Lenovo ThinkCentre M900 Tower PC Intel QuadCore i7-6700 3.4Ghz 16GB Ram 500GB HDD Lenovo ThinkCentre M900 Mini Tower (MT PC) Form Factor: Tower CPU Model: Intel Core i7-6700 (Quad Core 3.4Ghz to 4ghz Turbo) CPU Speed: 3.4 GHz CPU Type: Intel Core i7 6th Gen. RAM: 16 GB DDR3 Storage Type: HDD HDD Size: 500GB WIRELESS Graphics Type: Intel HD Graphics 530 Ports: 8 X USB 3.0 (2 Front / 6 Rear), RJ-45 Ethernet Network Port, VGA Port, 2x Display Port, Serial Port, Audio Ports Operating System: Windows 10 Professional Optical Drive: Yes Condition: Overall very good condition, may have light scuffs due to movement and storage