Operating System : Windows 10 Home & Pro MAR, Windows 11 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset : Intel Q370 Processors : Intel Celeron, Intel Pentium, Intel Core i3, i5, i7 8th Gen Memory Support : Four (4) DIMM slots , Up to 64 GB DDR4 - 2666 Hard Drive : M.2, Sata III or SSD Removable Media : Optional Expansion Bays : 2.5in; (2x) 3.5in; 5.25in (slim); Expansion Slots : PCIe 3.0 x16; (2x) PCIe 3.0 x1; PCIe 3.0 x16 (wired x4);wireless NIC, One (1) M.2 2280 for storage drives Graphics : Intel HD Graphics Audio : HD Audio Communications : Gigabit Ethernet I/O Ports : (2x) USB-C 3.1; (2x) USB-A 3.1; (3x) USB-A 3.2; (4x) USB-A 2.0; (2x) DisplayPort; RJ45; Headset; Line-Out; Line-In; RJ45 Power : 250 W active PFC Dimensions : 100.08 x 337.82 x 308.10 mm Weight : 8.99 kg