32GB 2 x 16GB DDR3 SDRAM DDR3 1066 PC3-8500 2009 Apple Mac Pro 4, 1
Model ID: MacPro 4, 1 2.66GH z, 2.93GH z, 3.33GH z / 2009 Apple Mac Pro 8-Core 4, 1
Model ID: MacPro 4, 1 2.26GH z, 2.66GH z, 2.93GH z / 2010 Apple Mac Pro Quad-Core 5, 1
Model ID: MacPro 5, 1 2.8GH z, 3.2GH z, 3.33GH z / 2010 Apple Mac Pro 8-Core 5, 1
Model ID: MacPro 5, 1 2.4GH z NEMIX RAM memory upgrades meet and exceed Apple and Intel specifications and are backed by Lifetime Warranty.