5Gbps wired Ethernet speed
+Intel I226-V chip
+Low-profile bracket for small cases
$26.99
as of 11/04/2026 10:08 PST - Details
Ableconn

2.5 Speed, M.2, RJ45, Intel

+2.5 Gigabit Ethernet speed
+M.2 interface suits embedded systems and mini PCs
+RJ-45 port for standard Ethernet cables
$37.99
as of 11/04/2026 21:09 PST - Details
ULANSeN

2.5 Speed, PCIe, RJ45, Intel

+Two 2.5GBase-T RJ45 ports
+Intel I225-V and I226-V controllers
+Supports 2500, 1000 and 100Mbps speeds
$45.99
as of 11/04/2026 21:10 PST - Details
Netely

2.5 Speed, PCIe, RJ45, Intel

+2.5 Gbps speed, faster than standard Gigabit
+RJ45 port works with standard Ethernet cables
+Low-profile design fits compact cases
$25.99
as of 11/04/2026 21:10 PST - Details
OLurkthu

2.5 Speed, PCIe, RJ45, Intel

+2.5 Gbps speed for faster wired networking
+Intel I226V chip listed
+PCIe interface fits desktop motherboards
$23.79
as of 11/04/2026 21:10 PST - Details
ULANSeN

2.5 Speed, PCIe, RJ45, Intel

+2.5 Gbps speed, faster than standard gigabit
+Intel I226-V chip
+RJ45 port for standard Ethernet cables
$23.99
as of 11/04/2026 10:06 PST - Details
Peilinze

2.5 Speed, Intel

+Supports 2.5Gbps network speed
+Built on an Intel networking chip
+Uses an I225 and I226 chipset adapter
$23.99
as of 11/04/2026 10:07 PST - Details
QNAPSpec score 8.9

2.5 Speed, 2 Ports, PCIe, RJ45

+Two RJ45 ports for 2.5 Gbps Ethernet
+Intel chip for wired networking
+Uses a PCIe x2 interface
No price recorded yet.
StarTech.comSpec score 8.6

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
No price recorded yet.
LinksTek

2.5 Speed, PCIe, RJ45, Intel

+2.5 speed: the highest speed of the 114 here
$22.99
as of 11/04/2026 21:10 PST - Details
XikeStor

2.5 Speed, PCIe, RJ45, Intel

+2.5 speed: the highest speed of the 114 here
$16.99
as of 11/04/2026 10:06 PST - Details

Compare specs

network cardSpeedInterfacePort typeControllerSpec scorePrice
2.5PCIeIntel8.6$24.99
as of 11/04/2026 21:11 PST - Details
2.5PCIeRJ45Inteln/a$193.90
as of 11/04/2026 10:07 PST - Details
2.5M.2RJ45Inteln/a$51.89
as of 11/04/2026 21:10 PST - Details
2.5PCIeRJ45Intel9.5No current price
2.5M.2RJ45Intel8.6No current price
2.5PCIeRJ45Intel8.9$210.14
as of 11/04/2026 10:07 PST - Details
2.5Inteln/a$95.81
as of 11/04/2026 10:07 PST - Details
2.5PCIeIntel9.5No current price
2.5M.2RJ45Inteln/a$51.60
as of 11/04/2026 21:10 PST - Details
2.5M.2RJ45Inteln/aNo current price

Before you buy

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