3 Gigibit Neg Link Speed Early MBP in Optibay

Discussion in 'MacBook Pro' started by 8CoreWhore, Dec 24, 2012.

  1. 8CoreWhore, Dec 24, 2012
    Last edited: Dec 24, 2012

    8CoreWhore macrumors 68020

    8CoreWhore

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    #1
    ==== EDIT === As SPINK10 notes below, the 3 Gigibit speed IS the slower speed, so disregard. : )


    Hey all...

    I was under the impression that the optical bay SATA was limited to 1.5 Gigibit negotiated link speed in the early 2011 MacBook Pro's (mine is a 13"), as well as possibly other 2011's.

    I just put a Crucial M4 in there and now System Info is showing 3 Gigibit negotiated link speed.

    Maybe I've been looking at the wrong threads, but I have not expected this at all and am pleasantly surprised.

    So I post this here for FYI for whomever it may help and for general interest. :)
     

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  2. Spink10 macrumors 601

    Spink10

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    #2
    Depends upon when in 2011 it was produced - what is the read/write speeds?
     
  3. 8CoreWhore, Dec 24, 2012
    Last edited: Dec 24, 2012

    8CoreWhore thread starter macrumors 68020

    8CoreWhore

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    #3
    Purchase Date: 2/28/2011

    Did I just get lucky?

    Xbench has running for ten minutes... still on Thread Test... should it take this long?

    EDIT --

    Ok, I just cancelled Xbench, restarted it with just the Disk test. I know the M4 is not the fasted, but are these speeds normal for this setup?
     

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  4. Spink10 macrumors 601

    Spink10

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    #4
    3 Gigabit is sata II speeds - 6 Gigabit is sata III
     
  5. 8CoreWhore thread starter macrumors 68020

    8CoreWhore

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    #5
    Oh, that's right. Duh. I was thrown by seeing the negotiated link speed jump from 1.5Gigibit to 3 Gigibit. :eek: :p

    I wonder how much this is crippling the M4?

    I have a new HDD cable on order for the original position, will put the drive in there when I get it.

    Then I'll put the OEM drive in the Optibay.
     
  6. Ploki macrumors 68010

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    #6
    only 2011 suffered from limited optical bay SATA speed?
     
  7. 8CoreWhore thread starter macrumors 68020

    8CoreWhore

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    #7
    That's my impression, but don't quote me.
     
  8. Spink10 macrumors 601

    Spink10

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    #8
    Well most were 1.5 - your is 3.0 - may run normal sata II speeds.
     
  9. 8CoreWhore thread starter macrumors 68020

    8CoreWhore

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    #9
    When my DVD drive was in there, that SATA bus showed 1.5 Gbps negotiated link speed.

    Reading through forums about that, I don't recall people saying it would change with a HDD.

    That's why I'm surprised to see that.
     
  10. davidlv macrumors 65816

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    #10
    Your xbench results seem good for a SATA II interface, should get better if you use the HD bay SATA III interface. Here are my SATA III results with n Intel 335 SSD in the HD bay.
     

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  11. 8CoreWhore thread starter macrumors 68020

    8CoreWhore

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    #11
    Thanks, David.

    The experience is so great now, amazing to think it will get better.
     

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