This drive will work with aluminum and aluminum unibody, 20 inch, 21.5 inch 24 inch models and 27 inch models.

This drive is only compatible with the specific model year Apple iMac desktop models listed.  This drive will not work with the 2012 and newer tapered iMacs or pre-late 2009 iMacs.

With all the software installed and optimized you still will get about 483GB of free storage.  

Internal 3.5 inch drive to be installed inside your iMac.

Great for a primary drive solution, anyone looking to upgrade from 10.6-10.12 OSX.

Installed with the latest Mac OS X High Sierra 10.13 , modified for iMac Late 2009 to iMac late 2011. 

Here is your chance to check out the latest Mac OS X High Sierra  on iMac, upgrade and enjoy more years with your Mac Machine!

These computers can run High Sierra, provided they have at least 2GB of RAM:

iMac: Late 2009
    iMac: Mid  2010
    iMac: Mid  2011
    iMac: Late 2012
   

This is a full 3.5 inch mechanical drive, if your mac needs a 2.5 drive this drive will not fit!

This versions of Mac OS X won't work in:

MacBook, MacBook Pro, Mac Mini

Mac Pro 1,1 2006 or Mac Pro 2,1 2007 to Mac Pro 4,1 2009 or any Power Mac

Password will be "imac"