G.SKILL Ripjaws 32GB (4 x 8G) 204-Pin DDR3 SO-DIMM 2133 Laptop Memory Model F3-2133C11Q-32GRSL Capacity 32GB (4 x 8G) Model F3-2133C11Q-32GRSL Type 204-Pin DDR3 SO-DIMM Speed DDR3L 2133 Cas Latency 11 , Timing 11-11-11-31