? drives can dasiy chain TB ports before speed drop

Discussion in 'iMac' started by xgman, Feb 12, 2013.

  1. xgman macrumors 601

    xgman

    Joined:
    Aug 6, 2007
    #1
    Realistically, (not theoretically) how many thunderbolt drives daisy chained to one TB port before there is even a minor effect on performance as compared to 1 or 2 drives per each TB port?
     
  2. simsaladimbamba

    Joined:
    Nov 28, 2010
    Location:
    located
    #2
    Depends on what kind of drives are connected. If you have six S-ATA 6.0 Gbps (S-ATA III) SSDs in six TB enclosures, you probably see a decrease with more than two drives.
    If you only use HDDs, which cannot even saturate S-ATA 1.5 Gbps (S-ATA I), using six HDDs in six TB enclosures will not get you any slowdown due to the TB limit not even being said hello to.
     
  3. xgman thread starter macrumors 601

    xgman

    Joined:
    Aug 6, 2007
    #3
    4 Velcoiraptor 1TB drives. 2 in each enclosure if piped on a single TB port instead of one on each port.
     

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