Mac Pro 8-Core Intel Xeon
Maximum Memory: 64GB (8-sockets)
Xserve Pro 8-Core Intel Xeon
Maximum Memory: 96GB (12-sockets)
Mac Pro Quad-Core Intel Xeon
Maximum Memory: 32GB (4-sockets)
Please Note: Third party 1GB, 2GB, 4GB and 8GB modules are not supported for use with these kits and need to be removed. Modules included in this kit require that all installed modules be of same matching set.
You must boot into 64 bit mode to use more than 32GB of memory in your Mac Pro under 10.6.x or greater. In 32 bit mode, installed memory will show in system profiler but only up to 32GB will be actively used by the computer.