TS/Lenovo ThinkCentre M800 SFF Pro Intel Q150, Intel Core i5-6500 (65W, 3.60GHz Turbo, 6MB Cache), 4GB 2133 DDR4 SDRAM DIMM, 500GB/7200rpm, DVD+-RW DL, Intel Integrated HD Graphics, -, 10/100, Windows 7Pro64 preload + Windows 10 PRO License, USB Full /