Seagate Laptop Thin HDD, 500GB, 2.5" SATA, 5400 RPM (model ST500LT012). Slim 7mm drive that fits most laptops and works in an external USB enclosure too. Taken out of a working laptop. Tested and working, no bad sector warnings. Ready to use, just plug in and format or install Windows. Serious buyers only, you can test it before paying. Call or message me.