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Front USB 3.0 ports running at USB 2.0 speeds

Tags:
  • Motherboards
  • USB3
  • Flash Drive
Last response: in Motherboards
June 2, 2014 12:37:31 PM

I have an ASRock Z87 Extreme4 motherboard and Corsair Carbide 200R case with 2 USB 3.0 front ports. The problem is that both USB 3.0 front ports run at USB 2.0 speeds when my USB 3.0 flash drive is plugged in. However, the flash drive runs at USB 3.0 speeds when plugged into the USB 3.0 ports on the back of the computer. I've installed USB 3.0 drivers and enabled USB 3.0 in the BIOS. The front port cables in the case are also plugged into the USB 3.0 ports on the motherboard. Does anyone know what could be the culprit?

The computer does show Intel (R) USB 3.0 eXtensible Host Controller in Device Manager for Windows 7 Professional SP1.

It's literally driving me crazy that I have to keep plugging the flash drive behind the computer to get USB 3.0 speeds.

More about : front usb ports running usb speeds

June 2, 2014 12:53:38 PM

check your mb wireing. make sure that your front pannel's 3.0 "wires" are actually pluged into the mb 3.0 ports
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June 3, 2014 9:04:20 AM

discovideo3 said:
check your mb wireing. make sure that your front pannel's 3.0 "wires" are actually pluged into the mb 3.0 ports


The front panel wire is a 20-pin USB 3.0 cable and it is connected to the front USB 3.0 port on the motherboard. USB 2.0 has a different connector so you can't really mix the two up. Thanks for the reply though.
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