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4-Port Network Cards

All Network Cards

12 4-Port network cards from Lenovo and Sanpyl. Most cost $8 to $325, and half cost less than $181.

SanpylSpec score 7.9

5 Speed, 4 Ports, USB, RJ45

+Four ports for expanding a single USB connection
+Aluminium alloy body for a sturdy build
+Includes an RJ45 Ethernet port
−Ethernet port is listed at 100Mbps, below gigabit
$6.86
as of 11/04/2026 03:08 PST - Details
LpxlqklypSpec score 7.9

10 Speed, 4 Ports, RJ45, Intel

+Four RJ45 ports for four 10 Gbps connections
+Intel chip for a 10 Gbps network connection
+Uses standard RJ45 Ethernet cabling
−Short card form factor may not fit every case
$628.00
as of 11/04/2026 09:09 PST - Details
YrwygcgwySpec score 7.9

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.
RaxmoloSpec score 7.9

1 Speed, 4 Ports, USB, RJ45

+Four LAN ports for multiple wired connections
+Gigabit speed over USB 3.0
+USB interface connects without opening the computer
−Shares one USB connection across four ports
No price recorded yet.
LpxlqklypSpec score 7.9

10 Speed, 4 Ports, PCIe, RJ45

+Offers four 10 gigabit RJ45 ports on one card
+Uses an Intel X540-T4 chip for 10G networking
+Installs in a PCIe slot for desktop and server systems
$181.24
as of 11/04/2026 09:09 PST - Details
AkpzkyywnSpec score 7.9

1 Speed, 4 Ports, PCIe, RJ45

+Four RJ45 ports in a single card
+Intel 82576 chipset
+PCIe x1 interface fits smaller expansion slots
$275.20
as of 11/04/2026 10:07 PST - Details
ZopscSpec score 7.8

0.1 Speed, 4 Ports, USB, RJ45

+Four ports for expanding connections on a laptop
+Aluminum build for a sturdy housing
+Supports 100Mbps Ethernet over RJ45 ports
$13.02
as of 11/04/2026 06:05 PST - Details
GenericSpec score 7.9

10 Speed, 4 Ports, RJ45

+Four ports for multiple network connections
+RJ-45 ports use standard copper Ethernet cabling
+10 Gbps speed for common server networking
No price recorded yet.
SanpylSpec score 7.9

5 Speed, 4 Ports, USB, RJ45

+Four ports, including one RJ45 Ethernet port and three USB ports
+USB 3.0 interface for faster USB connections
+Aluminium alloy body for a sturdy build
−Ethernet port is limited to 100Mbps
−Ethernet port is 100Mbps, below gigabit speed
$8.47
as of 11/04/2026 11:07 PST - Details
AkpzkyywnSpec score 7.9

2.5 Speed, 4 Ports, PCIe, RJ45

+Four RJ45 ports in a single card
+PCIe interface for modern desktops and servers
+Realtek RTL8125BG and Intel i226 chipset options
$325.14
as of 11/04/2026 10:07 PST - Details
Juniper Networks

4 Ports, RJ45

+Offers four ports for connecting multiple wired devices
+Uses RJ45 connectors for standard Ethernet cables
No price recorded yet.
H!Fiber.comSpec score 7.9

1 Speed, 4 Ports, PCIe, RJ45

+4 ports: the most ports of the 35 here
−1 speed: 23 of the 32 here have a higher speed
No price recorded yet.

Compare specs

network cardSpeedPortsInterfacePort typeSpec scorePrice
54USBRJ457.9$6.86
as of 11/04/2026 03:08 PST - Details
104RJ457.9$628.00
as of 11/04/2026 09:09 PST - Details
2.54PCIeRJ457.9No current price
14USBRJ457.9No current price
104PCIeRJ457.9$181.24
as of 11/04/2026 09:09 PST - Details
14PCIeRJ457.9$275.20
as of 11/04/2026 10:07 PST - Details
0.14USBRJ457.8$13.02
as of 11/04/2026 06:05 PST - Details
104RJ457.9No current price
54USBRJ457.9$8.47
as of 11/04/2026 11:07 PST - Details
2.54PCIeRJ457.9$325.14
as of 11/04/2026 10:07 PST - Details

Before you buy

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