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64GB ECC Mac Pro 5,1

berto1014
By berto1014
in CPUs, Motherboards, and Memory
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I was wondering if anyone knows what RAM would work with this system. The machine is originally a 2009 Mac Pro 4,1 that was manually firmware flashed to a 5,1. The CPUs have been upgraded to 2x Intel X5675 6-core CPUs. I am looking if possible for a memory combination that can produce 64GB running at 1333 MHz with ECC enabled. I'd appreciate some links to the RAM I would need to produce this if possible. Otherwise, I'd appreciate any additional information regarding upgrading memory for this computer that would be useful to know.

 

Thanks!

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Correction^ DDR3 :P @Crunchy Dragon

 

 

24 minutes ago, berto1014 said:

I was wondering if anyone knows what RAM would work with this system. The machine is originally a 2009 Mac Pro 4,1 that was manually firmware flashed to a 5,1. The CPUs have been upgraded to 2x Intel X5675 6-core CPUs. I am looking if possible for a memory combination that can produce 64GB running at 1333 MHz with ECC enabled. I'd appreciate some links to the RAM I would need to produce this if possible. Otherwise, I'd appreciate any additional information regarding upgrading memory for this computer that would be useful to know.

 

Thanks!

Are there any ram in the system already? If so Is it ecc DDR3L?, ecc DDR3 (numbers)R?, or plain ecc DDR3

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Currently the system has 64GB Corsair Vengeance Pro Series: CMY16GX3M2A1866C9. This RAM is clocked at 1866 MHz, but isn't fully compatible with the mac pro, therefore it actually runs at 1066 MHz with ECC disabled. I bought some A-tech RAM 8x8GB that runs at 1333MHz and should work with ECC. Just have to figure out what to do with the Vengeance RAM now, because I have no use for it. I wonder if there is still a market for it.

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