G.SKILL F3-10666CL9D-8GBSQ 8GB (2 x 4GB) 204-Pin DDR3 SO-DIMM DDR3 1333 (PC3 10666) Laptop Memory Model 8GB DDR3 laptop memory kit 1333MHz, PC3-10666 204 pin kit, 2x4GB modules CL9, 1.5V