ZOTAC Desktop Barebone ZBOX-EI751-P-U No Operating System Processor: Intel Core i7-5775R Processor (3.3GHz Clock Speed, 3.8GHz Max Turbo, Quad-Core) Memory: 8GB DDR3L-1600 DIMM Memory, Max Capacity of 16GB Hard Drive: 128GB mSATA SSD SATA: 1x SATA3 Port, 1x mSATA Port LAN: Integrated Dual Gigabit Ethernet Controller; 802.11ac/b/g/n Wireless LAN; Bluetooth 4.0 Ports: 4x USB 3.0 Ports, 1x DVI-D Port, 2x DisplayPorts, 1x Wi-Fi SMA Connector, 2x RJ45 LAN Ports, 1x Optical S/PDIF Out, 1x Microphone Jack