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  1. #1
    5 Star Lounger
    Join Date
    Jan 2001
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    usb hard drive case question

    I have a 40 GB hard drive (ide) that I would like to use as an external USB hard drive. So I will need to buy a case. What kind of specs should I be looking for? My hard drive measures 4 inches by 5 3/4 inches by 1 inch. When I do a search, there is references to a 2.5 inch and a 3.5 inch and a 5.25 inch case?? Thanks for your help.

  2. #2
    Gold Lounger Rebel's Avatar
    Join Date
    Jul 2001
    Thanked 1 Time in 1 Post

    Re: usb hard drive case question

    Your drive is probably a 3.5" drive. When speaking of 2.5, 3.5 & 5.25" drives, the reference is to the diameter of the platter, NOT the dimensions of the drive itself. The standard size of a 3.5" drive is: Length - 5.75", Width - 4.0". Ensure that whatever case you purchase is IDE compatible (i.e. includes an IDE to USB adaptor), otherwise you may have to purchase a separate IDE to USB adaptor. As well, even with USB2.0, the transfer rate will be slower than the native IDE mode.

    As an alternative, you might want to consider the purchase of a completely new external USB drive. 7200 rpm 80 GB external USB 2.0 drives are available for about $120 US.
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