Veriton L4630G Ultra-Compact Desktop -Black with Silver Chassis. Intel Core i7-4790S (8MB Intel Smart Cache 2.70GHz up to 3.90GHz with Intel Turbo Boost Technology) Hard Drive: 1TB SATA 7200RPM OS: Windows 8.1 Pro (64-bit) / Windows 7 Professional (SP1 64-bit) Memory: 8GB (4/4) DDR3 SDRAM Optical Drive: Super-Multi Graphics: Integrated Intel HD Graphics Communications: Gigabit LAN 802.11a/b/g/n WLAN Bluetooth 4.0