ThinkCentre M73 Tiny, 3 Year On-site, STANDARD_IMAGE, Windows 8 Pro 64bit downgrade Windows 7 Pro 64bit, INTEL CORE I5 4570T Processor, 4M CACHE, 4GB Memory, (500GB+8GB) HDD, WIFI CARD JACKSON PEAK TINY, EDGE MOUSE, Lenovo USB Preferred Pro Full Size Keyboard, FLOOR STAND_TINY, INTEGRATED VIDEO, Integrated Intel Gigabit Ethernet Adapter, INTERNAL SPEAKER TINY, INTEGRATED AUDIO, Win8 Pro 64 RDVD