CybertronPC A-10 Onyx Desktop - AMD A10-5800K 3.8GHz Quad-Core, 8GB DDR3 Memory, AMD Radeon HD 7660D Graphics, 1TB Hard Drive, DVD&plusmn;RW, Microsoft Windows 8.1 64-Bit (Discontinued by Manufacturer) System: AMD A10-5800K 3.80GHz Quad-Core | 8GB DDR3 | 1TB HDD | Genuine Windows 8.1 64-bit Graphics: AMD Radeon HD 7660D | 24X DVDRW Dual-Layer Drive | Audio: 8 Channel | Gigabit LAN | Keyboard and Mouse Expansion Bays/Slots Total(Free): 2(1) Ext. 5.25" | 1(1) Ext. 3.5" | 4(3) Int. 3.5" | 1(1) PCI | 1(1) PCI-E x1 | 1(1) PCI-E x16 | 2(1) DIMM 240P Connectivity: 2x PS/2 | 6x USB 2.0 | 1x RJ-45 Network Ethernet 10/100/1000 | Audio | 1x VGA | 1x HDMI Chassis: APEX TX-373 Mid-Tower w/400 Watt Power Supply | 1 Year Parts & Labor Warranty | Free Lifetime Tech Support