Smallest pc Qotom-Q190S celeron J1900 4G ram 1Tb HDD dual lan 4usb2.0 1 serial port Blu-ray media player intel htpc CPU:Intel Celeron Processor J1900 (2M Cache, up to 2.42 GHz),Quad Core,Low Power 10W,Fanless Configuration:4G DDR3 Ram 1Tb 2.5" HDD NO WIFI Rich IO1*HD Video Port, 1*VGA, 2*LAN,1* serial port, 3*USB2.0,1*USB3.0 It will come with unlicensed Windows 7 for test and we don't provide any Windows license. You can reinstall OS by yourself. Delete into BIOS. F11 boot from USB stick Computer TV/office/business/room/media/hotel/bank/pos to use