G.SKILL Ripjaws Series 8GB (2 x 4GB) 204-Pin DDR3 SO-DIMM 1600 (PC3 12800) Laptop Memory Model F3-1600C11D-8GRSL Brand G.SKILL Series Ripjaws Series Model F3-1600C11D-8GRSL Type 204-Pin DDR3 SO-DIMM Capacity 8GB (2 x 4GB)