A-TECH 1GB STICK Toshiba Satellite A A135-S2246 A135-S2256 A135-S2266 A135-S2276 A135-S2286 A135-S2296 A135-S2306 A135-S2326 A135-S2336 SO-DIMM DDR2 NON-ECC PC2-4200 533MHz RAM Memory Genuine Brand 1GB STICK SO-DIMM DDR2 NON-ECC PC2-4200 533MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For Toshiba Satellite A Series. (See Compatibility List Below)