Real world Samsung SSD vs. OWC Aura Pro Express 6G

Discussion in 'MacBook Air' started by Mr Dobey, Feb 2, 2012.

  1. Mr Dobey macrumors 6502

    Joined:
    Aug 8, 2008
    #1
    2011 13" MacBook Air
    1.8GHz Intel Core i7
    4 GB RAM
    Lion 10.7.2

    Here's the Black Magic speed test results from my stock Samsung and than replaced by the OWC Mercury Aura Pro Express 6G.

    OWC is the left image, Samsung on right.

    The Performance photo is the specs from OWC's web site.

    Well OWC gave me the read speeds just as promised, so I'm happy about that but the write speed is WAY below the 454MB/s that they say.
     

    Attached Files:

  2. francis21 macrumors member

    Joined:
    May 2, 2011
    Location:
    Mississauga, ON, Canada
    #2
    By the way, do you experience any problems with your OWC Aura 6G when you go and close the lid of your MBA, and let it go to stand by and hibernation?

    I had to send my SSD twice already. And a forum member told me that hibernation is a problem for this drive.

    I just want to know your experience in regards to that. Thanks.

    (I'm sorry if it was abit out of topic. :) )
     
  3. VirtualRain macrumors 603

    VirtualRain

    Joined:
    Aug 1, 2008
    Location:
    Vancouver, BC
    #3
    Sandforce drives like those made by OWC rely on real-time compression to achieve their stated write speeds. It's possible (and likely) that Black Magic uses uncompressible data for it's write benchmark. If so, the write speeds you're seeing here are right in line with expectations.
     
  4. IngerMan macrumors 65816

    IngerMan

    Joined:
    Feb 21, 2011
    Location:
    Michigan
    #4
    I don't think I would say running a speed disk test constitutes "Real World" I wonder what speed difference you will notice in your weekly activity?

    I can see upgrading to the OWC going from a 64 or 128 GB drive to the higher OWC capacity. I have the 128GB Samsung and when or If I find I am approaching the 100 GB storage I would consider OWC.

    I would be disappointed as well seeing the speed test results after bumping up to the 6g speed price.
     
  5. KPOM macrumors G5

    Joined:
    Oct 23, 2010
    #5

    It's discussed here. I have an OCZ Vertex 3 that I use through a SATA II enclosure and eSATA port (through ExpressCard 34), and I get write speeds of about 75-120Mbps. It's the use of uncompressed data. Apparently, Samsung and Toshiba use faster NAND than OCZ.
     
  6. Mr Dobey thread starter macrumors 6502

    Joined:
    Aug 8, 2008
    #6
    faster NAND? but the write's are almost identical, considering that tests varies +/- 15MB every time it tests.
     
  7. Mr Dobey thread starter macrumors 6502

    Joined:
    Aug 8, 2008
    #7
    update

    updated to 10.7.3

    No waking issues.

    On fresh install:

    Shut down time: 1 second

    Boot: 16 seconds
     
  8. IngerMan macrumors 65816

    IngerMan

    Joined:
    Feb 21, 2011
    Location:
    Michigan
    #8
    Those numbers look pretty good. I just checked mine on 10.7.3 combo update and I am

    1.9 shutdown and 18 boot up, I have Filevault2 going so I discounted the time it took me to type in my password and press enter.
     
  9. Mr Dobey thread starter macrumors 6502

    Joined:
    Aug 8, 2008
  10. IngerMan, Feb 3, 2012
    Last edited: Feb 3, 2012

    IngerMan macrumors 65816

    IngerMan

    Joined:
    Feb 21, 2011
    Location:
    Michigan
    #10
    I have a samsung 128, and it's closer to 21 seconds after a 2nd try. I am not sure how much extra time filevault2 takes, besides the obvious logging in.

    After another stop watch run,

    It takes 6.5 seconds from the chime to the login screen and then from Entering the login password screen (hitting enter) to ready on desktop it is another 16.5 seconds.
     

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