Which 2TB BTO Drive in New 27" Imac?

Discussion in 'iMac' started by cmvsm, Nov 3, 2009.

  1. cmvsm macrumors 6502a

    cmvsm

    Joined:
    Nov 12, 2004
    #1
    I can save about $200 by getting a new 27" imac online if I choose to install the 2TB drive that I want on my own.

    The procedure doesn't look too much different than it did with the 24", and I successfully changed out that one.

    Question is, does anyone know which 2TB drive that Apple uses in their BTO option? I want to be sure that I buy the right one.

    Thanks.
     
  2. Badger^2 macrumors 68000

    Badger^2

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    Sacramento
    #2
    they use whatever they can get the cheapest

    Whatever 2TB SATA drive you like?

    WD looks the fastest.

    http://www.barefeats.com/hard125.html

    Is there some reason you want a 2TB internal? Why not just throw it off the back?
     
  3. Hellhammer Moderator

    Hellhammer

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  4. googdot macrumors regular

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    #4
    I don't think it's the Caviar Green as Apple advertises the iMac's drive to be a 1TB/2TB 7200rpm drive - so that would exclude the Green series.

    Given that the 1TB drives seem to be WD Blacks from what I've read, I'd also like to know if the 2TB is the same.

    Can anyone check their System Profiler and see what the make/model of the 2TB is?
     
  5. Hellhammer Moderator

    Hellhammer

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    #5
    Ummhh.. There is 2TB Caviar Green. Blacks are more like server HDs so they are very noisy but fast. My 640GB is Caviar Blue but there is no 2TB Blue
     
  6. avihappy macrumors 6502

    avihappy

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    #6
    In my early 2009 iMac, the 1TB drive is a WD Digital Caviar Black (WDC WD1001FALS-40K1B0). So I assume the that 1TB drive in the new ones are the same. And since there is also a 2TB model of the Caviar Black, I can only assume that's what apple is using as well.

    EDIT:
    More evidence:
    If you look carefully in this pic from ifixit's teardown, you can see that the 1TB is the caviar black (click to embiggen): [​IMG]

    For reference:
    Caviar Black
    [​IMG]


    Caviar Green
    [​IMG]

    So based on the fact that the 1TB drives are the black, it think it is extemely likely that the BTO 2TB is using the 2TB Caviar Black as well.
     
  7. googdot macrumors regular

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    #7
    The Caviar Green's are not 7200rpm - hence why I said they can be excluded.
     
  8. Hellhammer Moderator

    Hellhammer

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    #8
    Greens have IntelliPower so basically it's 7200rpm but when it's not accessed, it runs slower
     
  9. mcdbirdman macrumors newbie

    Joined:
    Nov 10, 2007
    #9
    My 2TB drive

    Here's your answer

    Capacity: 2 TB (2,000,398,934,016 bytes)
    Model: Hitachi HDS722020ALA330
    Revision: JK0KB23N
    Serial Number: JK113*********
    Native Command Queuing: Yes
    Queue Depth: 32
    Removable Media: No
    Detachable Drive: No
    BSD Name: disk0
    Rotational Rate: 7200
    Partition Map Type: GPT (GUID Partition Table)
    S.M.A.R.T. status: Verified
     
  10. googdot macrumors regular

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    #10
    Great news! I knew it couldn't be the WD Green because Apple would get in some serious trouble for advertising and spec'ing that drive as a 7200.

    Thanks heaps for checking!
     
  11. HellDiverUK macrumors 6502

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    Belfast, UK
    #11
    Which bit of "The WD Green isn't a 7200rpm disk" are you having issues with?

    You keep on saying it, but it's just not correct. The Green is not a 7200rpm drive, never was, never will be. :rolleyes:

    They're approx 6000rpm when running full speed, and slow down to below 3000rpm when saving power.
     
  12. Hellhammer Moderator

    Hellhammer

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    #12
    Rotating speed: IntelliPower (5400rpm-7200rpm). Would like to know where did you get those numbers...

    I didn't have any proofs of Greens in iMac but they are/were used in Mac Pros and Apple advertises their Macs as "the greenest computers in the world" so Caviar Green was IMO the hard drive what  would use.

    But now it's solved, it's not even WD's hard drive, it's Hitachi
     
  13. AlienSexGod macrumors member

    AlienSexGod

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    Mar 18, 2008
    #13
    Hitachi's are the cheapest so maybe.... but look at this thread a guy bought a Hitachi and it didn't work in the iMac ... maybe he didn't figure out how to attach the thermal sensor properly but then he successfully re-installed teh original 1Tb Ok so .....

    http://discussions.apple.com/thread.jspa?messageID=10547261&tstart=0
     
  14. NATO macrumors 68000

    NATO

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    #14

    You couldn't be more wrong if you tried. WD's 'IntelliPower' is nothing short of marketing genius as everyone seems to think there's some sort of clever electronics which varies the drive speed depending on use. If you notice carefully WD doesn't actually state that the speed of the drive varies dynamically, more that the Green drives can be sold with speeds between 5400RPM or 7200RPM depending on which they design to have minimal power consumption. There's a lot of misinformation out there about IntelliPower but any credible review site has run tests which confirm this.
     
  15. AlienSexGod macrumors member

    AlienSexGod

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    #15
    One thing we can be sure of is that in terms of performance they suck. Witness this shoot out:
    http://barefeats.com/hard125.html

    P.S. Any other confirmations on Apple 2Tb OEM brands? Most of teh 1 Tbs seem to be WD's and if the guy I linked above can't get a 3rd party Hitacihi to work with teh heat sensors then I question the guy above saying he has a 27" iMac with a 2Tb Hitachi in it from Apple.... got any pics and screenshots please buddy?
     
  16. googdot macrumors regular

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    #16
    There is a thread on the Apple Discussions that confirms the 2TB drive is the Hitachi. Not a bad drive at all...too bad it wasn't the WD Black.

    A good review of the Hitachi drive here:
    http://macperformanceguide.com/Storage-Drive-Hitachi2TB.html
     
  17. AlienSexGod macrumors member

    AlienSexGod

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    Mar 18, 2008
    #17
    Hmmm I must be dumb ... can't find that thread... not enough sleep maybe...

    Anyone put a 2Tb WD Black in one to see if the thermal sensor works ok?
     
  18. googdot macrumors regular

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    #18
    I should have linked to it in the last post...here you go:

    What Model 2TB Drive is Apple Using?
     
  19. AlienSexGod macrumors member

    AlienSexGod

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    #19
    Oh thanks mate I was looking in the Apple Hardware section here......
     
  20. C64 macrumors 65816

    C64

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    Sep 3, 2008
    #20
    I really don't like noisy HDs.. especially because they're basically on ear-height in the iMac, but +200 for 1TB => 2TB is quite a lot..

    Dilemmas :(
     

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