32GB (8X4GB) NEMIX RAM Memory for APPLE MAC PRO 2006 1st Gen 1,1 (DDR2 667MHz ECC FB DIMM) Apple Mac Pro1,1 (1st Generation 2006-2007) 100% certified Apple Mac Pro Memory with Mac Pro certified heat shields Memory Upgrade for Apple Mac Pro 2006 / 2007 1,1 2,1 MacPro1,1 MacPro2,1 A1186 2113 2138 MA356LL/A 32GB of Ram using eight 4GB DDR2 667MHz PC2-5300 Fully Buffered ECC Mac Pro Modules