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JUH345 USB 3.0 4-Port Harmonica HUB

  • $ 3999

Free shipping on all domestic orders!

About this Product

The JUH345 high-performance USB 3.0 4-Port Harmonica HUB allows up to four USB 3.0 devices to be connected simultaneously at a transmission speed of 5 Gbps, while still providing connectivity and support for USB 2.0 (480 Mbps) and 1.1 (12 Mbps) devices. It works with high-bandwidth SuperSpeed USB 3.0 devices, such as external disk drives, high-resolution webcams, video surveillance cameras, digital video cameras, multi-channel audio and more. In addition, it supports fast charging B.C v1.2 up to 2A for smart phones, tablets and iPads.

Product Features

  • USB 3.0 SuperSpeed, 10 times faster transfer rate (5 Gbps), backwards compatible with USB 2.0 and 1.1 specifications
  • Extends your device by 4 USB 3.0 ports with only one plug
  • Supports USB bus-powered or DC self-powered USB devices
  • Supports fast charging for smart phones, tablets, and iPads up to 2A
  • Elegant, compact aluminum housing that is non-toxic and recyclable

Product Support

At j5create we strive to maintain 100% customer satisfaction and functionality, no matter what product or system you may have. We have a dedicated technical support specialists waiting to assist you and your specific needs.

Call Us: 888-988-0488
Email Us:
Ticket System: Open a Ticket

Product Specifications


Power Mode


Power Adapter

Input: AC 100-240V, 50 - 60 Hz
Output: DC 5V/2A

Host (2)

Upstream Port

USB 3.0 Micro B Female connector


USB 3.0 Micro B to Type A (60 cm)


Downstream Port

USB 3.0 Type
* Female Connector * 3 ports
* Female Connector with Battery Charge * 1 port
(Supports B.C v1.2 fast-charging up to 2A)

Physical Specifications

Housing Material

Aluminum and ABS


Main body: 36(W)x21.5(H)x111.5(L) mm


61 g


System Requirements

  • Microsoft Windows 8.1 / 8 / 7 / Vista / XP / 2000 / Windows Server compatible
  • Mac OS X 10.6 / 10.7 / 10.8 / 10.9 / 10.10
  • Linux OS
  • Available USB port (USB 3.0 is recommended) and backwards compatible USB 2.0 and 1.1

Package Contents

  • JUH345 USB 3.0 4-Port Harmonica HUB
  • USB 3.0 cable 
  • Power Adapter 
  • Quick Installation Guide

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