Operating System: Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset : Intel Q370 Chipset Processors : Intel 8th generation Core i7, i5, i3 Memory Support : 4 UDIMM slots , Up to 64GB 2666MHz DDR4 Non-ECC memory Hard Drive : HDD, SSD, SSD M2 Removable Media : N/A Expansion Bays : 1 x 3.5" or 2 x 2.5" HDD, 1 internal slim ODD Expansion Slots : One (1) PCIe x16 Half Height, One (1) PCIe x4 Half Height, One (1) M.2 For storage, One (1) M.2 for wireless Graphics : Integrated Intel HD Graphics 630 Audio : Integrated Audio Codec Realtek ALC3234 Communications : Integrated Intel I219-LM Ethernet LAN 10/100/1000 I/O Ports : Front: 1 x USB 3.1 Gen 2 Type-C with PowerShare, 1 x USB 3.1 Gen 1, 2 x USB 2.0, headset port/Universal audio jack, Rear: line-out, DisplayPort, RJ-45, Kensington security cable slot Power : 200W Dimensions : 29.0 x 9.26 x 29.2 cm Weight : 5.26 kg