NEW 8GB (4GBx2) DDR2 PC2-5300 FB-Dimm ECC DDR2-667 w/Apple Mac Pro 1.1, 2.1,3.1 Mac pro Memory DDR2 667MHz ECC FB-DIMM Memory Upgrade for Apple Mac Pro 2008 3,1 DDR2 667MHz PC2-5300 Fully Buffered Mac Pro Modules Condition:New Lifetime warranty 2pcs/pack