Operating System : Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset : Intel H110 Processors : Intel Core i3, i5, i7 6th Gen, Intel Pentium, Intel Celeron Memory Support : Two (2) DIMM DDR4-2133 MHz, Up to 32 GB Hard Drive : HDD or SSD Removable Media : Optional Expansion Bays : 3.5", 1" high, std disk Expansion Slots : Low Profile, PCIe 3.0 x16 Graphics : Intel Integrated Graphics Audio : High Definition (HD) Audio, Realtek ALC662 codec Communications : One gigabit ethernet port, Realtek RTL8111GN, Wake on LAN I/O Ports : 2 x USB 2.0, 4 x USB 3.0, VGA, DisplayPort, RJ-45, 1 x Microphone , 1 x Headphone , Serial port Power : 180 W Dimensions : 295 x 320 x 90 mm Weight : 4.13 kg