Second Drive in Mac Painfully slow?

Discussion in 'MacBook Pro' started by kieranread, Aug 24, 2014.

  1. kieranread macrumors newbie

    Joined:
    Apr 29, 2011
    #1
    I have a 2011 Macbook Pro i7, I decided to upgrade the main drive to an SSD and remove the CD tray, in its place I bought a caddy and wiped my drive to use it as storage, the speed of accessing that second drive is extremely slow, as in the speed's I have been getting were around 80 Read and 50 write (MB/s) I was not sure whether to put this down to the enclosure I bought or what, Any suggestions or whether I should upgrade to the OWC enclosure if that would make a difference!

    :(
     
  2. simonsi macrumors 601

    simonsi

    Joined:
    Jan 3, 2014
    Location:
    Auckland
    #2
    I think 80/50 is about right for a 5400rpm 500GB drive (or so), what speed do you think you were getting in the main drive bay?
     
  3. T5BRICK macrumors G3

    T5BRICK

    Joined:
    Aug 3, 2006
    Location:
    Oregon
    #3
    Agreed.

    OP, your optical drive interface may be SATA II instead of SATA III, but that isn't going to make a huge difference unless you absolutely need speed.
     
  4. simonsi macrumors 601

    simonsi

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    Jan 3, 2014
    Location:
    Auckland
    #4
    SATA 2 should still give ~200???
     
  5. T5BRICK macrumors G3

    T5BRICK

    Joined:
    Aug 3, 2006
    Location:
    Oregon
    #5
    Probably, but you're not likely to see speeds like that with a HDD.

    I was really just pointing out that the ODD SATA interface is going to be slower than the HDD interface.
     
  6. simonsi macrumors 601

    simonsi

    Joined:
    Jan 3, 2014
    Location:
    Auckland
    #6
    Yes sorry, just trying to be clear that he is getting the raw hdd speed, nothing else would be limiting it :)
     
  7. kieranread thread starter macrumors newbie

    Joined:
    Apr 29, 2011
    #7
    Sorry if what I said was not too clear! The drive speeds seem fine(After thinking about it that isnt too bad for a HDD lol), which is what I was thinking but accessing files via finder (So opening the drive and loading a folder) takes a lot of time, its not instantaneous like it used to be when the HDD was in slot 1

    As for SATA, I believe both are SATA 3 after checking system profiler

    Thanks for the help :)
     

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