USB thumb driver slower then HD

Discussion in 'Mac Basics and Help' started by crazycat, Aug 28, 2009.

  1. crazycat macrumors 65816

    crazycat

    Joined:
    Dec 5, 2005
    #1
    Why does it take 15 secs to copy a 400 MB file onto my portable usb 2.0 500 GB hard drive and 1 min to copy the same file to my usb 2.0 thumb drive?
     
  2. TEG macrumors 604

    TEG

    Joined:
    Jan 21, 2002
    Location:
    Langley, Washington
    #2
    Because rarely do the thumb drives fully support USB 2.0, nor do they have any cache, whereas HDs have cache to keep transfer rates up.

    TEG
     

Share This Page