A-Tech For Apple 4GB Kit 4 x 1GB PC3200 400MHz Power Mac G5 Mid 2004 Late 2004 Early 2005 M9454LL/A A1047 M9555LL/A A1093 M9747LL/A Memory RAM 4GB Kit 4x 1GB (4 x 1GB) DIMM DDR NON-ECC PC3200 400MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For iMac, Power Mac G5 Models: Early 2005 Late 2004 Mid-2004 M9248LL/A M9249LL/A M9250LL/A M9454LL/A M9555LL/A M9747LL/A M9843LL/A M9844LL/A M9845LL/A A1047 A1058 A1076 A1093 PowerMac7,3 PowerMac8,1 PowerMac8,2 PowerMac9,1