Operating System: Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset: Intel Q87 Processors: Intel Core i3,i5,i7 4th Gen, Intel Pentium, Intel Celeron Memory Support: Two (2) SODIMM slots , Up to 16 GB DDR3 ,up to 1600 MHz Hard Drive: SATA , 7200 rpm Removable Media: N/A Expansion Bays: Internal: One (1) 2.5-inch, One (1) M.2 PCIe x4 Expansion Slots: One (1) M.2 PCIe x4-2230 (for WLAN), One (1) M.2 PCIe x4 2280 (for storage) Graphics: Intel HD Graphics Audio: HD audio with Realtek ALC221 codec (all ports are stereo) Communications: Gigabit Ethernet I/O Ports: Front: Two (2) USB 3.0(one Fast Charging Port), Audio I/O Rear: Four (4) USB 3.0, VGA, DP, RJ-45, Audio Out Input Devices: Standard Keyboard, Mouse (USB) Power: 65W Dimensions: 17.7 x 17.5 x 3.4 cm Weight: 1.3 kg