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Item#: N82E16817364032

Koutech IO-HU431 4-Port SuperSpeed USB 3.0 External Hub

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  • 4 x USB 3.0
  • USB 3.0

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  • Specifications
  • Warranty & Returns
  • Reviews

Learn more about the Koutech IO-HU431




USB 3.0
Max Devices Supported
4 x USB 3.0
Transfer Rate
Operating System Supported
Windows XP / Server 2003 / Vista / Server 2008 / 7 / Linux & Mac OS
Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years
  • Read full details

Customer Reviews of the Koutech IO-HU431

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  • Robert M.
  • 3/28/2011 3:19:23 PM
  • Ownership: 1 day to 1 week
  • Verified Owner

2 out of 5 eggsunderpowered

Pros: After much struggling it works.

Cons: This unit has a 12v@2amp external power supply which is always on. Four ports of USB 3.0 require 3.6amps (900ma/each) @ 5 volts, thats 18 watts total. The external supply supplies 24 watts. The onboard electronics uses about 2 watts. This requires the onboard step-down switcher to be 83.33% efficient which it is not. This results in a BSOD condition which I got many times. To prove the point I hooked an external supply rated at 12v@3.5amps. No more BSOD.

Other Thoughts: Unless you have have an engeering background, as I do, I wouldn't recommend this.

3 out of 3 people found this review helpful. Did you? Yes No

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Item#: N82E16817364032
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