A-TECH 2GB STICK For Toshiba Mini Notebook NB505-1006 NB505-N500BL NB505-N508BL NB505-N508TQ NB520-1009B NB520-1011Q NB520-1013. SO-DIMM DDR3 NON-ECC PC3-8500 1066MHz RAM Memory. Genuine Brand. 2GB STICK SO-DIMM DDR3 NON-ECC PC3-8500 1066MHz 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)