A-Tech 4GB KIT 2 x 2GB Toshiba Satellite A215-S7422 A215-S7425 A215-S7427 A215-S7428 A215-S7433 A215-S7437 A215-S7444 A215-S7447 A215-S7462 A215-S7472 SO-DIMM DDR2 NON-ECC PC2-5300 667MHz RAM Memory 4GB KIT (2 x 2GB) SO-DIMM DDR2 NON-ECC PC2-5300 667MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For Toshiba Toshiba Satellite. (See Compatibility List Below)