Operating System: Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset : Intel B365 Processors : Intel 8th & 9th generation Core i7, i5, Core i3 Memory Support : Two (2) DIMM slots , Up to 32GB DDR4 Memory Hard Drive : SATA or Solid State Drive Removable Media : DVD-ROM (optional) Expansion Bays : N/A Expansion Slots : One PCIex16 expansion card slot and one PCIex1 expansion card slot Graphics : HD Graphics 630 Audio : One headset (headphone and microphone combo) port, and one Line-in/Line-out/mic Jack Communications : REALTEK RTL8111H, 10/100/1000 I/O Ports : Two USB 3.1 Gen1 ports, Four USB 2.0 ports, RJ-45 port,One HDMI 1.4b port and one VGA port, One SD-card slot Power : 100-240VAC, 200-240VAC, 50?60 Hz Dimensions : 290 mm x 293 mm x 92.6 mm Weight : 4.8 kg