A-Tech For Apple 4GB Kit 4 x 1GB PC3200 400MHz Power Mac G5 Mid 2004 Late 2003 Early 2005 M9031LL/A A1047 M9032LL/A M9393LL/A M9455LL/A M9457LL/A M9748LL/A M9749LL/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 Power Mac G5 Models: Early 2005 Late 2003 Mid-2004 M9031LL/A M9032LL/A M9393LL/A M9455LL/A M9457LL/A M9748LL/A M9749LL/A A1047 PowerMac7,2 PowerMac7,3