Search All UNICOM Global Sites

shopping_cart_icon.gif Where to Buy     region_icon.gif Change Region

Latest News
7.1.2014 :: UNICOM® Global Acquires solidDB® from IBM® Corp.
6.30.2014 :: UNICOM® Acquires Visual and Unified Communications Solutions Business Unit
5.27.2014 :: Telit m2mAIR Mobile to Deliver Global Out-of-the-Box 3G Connectivity to USRobotics® Customers
5.19.2014 :: UNICOM® Global Acquires Firetide® Wireless Network Expert
3.31.2014 :: UNICOM® Global Acquires Assets of Memeo, Inc.

USB 3.0 Super Speed 4-Port USB Hub

Blazing Fast data transfer with USB 3.0

Warning: file_get_contents( failed to open stream: HTTP request failed! HTTP/1.0 404 Not Found in /u1/memeo/unicom_websites/ : eval()'d code on line 3



USB 3.0 - the new standard

  • Connect any USB 3.0 device to your computer
  • Compatible with USB 3.0 specification
  • Backwards compatible with USB 2.0/1.1 devices

Get the speed you need

  • Super Speed transfer rates up to 5 Gbps
  • Up to 10 times faster than USB 2.0
  • Each port detects native USB speed and transfers data at the maximum rate for each port

Powered USB Ports

  • Each port provides up to 900 mA of power when plugged into outlet
  • Ideal for power hungry USB devices

Easy Install

  • Plug & Play
  • Hot Swappable


  • Add USB 3.0 connections to a desktop that may only have USB 2.0 or 1.1
  • Expand USB connections by adding additional USB ports
  • Connect additional peripherals such as external hard drives, printers, scanners, digital cameras, video cameras, video surveillance cameras, video display solutions, media devices, etc.


Specifications & Standards


  • Compliant with Universal Serial Bus 3.0 Specification Revision 1.0


  • 1 USB 3.0 Type B Female port (upstream)
  • 4 USB 3.0 Type A Female ports (downstream)
  • Power Supply: 5V 4A
  • Voltage: 100-240V/ 50Hz-60Hz
  • Output Current: 5V 4A


  • Temperature: Operating Temperature conditions: 0 to 40 degrees C, Non-Operating Temperature conditions: -10 to 85 degrees C
  • Humidity: Operating Humidity conditions: 20% to 80% non-condensing, Non-Operating Humidity conditions: 5% to 95% non-condensing


  • FCC approved (Part 15 Class B)
  • CE approved (Class B)

Package Dimensions/Weight

  • 8.5 x 6.25 x 4.188 in.
  • .95 lb

Product Dimensions

  • 3.98 x 2.46 x .93 in.
  • .18 lb

Minimum System Requirements

  • System with available USB port

Operating Systems

  • Hub is operating system independent and is compatible with all current Windows®, Macintosh, and Linux operating systems

Package Contents

  • USRobotics 4-Port USB 3.0 Hub
  • DC Power Supply Unit
  • USB 3.0 cable (3 ft)
  • User Manual

Product Numbers

  • USR8400
  • USR808400

Warranty Information

One-year limited manufacturer warranty from date of purchase. Click here for full warranty information.

Support & Documentation

Support Page

Thumbnail Title Size Type
Installation Guide 225.47 KBPDF
Data Sheet 1,075.30 KBPDF
Declaration of Conformity 80.45 KBPDF



Note: USB 3.0 super speeds are achieved when used with USB 3.0 compatible devices and cables.