DMS Certified 4 GB DDR3-1066 Non-ECC DDR3 SODIMM

Macintosh 4 GB DDR3-1066 Non-ECC DDR3 SODIMM i5 and i7 models only late 2009 1066 MHz DDR3 (PC3-8500) MB953LL/A MB950LL/A MB952LL/A A1312, A1311, iMac11,1 Four memory sockets (Max 32GB RAM requires 10.7.5 and latest EFI)