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The Early 2009 Mac Pro—also known as the Mac Pro 4,1—introduced Intel's Nehalem architecture to Apple's line of professional desktop computers in March 2009. The Mac Pro 5,1 used the same interior design but received further CPU updates in 2010 and 2012.

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'06 and '09 PSU Harness Pin-Out?

a.(1,1 2,1 or 3,1)

b.(4,1 or 5,1)

pinout info on one from a and one from b will work, I'm trying to save $100-$150 by updating the "interface" an old equivalent PSU (swap the harness)

Thanks!

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The 2006=2008 machines are totally different from the 2009-2012 machines. Exactly what are you working on?

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Thank you for taking interest, I am working on power supply alone. If it were just me i would ask for the pinouts of 3,1 4,1, smallest differential of the given possibilities. I apologize broadness of scope, I was only trying to increase the potential source pool as well as helpful benefit to others , I welcome ANY combination of 1xa and 1xb, and it will be considered an acceptable (and very appreciated) answer, as well as provide the information needed for a successful resolution. But.. increase difficulty, increase benefit.... if you've got'em what the heck , lets do pin outs for 1,1 and 2012 version of 5,1 can't get any more incompatible than that and stay on topic? Demonstrating theres nothing to fear, its all possible, and hopefully encourage others to overcome..... and save me $150

side note: you have been helping for years, neat to deal direct and thank you! :)

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Acronym will be eternally grateful.
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