8GB KIT (2 x 4GB) For Toshiba Toshiba Qosmio X500-167 X500-D831 X500-Q840S X500-Q895S X500-Q900S X500-S1801 X500-S1811 X505-Q830 X505-Q832 X505-Q850 X505-Q860 X505-Q862 X505-Q865 X505-Q870 X505-Q875 X505-Q879 X505-Q880 X505-Q882 X505-Q885 X505-Q887 X505-Q888 X505-Q890 X505-Q892 X505-Q893 X505-Q894 X505-Q896 X505-Q898 X505-SP8016 X505-SP8016L X505-SP8016M X505-SP8017 X505-SP8017L. SO-DIMM DDR3 NON-ECC PC3-8500 1066MHz RAM Memory. Genuine A-Tech Brand. 8GB KIT (2 x 4GB) 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 Toshiba Qosmio. (See Compatibility List Below)