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Koutech > 
Item#: N82E16815201060

Koutech 4-Port SuperSpeed USB 3.0 PCI Add-On Card Model IO-PU430

  • PCI to USB 3.0 Card
  • 480/12/1.5 Mbps Data Transfer Rate
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Learn more about the Koutech IO-PU430




PCI to USB 3.0 Card
External USB Ports
4 x USB 3.0 Ports
Data Transfer Rate
480/12/1.5 Mbps
Operating Systems Supported
Windows XP /Server 2003 / Vista /Server 2008 / Windows 7 /Windows 8

(Supports both 32-bit & 64-bit OSes)


Compliant with PCI Specification 3.0

USB 3.0 complies with Intel eXtensible Host Controller Interface (xHCI)

Four (4) external 5Gbps SuperSpeed USB 3.0 ports (*1)

Up to 2.133Gbps maximum transfer rate (*1)

SuperSpeed USB 3.0 is backwards compatible with USB 1.0/1.1/2.0 devices (data transfer rate at 1.5/12/480Mbps)

SuperSpeed USB 3.0 is fully compatible with original USB system, peripherals and cables

Built-in with both 15-pin SATA power connector & mini 4-pin power connector for added power source to better support power hungry bus-powered devices (*2)

Ideal connection for digital cameras, scanners, printers, external CD/DVD/Blu-ray writers, hard disk drives, flash memory drives and etc.

Fully Plug-N-Play and Hot Swap compatible

System Requirements:
PC with 512MB of RAM and 1.0GHz or faster processor
One (1) available PCI 2.x or 3.x slot

*1 PCI 2.x & 3.x slots will max out at 2.133Gbps. To meet available maximum transfer speed, high quality USB 3.0 cables and devices are required
*2 Make sure the power is well connected, otherwise you will see a "Power Surge on Hub Port" message error and no 5V bus power in USB ports)

Quick Info


  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years

Customer Reviews of the Koutech IO-PU430

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  • Kasey K.
  • 12/10/2013 10:59:56 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggs It works, but...

Pros: - It functions.
- In principle, it would be nice for older computers or when you've run out of PCIe.
- USB 3.0 is fast.

Cons: - This card, however, isn't fast (and I kinda figured this would happen going in).
- Vertical USB slots are an interesting choice, but only just barely allow access in my case.

Other Thoughts: On a 66MHz PCI bus, this probably could keep up, but mine transferred just as fast (~30MBps) on the built in USB 2.0 on the computer I was intending to use it in.

Before you ask: yes, I did set the jumper to 66MHz mode, didn't make a difference. No, there were no other PCI cards installed. Yes, I had power running to it.

Time for my first Newegg RMA (out of a dozen orders).

1 out of 2 people found this review helpful. Did you? Yes No

  • David W.
  • 8/27/2013 12:28:35 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsWorks great on old pc

Pros: 4 extra usb 3.0 ports! Fits in a small form factor case and includes half height adapter plate. NEC chip reliability.

Cons: Not true usb 3.0 speed due to the limitations of the PCI bus itself(so not really a con)

Other Thoughts: The PCI bus can only transfer data at 1.5gbps max. and that depends on what flavor of PCI is on your mobo. So don't expect to get 5gbps speed from this card. I use this with the Buffalo turbo pc and turbo copy with my 1TB external usb 2.0 and 3.0 hard drives and my data transfer speed has more than doubled since installing this card. In order to install this card correctly in windows XP do not let windows install the driver automatically! Instead insert the cd and manually navigate to the USB 3.0 host folder, then open the NEC folder and double click the installer program. Restart the computer and you should be good to go.

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

  • David M.
  • 3/30/2013 3:45:37 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week

3 out of 5 eggsPCI slot speed

Pros: Has 4 ports.

Cons: Can't do USB 3.0 speeds, by design.

Other Thoughts: Be aware this USB 3.0 PCI Add-On Card is using the PCI bus. Not PCI-express x4 or x16. So it's limited to PCI speeds. Don't expect a lot of speed.

PCI express x1 is not fast enough either.
Look for PCIe x4 or x16 to have enough bandwidth.

4 out of 5 people found this review helpful. Did you? Yes No

  • John S.
  • 11/18/2012 10:13:25 AM
  • Tech Level: Somewhat High
  • Ownership: less than 1 day
  • Verified Owner

2 out of 5 eggsSpeed Problem

Pros: Easy to install.

Cons: For some reason, I'm not getting USB 3.0 speed with a Western Digital My Passport external hard drive (the only USB 3.0) device I own. When I plug My Passport into the card, a message appears on the monitor, telling me the My Passport device will give faster speed if I plug it into a USB 3.0 port. That's what I plugged it into.

The Device Manager shows the USB 3.0 card is installed and working properly. Have not yet figured out why it's not giving fast speed. If it would do that, I'd rate this product with 5 Eggs.

1 out of 2 people found this review helpful. Did you? Yes No

  • Ioannis K.
  • 10/21/2012 10:27:16 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggsJust BAD

Pros: It looks nice and the idea is cool...

Cons: It is basically not working. I connected it to an empty PCI slot, connected the power cable (tried both SATA and the floppy power cable), installed the provided drivers (which by the way installed "successfully") and everything looked awesome until I connected anything to the USB 3.0 ports (any USB device not only high speed devices; I connected more than 10 different devices). Then, following few seconds, a message appears that basically it cannot recognize whatever I connected to the device. Device manager says that the device cannot start. I spent a full weekend trying to figure this out but I am DONE. I am sending it back...

Other Thoughts: Just do not buy it...

2 out of 2 people found this review helpful. Did you? Yes No

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Item#: N82E16815201060
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