4GB SoDimm DDR3 PC3-10600/1333 - Internal upgradeds only
Pentium D/M , Celeron D/M , Core Solo/Duo/2Duo , Athlon 64 , Sempron , Turion 64 X2 DDR3 Laptops that can take a 2GB module in each memory slot. A 64-bit operating sytems is required in order to recognise the full 4GB of memory.