ANTEC Tower Length – 22, Width - 9, Height - 20 Motherboard: ASUS M5A7BL-M/USB3 6 HD Slots, 3 CD/DVD Slots 550 Watt Power Supply Model ATX S628 Special CPU Heat Sink fan 2 top fans, 1 back fan, Clean 1TB HD 16 GB DDR3 memory installed 4 memory slots, 32 GB max memory Custom Built, Original Cost $650 A great PC, can be used as a server!