G.SKILL 16GB (2 x 8G)  DDR3 SO-DIMM DDR3 1333 MHZ (PC3 10666) Laptop Memory Model F3-10666CL9D-16GBSQ DDR3 1333 (PC3 10666); CAS Latency 9; 1.5V; Dual Channel Kit 16GB (2 x 8G); DDR3 SO-DIMM; The G.SKILL F3-10666CL9D-16GBSQ memory kit is rated at 1333MHz to deliver up to 10.6GB bandwidth per channel to deal with the evolving needs of today's operating systems and applications. Superior components, tough build and rigorous testing guarantee you unparalleled reliability and stability for hassle-free use in challenging environments.