Operating System: Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset: Intel Q170 Processors: Intel 6th generation Core i5-i7 Quad Core, Core i3 Dual Core Memory Support: Four (4) DIMM slots , DDR3 Up to 32 GB 1600 MHz Hard Drive : Up to 2 TB SATA or SSD (optional) Removable Media : DVD-ROM/ DVD-ReWritable slim, Card reader (optional) Expansion Bays : External: One (1) slim, Internal: One (1) 3.5-inch Expansion Slots : One (1) PCIe x16 HH, One (1) PCIe x4 HH, One (1) M.2 2280 Graphics : Integrated Intel HD Graphics 530 Audio : Integrated Audio Communications : Integrated Intel i219-LM E GbE Network Connection I/O Ports : Front: Two(2) USB 3.0, Two (2) USB 2.0 , One (1) Lineout, Rear: Two (2) USB 2.0, Four (4) USB 3.0, Two (2) DP, HDMI, Serial, RJ-45, Audio I/O, PS/2 Input Devices : Standard Keyboard, Mouse (USB or PS/2) Power : 180 W Dimensions : 29.2 x 29 x 9.26 cm Weight : 4.48 kg