Full Details on Amazon.com : http://www.amazon.com/gp/product/B0052UQUSE?tag=tsukuyomi-20 Kingston ValueRAM - Memory - 4 GB - DIMM 240-pin - DDR3 - 1333 MHz / PC3-10600 - CL9 - 1.5 4GB DDR2-1333 PC3-10600 FOR DESKTOP MEMORY
