Model A1312 / Mid 2011 / 2.7 & 3.1 GHz Core i5 or 3.4 GHz Core i7 Processor

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power supply compatible parts

my power supply is buzzing, imac mid2011 27" i5 2.7ghz.

want to replace, part number should be 661-5972 but everywhere from all sellers is a picture of model 614-0446 even on ifixit(can clearly see P/N: 614... is this compatible part for all 27" iMacs? or those pictures are just for ilustration purposes?

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patrik sestak, the part number 614-0446 cross reference to the following compatibility"

iMac 27" 2.66GHz Core i5 (A1312) - Late 2009

iMac 27" 2.8GHz Core i5 (A1312) - Mid 2010

iMac 27" 2.8GHz Core i7 (A1312) - Late 2009

iMac 27" 2.93GHz Core i7 (A1312) - Mid 2010

iMac 27" 3.06GHz Core 2 Duo (A1312) - Late 2009

iMac 27" 3.2GHz Core i3 (A1312) - Mid 2010

iMac 27" 3.33GHz Core 2 Duo (A1312) - Late 2009

iMac 27" 3.6GHz Core i5 (A1312) - Mid 2010" from

The 661-5972 is definitely the right number for all Mid 2011 27" iMac's. It is available right here. Hope this helps, good luck.

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i have done some research and all uk and chinesse sellers confirmed compatibility of 614-0446 with 2009,2010 and 2011 models. i wasn't sure who's right so I disassembled mine to take a look(2.7Ghz i5 mid2011). Guess what? Mine is Lite On 614-0446. Thanks for reply anyway.

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That is interesting and great that you found out which one you need for sure. Hope it all works out, best of luck to you.

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patrik sestak will be eternally grateful.
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