Processor: 4th Gen Intel® Core™ Memory: 2 DDR3L SODIMM up to 16GB Expansion: 1 PCIe x1 2 Mini PCIe Display 1 LVDS/VGA/eDP 1 HDMI 1 DP Storage 3 SATA 3.0 RAID 0/1/5 Features 2 LAN 4 COM 4 USB 3.0 6 USB 2.0 8-bit DIO 12V DC-in (HU171) 19~24V DC-in (HU173)