Hybrid hdd in external case over USB

08
2014-07
  • Petr Abdulin

    I'm using external 2.5" drive in USB box like this and I wonder if using hybrid SSD would gave improvement in speed. Will it function and use it's cache properly if it's connecter using USB?

    I understand that USB has it's own limitation in speed, my only question is direct SATA connection is required for hybrid drive to function properly, i.e. it will properly use flash memory to cache most used sectors.

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    windows xp - External hard drive not connecting USB
  • DeadHead

    I recently bought a Western Digital 1 TB Black hard disk drive (HDD). Upon realizing that I didn't have that extra SATA cable lying around, I put it in my external USB case until I could buy a SATA cable.

    The problem is that Windows XP does not always recognize the HDD. Sometimes it connects perfectly fine, sometimes it will only be recognized as a USB device which can't be used, and other times, it is recognized, but the read/write light on the case is constantly on, and it doesn't mount properly.

    I haven't been able to notice any kind of pattern either, and have also tried multiple USB ports.

    What could be going on here? What should I check?


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  • splattne

    Here is a comprehensive list of things you could try:

    Troubleshoot: Windows Won't Recognize USB Hard Drive / Fix Unassigned Drive Letter

    I personally had problems with some USB controllers on certain machines which didn't provide enough juice to power the disk. There a special cables with two USB connectors which work on such machines.