16GB (4X4GB) NEMIX RAM Certified Memory for APPLE MAC PRO 2006-2007 MA356LL/A - A1186 - DDR2 667MHz ECC FB DIMM - Mac Pro Ram - Mac Pro Memory - Mac Pro Memory Upgrade - NEMIX RAM 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 16GB of Ram using four 4GB DDR2 667MHz PC2-5300 Fully Buffered ECC Mac Pro Modules