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USB 3.0 card reader extremely slow read speed

  • Kingston
  • USB3
  • Components
Last response: in Components
September 2, 2012 4:34:35 AM

I got a new Kingston Media Card Reader USB 3.0; I attached this to my front USB 3.0 and the read speed is a painful 31 kbs to 50 kbs; I attached it to my rear USB 3.0 port and the speed remains the more of less the same.

I have about 571 MB (pic files to down load) its a CF card - Lexar Professional UDMA 4GB 300 x Speed card.

My desktop specs:

Windows 7 64 bit OS
Intel Core i7 2700K
OZC Solid 3 120 GB SSD
ASRock Z68 Extreme 4 - motherboard
This mother board has two USB 3.0 ports in the back and it also has 2 front USB 3.0 panel.

To test if my port were bad, I took the Kingston reader to work, and tested it on a USB 2.0 port and the pictures were downloaded at close to 30 - 35 MB/ sec.

I brought it back home and tested it again, the read speed comes at this time came 90 kbs to 101 kbs in both front and rear USB 3.0 ports.

Then I tried the reader on USB 2.0 ports, it read at 30 -35 MB/sec.

Is my USB 3.0 ports defective or is it the Kingston reader thats bad.

How do I confirm this, please let me know.


More about : usb card reader extremely slow read speed

September 2, 2012 8:28:38 AM

Have you installed any special USB3 superspeed driver from the CD?
September 2, 2012 3:23:23 PM

das_stig said:
Have you installed any special USB3 superspeed driver from the CD?

Yes, I have installed ASRock XFast USB, Version 3.01.14

(; it has two modes normal and turbo, its supposed to boost this the culprit, is this not ment for USB 3.0 devices?
September 3, 2012 9:08:38 PM

bumping up