Win 10 Pro MB. Intel 21-b6-e1-e2-er CPU. Intel i5 - 4430 3.00GHz 4 Core Ram. 12 GB DDR3 1600 MHz GPU. Zotac GTX 960 2GB PSU. Cooler Master 500W HD. 1TB WD. Green USB 3 - 1 in front , 4 in back