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) SODIMM slots , Up to 32 GB DDR4 Hard Drive : Up to 2 TB SATA, 7200rpm or SSD (optional) Removable Media : No Optical Drive Expansion Bays : Internal: One (1) 2.5-inch Expansion Slots : 1 M.2 (22x30mm), 1 M.2 (22x80mm) Graphics : Integrated Intel HD Graphics 530 Audio : Integrated Audio Communications : Integrated Intel i219-LM GbE Network Connection I/O Ports : Front: Two (2) USB 3.0, Audio I/O, Rear: Four(4) USB 3.0, HDMI, DP, RJ-45, Audio I/O Input Devices : Standard Keyboard, Mouse (USB) Power : 65 W Dimensions : 18.2 x 17.8 x 3.6 cm Weight : 1.41 kg hdm