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RJ45 Network Cards

All Network Cards

473 RJ45 network cards from StarTech.com, Fentency, UGREEN and more. Most cost $6 to $108, and half cost less than $17.

Top brands: StarTech.com (10)UGREEN (9)Renkforce (8)BrosTrend (6)TP-Link (5)Wisoqu (4)

All filtersFilters (1)×
Port type: RJ45  ×Clear all
BrandFentency11StarTech.com10UGREEN9Renkforce8Jauarta7BrosTrend6Cable Matters6Wavlink6
Show all 40Glaeptio5TP-Link5ULANSeN5Acer4Eacam4F Fenvi4HP4Nicgiga4Sanpyl4Sonnet4Synology4TRENDnet4Uni4Wisoqu410Gtek3Ablewe3Benfei3Bloepum3Cudy3Gugxiom3H!Fiber.com3Homsfou3Intel3Kelvix3Lenovo3QNAP3Sabrent3Stephencho3Yoidesu3Yuehisy3ASUS2Bzizu2
Speed114410792.5740.144520
Ports2351294113351
InterfaceUSB283PCIe111M.212Thunderbolt4PCI2
Port typeRJ45473
ControllerRealtek72Intel53Marvell (Aquantia)17ASIX4Broadcom1
PriceUnder $25263Under $50329Under $75357Under $100370Under $15052Under $20019Under $25014Under $3008
Show all 15Under $4005Under $5003Under $7002Under $9001Under $4,0003$25 & above150$100 & above43
Clear allShow 473 Network Cards
Port type: RJ45  ×473 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
Generic

USB, RJ45

+Connects to a network through an RJ45 Ethernet port
+Uses a USB 2.0 connection, so no internal slot is needed
$19.99
as of 11/04/2026 06:06 PST - Details
GinTai

RJ45

+Adds a wired RJ45 Ethernet port to compatible Lenovo ThinkPad models
+Designed for ThinkPad X280, X390, X395 and X1 Yoga models
$10.99
as of 11/04/2026 06:05 PST - Details
GinTai

RJ45

+Adds a wired RJ45 LAN port to compatible Lenovo ThinkPad models
+Designed for ThinkPad X280 and X1 Carbon 6th Gen models
$10.01
as of 11/04/2026 05:11 PST - Details
Huasheng Suda

RJ45

+Provides an RJ45 port for a wired Ethernet connection
+Named as a cable replacement for several Lenovo ThinkPad models
−Lists no bus interface, so the connection to the computer is unstated
$14.01
as of 11/04/2026 06:05 PST - Details
Hurrise

USB, RJ45

+Connects a USB port to a wired RJ45 Ethernet network
+Adds a wired network connection without a built-in Ethernet port
−Wired connection only, no wireless networking support
$9.65
as of 11/04/2026 03:07 PST - Details
Kopinma

RJ45

+Uses an RJ45 port to connect standard Ethernet cables
+Compatible with CAT5 and CAT6 network cable types
−Shares a VGA-style name that may confuse video buyers
$7.59
as of 11/04/2026 06:05 PST - Details
Peilinze

RJ45

+Provides RJ45 Ethernet ports for network testing
+Includes triple connectors for multiple connections
$8.98
as of 11/04/2026 02:10 PST - Details
Yosoo Health Gear

USB, RJ45

+Adds an RJ45 Ethernet port through USB
+Connects through a Micro USB port
$9.89
as of 11/04/2026 03:09 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.
EuqvosSpec score 9.5

10 Speed, PCIe, RJ45, Intel

+10 speed: the highest speed of the 361 here
+SR-IOV: only 6 of 473 here have one
$119.99
as of 11/04/2026 03:07 PST - Details
LemspumSpec score 9.0

10 Speed, 2 Ports, PCIe, RJ45

+10 speed: the highest speed of the 361 here
+SR-IOV: only 6 of 473 here have one
$108.99
as of 11/04/2026 03:06 PST - Details
Syxbtnqg

10 Speed, RJ45

+10 speed: the highest speed of the 361 here
$1,351.42
as of 11/04/2026 03:09 PST - Details
Rielincard

10 Speed, PCIe, RJ45, Marvell (Aquantia)

+10 speed: the highest speed of the 361 here
$59.99
as of 11/04/2026 03:06 PST - Details
IO Crest

2.5 Speed, PCIe, RJ45, Realtek

+2.5 speed: 188 of the 361 here have a lower speed
$68.99
as of 11/04/2026 03:07 PST - Details
Sabrent

2.5 Speed, USB, RJ45, Realtek

+2.5 speed: 188 of the 361 here have a lower speed
$24.49
as of 11/04/2026 03:08 PST - Details
XikeStor

2.5 Speed, PCIe, RJ45, Intel

+2.5 speed: 188 of the 361 here have a lower speed
$16.99
as of 11/04/2026 10:06 PST - Details
NicgigaSpec score 8.2

10 Speed, 2 Ports, PCIe, RJ45

+10 speed: the highest speed of the 361 here
+2 ports: only 15 of 79 here have more ports
No price recorded yet.
NicgigaSpec score 8.0

10 Speed, 1 Ports, PCIe, RJ45

+10 speed: the highest speed of the 361 here
−1 ports: 50 of the 79 here have more ports
No price recorded yet.

Compare specs

network cardSpeedInterfacePort typeSpec scorePrice
USBRJ45n/a$28.99
as of 11/04/2026 02:10 PST - Details
USBRJ45n/a$19.99
as of 11/04/2026 06:06 PST - Details
RJ45n/a$10.99
as of 11/04/2026 06:05 PST - Details
RJ45n/a$10.01
as of 11/04/2026 05:11 PST - Details
RJ45n/a$14.01
as of 11/04/2026 06:05 PST - Details
USBRJ45n/a$9.65
as of 11/04/2026 03:07 PST - Details
RJ45n/a$7.59
as of 11/04/2026 06:05 PST - Details
RJ45n/a$8.98
as of 11/04/2026 02:10 PST - Details
USBRJ45n/a$9.89
as of 11/04/2026 03:09 PST - Details
RJ45n/aNo current price

Before you buy

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Popular filters

Network Cards under $100804Network Cards under $75762Network Cards under $50707Network Cards under $25546USB Network Cards473PCIe Network Cards320Network Cards with Intel Controllers2071 Gbps Network Cards199

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