Arch Memory 1 GB (1 x 1 GB) 200-Pin DDR2 So-dimm for Toshiba Satellite A205-S5803 RAM Arch Memory is a Registered Trademark of Arch Computer, LLC 1 x 1GB DDR2-667 PC2-5300 200Pin Sodimm CL5 Non-ECC Unbuffered 667MHz Lifetime Replacement Warranty Included