Memory Slots: 8 (4 banks of 2; modules must be installed in pairs) Maximum Memory: 32GB The first generation Mac Pro uses 667MHz DDR2 fully buffered ECC memory, while the second generation Mac Pro uses 800MHz DDR2 fully buffered ECC memory, both of which incorporate leading edge industry-standard memory technology that allows for added memory capacity, higher speeds, and better reliability. To take full advantage of the 256-bit wide memory architecture of the Mac Pro, it is recommended that four or more memory modules are installed in the Mac Pro. Features Engineered and built specifically for the Apple Mac Pro Fully meets strict Apple thermal specification for Mac Pro FB-DIMMs Guaranteed 100% compatible Lifetime warranty

4-Core 2.0/2.66/3.0GHz; 8-Core 3.0GHz

Item No. Name Price   2GBKITMACPRO667 2GB Matched Set (2 x 1GB) 667MHz FB-DIMM Memory Kit for Mac Pro $99.99    4GBKITMACPRO667 4GB Matched Set (2 x 2GB) 667MHz FB-DIMM Memory Kit for Mac Pro $129.99    8GBKITMACPRO667 8GB Matched Set (2 x 4GB) 667MHz FB-DIMM Memory Kit for Mac Pro $379.99

4-Core 2.8GHz; 8-Core 3.0/3.2GHz

Item No. Name Price   4GBKITMACPRO800 4GB Matched Set (2 x 2GB) 800MHz FB-DIMM Memory Kit for Mac Pro $149.00    8GBKITMACPRO800 8GB Matched Set (2 x 4GB) 800MHz FB-DIMM Memory Kit for Mac Pro $299.00