Lenovo ThinkCentre M700 10HY0020US Desktop Computer Intel Core i3 6th Gen i3 6100T 3.20 GHz 4 GB DDR4 SDRAM 500 GB HDD Windows 7 Professional 64 bit English upgradable to Windows 10 Pro Tiny Intel HD Graphics 530 Graphics Wireless LAN Bluetooth 6 x Total USB Port s