WINDOWS On the offer The screen ViewSonic, manufactured 2013 Model number VA The device Lenovo ThinkCentre And the motherboard in it: * VGA for the screen * Serial port (COM) * PS/2 for keyboard and mouse * Several USB * Ethernet for internet * 3.5mm audio outputs * ATX power supply Device model 2006-2009 With keyboard, mouse, and a DVD disc containing HP DeskJet 2130 * Windows drivers * HP software for printing and scanning * Windows 7, 8, 10, and Vista versions Operating System: Windows Brand: Lenovo