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NZXT IU01 Internal USB Expansion Review

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If you are looking to expand your powered USB capabilities and perhaps move some external devices to the inside of the case, then look no further than the NZXT IU01 USB Expansion. You have three internal USB headers (allowing for up to six USB devices) and 2 external ports for standard USB devices. I found the two external ports to be the most useful, as you can move Bluetooth and wireless receivers to the inside of your case, freeing up precious ports on the outside, not to mention running all the gaming peripherals such as a wheel, pedals, joystick and more.

After using the IU01, it is clear no compromises were made when NZXT designed it. The black PCB and sleeved wiring guarantee a sleek and clean appearance in your case. The Molex power guarantees you will have enough power for any USB device that you plug in. The IU01 accomplishes all this, while maintaining the same USB performance as you would observe with on-board USB ports. After seeing all of the features and possible uses, the $20 price tag is just right. The NZXT IU01 USB Expansion will be a welcome addition to my personal setup.



  • Price
  • Easy to install
  • Expands internal USB connections
  • Adds external USB to the inside of the case
  • All ports are powered by the computer's PSU
  • No noticeable loss of performance
  • Sleeved wiring



  • None


OCC Gold

  1. Introduction & Closer Look
  2. Installation & Features
  3. Testing
  4. Conclusion
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