A-TECH 2GB STICK Toshiba Mini Notebook NB250-10Q NB255-N240 NB255-N245 NB255-N246 NB255-N250 NB255-SP1001L NB255-SP1001M NB255-SP1002L SO-DIMM DDR2 NON-ECC PC2-6400 800MHz RAM Memory Genuine Brand 2GB STICK SO-DIMM DDR2 NON-ECC PC2-6400 800MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For Toshiba Mini Notebook. (See Compatibility List Below)