6-Core Apple Mac Pro CPU Tray Upgrade 4-Core 2.66GHz 2009 2010 4,1 5,1 Westmere
Your upgraded processor tray will exhibit Geekbench processor benchmark scores upwards of 14000. This upgrade will only work for 2009 model 2.66 2.93 and 3.33 4-core Mac Pro towers and 2010 model 2.8 and 3.2 4-core Mac Pro towers.