Arch Memory 2 GB (1 x 2 GB) 200-Pin DDR2 So-dimm for ASUS Eee PC RAM Arch Memory is a Registered Trademark of Arch Computer, LLC 1 x 2GB DDR2-667 PC2-5300 200-Pin Sodimm CL5 667MHz for Asus EEE PC Series Lifetime Replacement Warranty Included Make sure to check your owners manual for compatibility