G.Skill F3-10666CL9S-4GBSQ 4GB 204-Pin DDR3 SO-DIMM DDR3 1333 (PC3 10600) Laptop Memory 4GB 204-Pin DDR3 SO-DIMM Laptop Memory CAS Latency: 9-9-9-24, Voltage: 1.50 DDR3 1333 (PC3 10600) Lifetime limited