Optimal OS Rev/Updates for Mid 2011 iMac?

Discussion in 'iMac' started by lwood, Dec 11, 2018.

  1. lwood macrumors member

    lwood

    Joined:
    Dec 4, 2002
    #1
    So I have a 2011 iMac and it seems like the performance takes a hit in the more recent OS versions. Is there a known 'optimal' version I should be running, or should I be looking at HD replacement, etc?

    Specs are:

    Mid 2011 iMac 27 MD063LL/A
    3.4 Ghz i7
    32GB Ram
    1TB Fusion Drive
    Radeon 6970

    HD is still original, so I was thinking that would be the likely replacement to improve performance since the memory is already maxed. Any other suggestions?
     
  2. nambuccaheadsau, Dec 11, 2018
    Last edited: Dec 11, 2018

    nambuccaheadsau macrumors 68000

    nambuccaheadsau

    Joined:
    Oct 19, 2007
    Location:
    Nambucca Heads Australia
    #2
    If you replace the hard drive, go with an SSD.

    According to Mactracker that model either had a 1/2TB 7200rpm hard driv e or a 256GB SSD, and no Fusion Drive options until the 2012 model but sometimes these are not accurate with various BTIO options. If it is a 7200rpm drive there be your problem as today they are as slow as molasses.

    Regardless, how full are the drive/s? Remember the old 15% free space rule.
     
  3. arkieboy72472 macrumors member

    arkieboy72472

    Joined:
    May 4, 2017
    #3
    I have one and I have High Sierra and 16GB of ram plus a crucial ssd. Things work fine for me.
     
  4. lwood thread starter macrumors member

    lwood

    Joined:
    Dec 4, 2002
    #4
    Ok, my error, it does have the 1TB 7200 HDD. and it is more than 90% full. so maybe a backup and purge is in order to see if that helps. I'll look at some SSD options as well since I can offload storage duties to a NAS.
     
  5. Barncore macrumors newbie

    Joined:
    Oct 7, 2014
    #5
    I was going to post this question too but thought i'd hop on this thread instead. Not trying to hijack it, just looking for expert opinions too.

    What would be the most optimal OS for my imac?
    My specs:
    -iMac 27-inch mid-2011. (12,2 i believe)
    -2.7GHz i5
    -8GM RAM DDR3
    -1TB 7200 HDD, model = WDC WD1001FALS-403AA0. Currently 290GB available with plans to free up to 100+GB more.
    -AMD Radeon 6770M 512MB.

    Computer will be used for intensive audio editing/recording and web browsing.

    Replacing hard drive to SSD not an option at this stage.
     
  6. nambuccaheadsau macrumors 68000

    nambuccaheadsau

    Joined:
    Oct 19, 2007
    Location:
    Nambucca Heads Australia
    #6
    Well you will just have to live with it at this stage. An SSD is the only option.
     
  7. Barncore macrumors newbie

    Joined:
    Oct 7, 2014
    #7
    Yes, that's fine, but i'm asking what the best OS is for my current specs
     
  8. nambuccaheadsau macrumors 68000

    nambuccaheadsau

    Joined:
    Oct 19, 2007
    Location:
    Nambucca Heads Australia
    #8
    Give Mojave a try as it is now compatible with Fusion Drives.

    Gave my late 2013 i7 iMac to my son who reports Mojave works fast and is rock steady, apart from a minor increase in boot time and this would not concern folk who never turn the iMacs off.
     
  9. lwood thread starter macrumors member

    lwood

    Joined:
    Dec 4, 2002
    #9
    Wow, I really haven't kept up on SSD prices, I didn't realize the 1TB drives were under $150 now. Now to see if I can buy the SSD tray and temp sensor for a reasonable price.
     
  10. vkd macrumors 6502a

    vkd

    Joined:
    Sep 10, 2012
    #10
    Won't run on a 2011. It needs Metal and 2011 don't have none of that. Plenny of aluminium tho' LOL.


    I have a 2011 iMac too and run 10.9.5 Mavericks without a problem, its getting older by the day though. There's another thread on here about High Sierra toasting 2011 people's GPUs
     

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9 December 11, 2018