HP Elitedesk 800 G4 SFF Small Form Factor PC, Intel Core i7-8700 3.2GHz up to 4.6GHz 12MB Cache Six Core Processor with intergrated Intel UHD Graphics 630 , 8GB DDR4-2666 DIMM Memory (1x8GB), 256 SSD Solid State Drive, DVD writer Optical Drive, HP USB Keyboard & Mouse, Windows 10 Pro 64, 1x headphone front, 1x headset connector front, 1x USB 2.0 front, 1x USB 2.0 (Fast charging) front, 1x USB Type-C (Charging) front, 2x USB 3.1 Gen 2 front, Gigabit LAN, 1x audio-in, 1x audio-out, 1x power connector, 1x RJ-45, 1x serial, 2x USB 2.0, 2x DisplayPort 1.2, 2x USB 3.1 Gen 1, 2x USB 3.1 Gen 2, 1x M.2 2230, 2x M.2 2230/2280, 1x PCIe 3.0 x16, 1x PCIe 3.0 x16 (wired as x4), 2x PCIe 3.0 x1