Full Details on Amazon.com : http://www.amazon.com/gp/product/B00EUHT6G8?tag=tsukuyomi-204gb (1x4gb) RAM Memory 4 Hp Pavilion G7-2246nr G7-2289wm G7-2317cl G7-2320dx204PIN SODIMM DDR3 SDRAM PC3-12800 1600MHZ 1 SINGLE PC