2GB KIT (2 x 1GB) For Toshiba Toshiba Satellite M30X-SP111 M30X-SP181 M30-YSJ M35 M35-S309 M35-S3091 M35-S320 M35-S3201 M35-S359 M35-S3591 M35-S3592 M35-S456 M35-S4561 M35-S4562 M35-SP350 M35-SP3501 M35X M35X-S109 M35X-S1091 M35X-S111 M35X-S114 M35X-S1141 M35X-S1142 M35X-S1143 M35X-S149 M35X-S1491 M35X-S1492 M35X-S161 M35X-S1611 M35X-S163 M35X-S1631 M35X-S309 M35X-S3091 M35X-S311 M35X-S3111. SO-DIMM DDR NON-ECC PC2700 333MHz RAM Memory. Genuine A-Tech Brand. 2GB KIT (2 x 1GB) SO-DIMM DDR NON-ECC PC2700 333MHz 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)