More information on Apple desktop/server memory upgrade:

If you are looking for a memory upgrade for your Apple Mac Pro Quad-Core 2.66GHz 640GB 2.66GHz 640GB (Z0G8-8GB) desktop/server you've come to the right place!

At MemoryC we supply Apple Mac Pro Quad-Core 2.66GHz 640GB 2.66GHz 640GB (Z0G8-8GB) desktop/server memory upgrades that are guaranteed to work in your system! Upgrading your Apple Mac Pro desktop/server memory will give you an additional performance boost and make memory intensive applications work smoother. Our recommendation is to add the largest memory upgrade to your desktop/server to achieve the best performance. Using our Apple Mac Pro desktop/server memory configurator to find the right type of desktop/server memory you need takes the stress out of this selection, as we only sell premium desktop/server memory upgrades.

All Apple Mac Pro Quad-Core 2.66GHz 640GB 2.66GHz 640GB (Z0G8-8GB) desktop/server memory is guaranteed compatible (which means it has been pretested in your particular system for best possible performance and compatibility), covered by lifetime warranty and is guaranteed to improve the overall performance!