More recently, OWC yet againĭiscovered these dual processor models can support up to 128 GB, but
'Leopard' and later increased this maximum to 96 GB of RAM running Mac OWC firstĬonfirmed an actual maximum of 64 GB of RAM running Mac OS X 10.5 RAM, but again, OWC found they actually can support more.
Systems with dual processors, which notes as the 'EightĬore' and 'Twelve Core' models, likewise officially support 32 GB of From what I have read as per 's information about this unit it should be possible to have far beyond the normal maximum noted by Apple: I have a MacPro5,1 with 8 cores (2 quad-core processors) running OS X 10.10.2.