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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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Is this CPU compatible?

I know about delidding the CPUs for the 4,1 (which I have) but will the X5675 on this page work?

Here it says it will work,
But do I have to find a delidded version?
@oldturkey03

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@beanman56 probably be easier that to match the heatsink like this http://forum.netkas.org/index.php/topic,... but will cost you way more

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Ughh.. could I just get a heat sink from a 2012?

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@beanman56 probably not. To easy :-) Just shim it. Couple of washers and you'll be set.

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so put washers on the screws so it's not putting too much pressure on the CPU (because it's made for a delidded CPU)when tightening??

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@oldturkey03 - so put washers on the screws so it's not putting too much pressure on the CPU (because it's made for a delidded CPU)when tightening??

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Hello @beanman56

Apologies in advance but I am not Oldturkey03

But I do know that the cpu will work in a Mac Pro 4,1 BUT ONLY IF YOU FLASH IT TO 5,1 I cannot stress this enough,in order for this to work you need to do it

As for de-liding people really like to charge a premium for delided cpus so I would order a deliding vise and to it manually

I have a 5,1 and it has the Intel Xeon X5675 so just a little more assurance for you :-)

Hopefully this answers your question

Thanks:-)

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Uhh, I'm not that confident in being able to do it.

Thanks for trying.

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No worries:-)

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Ben Capehart crwdns2934231:0crwdne2934231:0
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