Operating System : Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset : Intel Q470 Processors : Intel 10th Gen Core i3,i5,i7 Memory Support : Two (2) DIMM slots , Up to 64 GB DDR4 SDRAM Hard Drive : HDD or SSD M2 Removable Media : N/A Expansion Bays : (1) 9.5 mm Slim Optical Disc Drive, 6.35 cm (2.5 in) Internal storage drive, 8.89 cm (2.5 in) Internal storage drive Expansion Slots : 1 x M.2 2230, 1 x M.2 2280, 1 PCIe 3 x1, 1 x PCIe 3 x16 Graphics : Intel 610/630 Graphics Audio : Realtek ALC3205 Communications : Gigabit Ethernet I/O Ports : 2 x USB 2.0 Type-A ports (rear), 2 x USB 2.0 Type-A ports (front), 3 x USB 3.2 Gen 1 Type-A ports (rear), HDMI, RJ-45, DisplayPort Power : 180 W or 240W Dimensions : 269.24 x 302.26 x 93.98 mm Weight : 3.9 kg