G.SKILL 8GB (2 x 4GB) 204-Pin DDR3 SO-DIMM DDR3 1066 (PC3 8500) Laptop Memory-Unbuffered- F3-8500CL7D-8GBSQ 8GB (2X4GB) DDR3 laptop memory kit DDR3 SO-DIMM DDR3 1066 (PC3 8500) 204-Pin DDR3 SO-DIMM Unbuffered Dual Channel Kit Lifetime Manufacturer Warranty