Slow hard drive

For some reason my hard drive randomly "dies out" on me, where it gives me LOW read and write access. Shutting down my pc for an hour or 2 fixes the problem, but that isn't really optimal.

Any one can give me some tips to how I can find out why it does this?
The drive is new and I have returned it and revived a new one so its not the drive that's bad.
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  1. Hi and welcome to Tom's forum.

    Did you tried in another SATA port?
  2. Have now and no real improvement.

    However on further inspection I noticed this:

    HD Tune Pro: ST31000528AS Health
    ID                                  Current  Worst    ThresholdData        Status   
    (C7) Ultra DMA CRC Error Count      200      156      0        14918       warning
    Health Status         : warning
    There were communication errors. This may be caused by a damaged cable.

    So this is the cult pit I have been after? A bad cable?
  3. Try with another cable, but I think that problems is the HD
  4. I have now tried 3 different cables and 1 new one.

    All the same.

    I also tried moving the hard drive to my old computer. I did not experience any slow down nor did that warning display.
    Both my hard drive displays Ultra DMA CRC Error warnings, through my C drive does not slow down.

    So could I have a bad motherboard?
  5. Yeah, the next option is the mobo.
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