Fully working system (Windows 10 Pro 64bit) with SSD (220Gb) and nVidia graphics card (GT 610), dual display compatible (HDMI and DVI) has 4Gb of RAM Very fast system running Intel Core i5 CPU, boot time to desktop is under 9 seconds Lenovo ThinkCenter M91p - Windows 10 Pro - Intel Core i5 (2500 (4core 6Mb cache 3.3Ghz) (Benchmark over 6341) - 220Gb SSD - 4 Gb RAM (expandable to 32Gb) - LAN - nVideo GeForce GT610 for dual screens : 1 x HDMI, 1 x DVI