2GB PC2-5300 DDR2-667 200pin SODIMM. MAX MEMORY: 4GB SOCKETS FOR UPGRADE: 2 Genuine CMS brand, CMS is one of the most trusted names in the Computer Memory industry and this product carries a Lifetime Warranty from CMS Compatible with: Toshiba Satellite M105-S3011, M105-S3012, M105-SP3068 PSMA0U-00T007, PSMA0U-02Y008,