Operating System : Windows 10 Home & Pro MAR Chipset : Intel Q170 PCH-H Vpro Processors : Intel Core i3, i5, i7 6th Gen Memory Support : Two (2) SODIMM slots , Up to 32 GB DDR4 - 2133 Hard Drive : M.2, Sata III or SSD or SSHD Removable Media : N/A Expansion Bays : Internal: One (1) 2.5-inch Expansion Slots : One (1) M.2 PCIe x1-2230( for WLAN), One (1) M.2 PCIe x4-2280(for storage) Graphics : Intel HD Graphics Audio : HD audio with Realtek ALC221 codec Communications : Intel  I219LM Gigabit Ethernet Port I/O Ports : Front: One (1) USB Type-C 3.0, Two (2) USB 3.0 (one includes fast charging), Audio I/O  Rear: Four (4) USB 3.0, VGA, DP, RJ-45, Input Devices : Standard Keyboard, Mouse (USB) Power : 65W Dimensions : 17.7 x 17.5 x 3.4 cm Weight : 1.3 kg