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  • paranoid, before answering you might want to have a look here: wdc.custhelp.com/app/answers/detail/a_id/1397
    – hookenz
    Commented Jul 27, 2011 at 22:42
  • @Matt H: I think that information is irrelevant to anybody not using a enterprise-class hardware RAID controller (read more closely), but it would be relevant to companies looking to cutting costs too much.
    – paradroid
    Commented Jul 27, 2011 at 22:49
  • The biggest difference is TLER, and that the desktop drives or green drives have been known to be too slow. The software RAID/fakeraid believes this is a drive failure and drops the drive. AFAIK, the biggest difference between the WD RE* seems to be the firmware.
    – Zoredache
    Commented Jul 27, 2011 at 23:10