Operating System: Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset: Intel Q370 Chipset Processors: Intel 8th generation Core i3-i5-i7, Intel Pentium Gold Memory Support: Four (4) DIMM slots , DDR4 Up to 64 GB 2666 MHz Hard Drive : Up to 2 TB or SSD (optional) SATA or M.2 Removable Media : Optional Expansion Bays : 1 internal 3.5" HDD, 2 internal 2.5" HDD Expansion Slots : 1 FH PCIe x16, 1 FH PCIe x16 (wired x4), 2 FH PCIe x1, 1 M.2 2280, 1 M.2 2230 Graphics : Integrated Intel HD Graphics (depends on CPU) Audio : Integrated Audio Communications : Integrated Intel I219-V Ethernet LAN 10/100/1000 I/O Ports : 10 External USB : 5 x 3.1 Gen 1 (1 Type-A front, 4 Type-A rear), 1 USB Type-C x 3.1 Gen 2 (front), and 4 x 2.0 (2 Type-A front - 1 front with PowerShare, 2 Type A rear - 2 SmartPower On), 1 USB Type-C x 3.1 Gen 2 (front), 1 RJ - 45, 2 Displayport Input Devices : Standard Keyboard, Mouse Power : 260 W Dimensions : 35 x 15.4 x 27.4 cm Weight : 7.93 kg