Lenovo ThinkStation P320 30BGS1B400 Workstation - 1 x Intel Core i7 (6th Gen) i7-6700 Quad-core (4 Core) 3.40 GHz - 16 GB DDR4 SDRAM - 1 TB HDD - 512 GB SSD - NVIDIA Quadro P600 2 GB Graphics - Windows 7 Professional 64-bit (English) upgradable to Windows 10 Pro - Tower - DVD-Writer - English (US) Keyboard - DisplayPort - 8 x Total USB Ports - 250 W: