SPECIFICATION: Dimension 33.9 mm x 107.6 mm x 114.4 mm (1.33" x 4.24" x 4.5") Motherboard Size 100 x 105 mm CPU 5th generation Intel Core i 7-5500U 2.4 G Hz / 3.0 G Hz Memory 2 x SO-DIMM DDR3L slots (DDR3 1.35V) 1333/1600/1866* (OC)MHz (* OC memory list in memory support list.) Max. 16GB LAN Gigabit LAN (Realtek RTL8111G) Audio Realtek ALC283 Graphics Intel HD Graphics 5500 HDMI Resolution (Max.) 4096 x 2304 @ 24 Hz Mini DP Resolution (Max.) 3840 x 2160 @ 60 Hz Expansion Slots 1 x m SATA slot 1 x PCIe M.2 NGFF 2230 A-E key slot occupied by the Wi Fi+BT card Front I/O 2 x USB (Universal Serial Bus) 3.0 1 x head phone jack with MIC Rear I/O 1 x HDMI 1 x Mini Display Port 2 x USB (Universal Serial Bus) 3.0 1 x RJ45 1 x DC-In 1 x Kensington lock slot Power Supply Input: AC 100-240V Output: DC 19V 3.42A VESA Bracket included Supports 75 x 75 & 100 x 100 mm Wifi Card IEEE802.11ac, Dual Band & BT 4.0 Storage 1xm SATA SSD slot support NFC Y Support OS WIN7 32/64bit WIN8.1 64bit Environment System Environment Operating Temperature: 0°C to +35°C System Storage Temperature: -20°C to +60°C