USB 3.0 to Gigabit Network Adapter - Silver

Add a Gigabit Ethernet port to your MacBook, Chromebook or tablet. Gain fast, reliable network access for your MacBook, Chromebook™ or tablet, even if it doesn’t have an Ethernet port. This USB 3.0 to Gigabit network adapter adds a single RJ45 Ethernet port to your computer through your USB 3.0 port. It installs instantly - with no driver required.

Sleek, silver design looks great with MacBook or Chromebook

Engineered with a quality aluminum housing in a silver finish, the network adapter is the perfect companion for your MacBook, Chromebook or tablet. Compact and portable, this USB network adapter is the ideal laptop accessory. You don’t have to carry a power adapter with you to use it, because it’s powered directly from the host USB port.

Powerful Gigabit network connections

Ideal for office or home use, the USB 3.0 network adapter supports full Gigabit bandwidth by harnessing the performance of USB 3.0 (5 Gbps). You can quickly access very large files over a Gigabit network, saving valuable time every day. The Realtek chipset gives you the assurance of reliable performance.

Native driver support makes installation easy

Get up and running quickly. Simply plug this Ethernet cable adapter into the USB port on your laptop and connect to your network. The network adapter chipset provides native driver support, so you don't have to worry about installing additional software.

The USB31000SA is backed by a 2-year warranty and free lifetime technical support.

Manufacturer Part Number
Full Product Specifications


  • The full product specifications below are from the manufacturer and may contain information related to other package quantities that will not apply to the product that you are reviewing. Please confirm the actual content and/or package quantity from the main product specifications page.
  • These specifications may represent the entire product series/model/line to which this product belongs with specific configuration differences between the individual products stated.
  • These specifications may have been copied from the same product in other region/country in which case there might be minor differences in region-specific data such as Input Voltage, Terms of Warranty etc.

Warranty Information

  • Warranty: 2 Years
  • Bus Type: USB 3.0
  • Chipset ID: Realtek RTL8153
  • Industry Standards: IEEE 802.3 10BASE-T, IEEE 802.3ab 1000BASE-T, IEEE 802.3u 100BASE-TX and IEEE 802.3X Full Duplex
  • Interface: USB 3.0
  • Ports: 1
  • Auto MDIX: Yes
  • Compatible Networks: 10/100/1000 Mbps
  • Full Duplex Support: Yes
  • Jumbo Frame Support: 9K max.
  • Max Distance 100 m / 330 ft
  • Maximum Data Transfer Rate: 2 Gbps - Full Duplex Gigabit Ethernet
  • Surge Protection: Yes
  • Type and Rate: USB 3.0 - 5 Gbit/s
  • Connector Type(s)
    • 1 - USB 3.0 A (9 pin; SuperSpeed) Male
    • 1 - RJ-45 Female
  • OS Compatibility: Windows® 8.1 (32/64bit), 8 (32/64), 7 (32/64), Vista(32/64), XP(32/64), CE, ME, Embedded, 98SE Windows® Server 2012, 2008 R2, 2003(32/64) Mac OS® 10.6 - 10.10 - VLAN tagging is currently not supported in Mac OS Linux Kernel 2.6.25 - 3.17.0 Google Chrome™ OS
Physical Characteristics
  • Color: Silver
  • Enclosure Type: Aluminum
  • Product Height: 0.7 in [17 mm]
  • Product Length: 2.6 in [65 mm]
  • Product Weight: 1.3 oz [38 g]
  • Product Width: 1 in [25 mm]
IndicatorsLED Indicators:
  • 1 - Power - blue
  • 1 - Link - green
  • 1 - Activity - amber
  • Humidity: 20% ~ 90%
  • Operating Temperature: 0°C to 70°C (32°F to 158°F)
  • Storage Temperature: -55°C to 125°C (-67°F to 257°F)
Packaging Information
  • Shipping (Package) Weight 1.2 oz [35 g]
What's in the Box
  • Included in Package:
    • 1 - USB 3.0 Gigabit NIC
    • 1 - quick install guide