CybertronPC Blueprint CAD1194E Desktop (Discontinued by Manufacturer) System: 4th Gen. Intel Core i7-4770K 3.5GHz / 3.9GHz Quad-Core| Intel H81 Express| 16GB DDR3| 2TB HDD| Windows 7 Professional 64bit Graphics: NVIDIA Quadro K2000 2GB Video Card | 24X DVDRW Dual-Layer Drive | Audio: 7.1 Channel | Gigabit LAN | Keyboard and Mouse Expansion Bays/Slots Total(Free): 4(3) Ext. 5.25" | 1(1) Ext. 3.5" | 5(4) Int. 3.5" | 2(2) PCI | 1(1) PCI-E x1 | 1(0) PCI-E x16 | 2(0) DIMM 240P