Processor AMD QC A8-5600K 3.6 G Hz AMD A75 FCH Memory 8GB 1333 MHz DDR3 System memory up to 16 GB dual-channel support on 4 DIMM Hard drive 2TB SATA Optical drive Super Multi DVD-ROM Software Operating system: Genuine Windows 7 Home Premium 64-bit Display Not Included Graphics AMD Radeon HD Graphics Audio High-definition audio support Input Devices Acer keyboard & mouse Networking WLAN: 802.11b/g/n Wi-Fi CERTIFIED™ LAN: Gigabit Ethernet Power supply 300 W (PFC/non-PFC) Certification FCC, CE, BSMI, VCCI, CB Interfaces Front: 2 USB (Universal Serial Bus) 2.0 ports 2 USB (Universal Serial Bus) 3.0 Ports Multi-in-1 card reader High-definition headphone & microphone jacks Back: 4 USB (Universal Serial Bus) 2.0 ports 2 USB (Universal Serial Bus) 3.0 ports with charge feature PS/2 keyboard & mouse ports Ethernet (RJ-45) port 3 audio ports 1 D-Sub VGA port 1 HDMI port Expansion PCI Express 2.0 x 16 slot PCI Express 2.0 x 1 slot External 5.25"" drive bay * 1 Internal 3.5"" drive bay * 1 Card reader: Multi-in-1 card reader, Warranty 1 Year Manufacturer Warranty