Full Details from Amazon.com : http://www.amazon.com/gp/product/B004CNBCFS?tag=onigi-20
8GB 2X 4GB DDR3 Memory for Toshiba Satellite A665-S6086 PC3-8500 204 pin 1066MHz SODIMM RAM
Halogen Free ROHS
Speed PC3-8500 DDR3 1066MHz
Form Factor 204 pin SODIMM
Capacity 8GB 2X4GB Kit
Warranty Lifetime