ZOTAC Intel Core i5-4570R 2.7GHz/ 8GB DDR3L/ 1TB HDD/Wi-Fi/A&V&2GbE/ Mini PC Barebone System ZBOX-EI730-PLUS-U No Operating System Processor: Intel Core i5-4570R Processor (2.7GHz Clock Speed, 3.2GHz Max Turbo, Quad-Core) Memory: 8GB DDR3L-1600 SODIMM Memory, Max Capacity of 16GB Hard Drive: 1TB 5400RPM SATA HDD SATA: 1x SATA3 Port, 1x mSATA3 Port Ports: 4x USB 3.0 Ports (2 real, 1 front, 1 top), 1x DVI Port, 2x DisplayPort, 1x Wi-Fi Antenna Connector, 2x RJ45 LAN Ports, 1x Optical S/PDIF Out, 1x Analogue Output, 1x Microphone Jack LAN: Integrated Gigabit Ethernet Controller; 802.11ac Wireless LAN; Bluetooth 4.0