Lenovo Hdd (01DE333), Hard drive - hot-swap, 600 GB, FF 3.5" LFF, Interface SAS 12Gb/s/ 1 x SAS 12 Gb/s, 1 x 3.5" LFF - hot-swap, Drive Transfer Rate 1.2 GBps (external), Spindle Speed 15000 rpm. Lenovo develops, manufactures and markets cutting-edge, reliable, high-quality PC products and value-added professional services that provide customers around the world with smarter ways to be productive and competitive.