Skip to content


Your cart is empty

USB Ethernet Adapter

USB 3.0 GigaLinq - Gigabit Ethernet Adapter over USB

Gigabit Plug-N-Play USB-A
MPN: GUC3100

UPC: 881317511959

Sale price$29.95

The USB 3.0 GigaLinq Ethernet Adapter plugs into your MacBook Air, Ultrabook, Microsoft Surface, Chromebook, or other laptop's USB 3.0 port and allows you to connect a standard RJ-45 Ethernet cable to deliver Internet and network access at up to Gigabit (1000Mbps) speed.

USB 3.0 GigaLinq - Gigabit Ethernet Adapter over USB
USB 3.0 GigaLinq - Gigabit Ethernet Adapter over USB Sale price$29.95
Fast and Easy Ethernet Connectivity

Add a wired Gigabit Ethernet to your laptop or desktop with the IOGEAR GUC3100 USB 3.0 Gigalinq Ethernet Adapter. Enjoy high-speed, reliable network connections for faster file transfers, and smoother streaming. This compact adapter is perfect for Chromebooks, Macbooks, and other laptops that lack a built-in Ethernet port. Plus, with USB bus power, you won't need an external power supply.

Works with Chromebook

Chromebook users no longer have to rely on a Wi-Fi connection to keep them online. Plug any wired Ethernet connection into IOGEAR's USB 3.0 GigaLinq Ethernet Adapter and then plug it directly into a USB port on Chromebook. That's it! No driver installation needed, just plug and play!

Unleash Blazing Speeds

Dominate the competition with wired reliability. Ditch Wi-Fi woes and experience lag-free gaming with the IOGEAR GUC3100. This USB 3.0 Gigalinq Ethernet Adapter delivers ultra-fast, wired Gigabit Ethernet connectivity.

Compact Design

No need to sacrifice valuable desk space for peak performance. The GUC3100 boasts a compact, ultra-portable design that easily slips into your pocket, backpack, or laptop bag. Take wired Gigabit Ethernet on the go!

  • Bring Gigabit network connection speed to devices without an Ethernet port using a SuperSpeed USB 3.0 connection
  • Turn your USB 3.0 port into a Gigabit (10/100/1000Mbps) connection
  • Powered by USB, no external power supply needed
  • Perfect travel companion for MacBook® Air, Ultrabook®, Microsoft Surface™, Chromebook™ or other laptop
  • Compact design slips easily into any computer bag, backpack or briefcase

Ultrabook is a trademark of Intel Corporation in the U.S. and/or other countries. Microsoft and Surface are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries. © 2015 Google Inc. All rights reserved. Chromebook™ is a trademark of Google Inc.

  • PC
  • Windows® Vista, Windows® 7, Windows® 8, Windows® 8.1, Windows® 10 
  • USB 3.0 port
  • Mac
  • Mac OS 10.7-10.15
  • USB 3.0 port
  • 1 x GUC3100 USB 3.0 GigaLinq
  • 1 x Installation CD
  • 1 x Quick Start Guide
  • 1 x Warranty Card

GUC3100 Mac Driver Download

Mac OS 10.15 (Catalina)

GUC3100 Windows Driver Download

Windows 8 32-bit
Windows 8 64-bit
Windows 8.1 32-bit
Windows 8.1 64-bit

Need more help with this product? Visit IOGEAR Knowledge Base

Connectors (Input)RJ45
Connectors (Output)USB A 3.0
On LineGreen Light On: Ready to Link, Yellow Light Flashing: Data is Transmitting
Transfer Rate10/100/1000Mbps
Network Protocol10/100/1000 MB LAN
Network InterfaceRJ-45 Ethernet 10base-T/100base-TX/1000base-T
Operating System SupportWindows® Vista, Windows® 7, Windows® 8, Windows® 8.1, Mac OS X 10.7+
Operation Temperature50F - 104F
Storage Temperature14F - 176F
Power ModeUSB Bus Power 5V
Unit Dimensions
Height0.82" (2.1cm)
Length11.45" (29.1 cm)
Depth1.14" (2.9 cm)
Inner Pack
Height3.74" (9.5cm)
Length1.37" (3.5cm)
Width9.05" (23cm)
Inner Pack Qty.6
Unit Package Dimensions
Height3.7" (9.5cm)
Width5.51" (14cm)
Depth1.37" (3.5cm)
Master Carton
Height10" (26cm)
Width18.8" (48cm)
Depth7.2" (18.5cm)
Master Carton Qty.24
Master Carton Wt.6.6 lbs (3 kg)
Inner Pack Wt.1.65lb (0.75 kg)
Unit Pack Wt.0.20lb (0.09kg)
Unit Wt.0.10lb (.045kg)