Dell Precision Tower 3620MT Intel i7-7700K (Quad Core 4.2GHz, 4.5Ghz Turbo, 8MB) 32GB (2X16GB) 2400MHz DDR4 UDIMM Non-ECC (4 Dimm Slots; Up to 64GB ), 2.5" 256GB SATA SSD, 2.5” 1TB SATA (7,200 RPM), Integrated Intel SATA controller, RAID 0/1/5/10, 16x Half Height DVD-/+RW, Intel HD Graphics 630, Dell Optical Mouse MS116 Black, Dell Multimedia Keyboard - Russian (QWERTY) – Black, Up to 90% efficient 365W PSU, TPM, LAN 10/100/1000, Integrated Realtek Audio ALC3861. 4x USB 2.0 ( +2x Internal ) / 6x USB 3.0 / Front :1xMicrophone, 1xHeadphone / 4x Internal SATA 6Gbs / 2 x PS2 /2 x DisplayPort / 1 – HDMI/ 1 – Serial/ Rear Audio Line in/Microphone 1 – Audio Line out / Bays: 2x internal 3.5” bays - supports 2x 3.5” or 4x 2.5” drives; 2x external 5.25” optical bays. Slots: 1x Full Height PCIe x16 Gen3; 1x Full Height PCIe x16 Gen 3 (wired x4); 1x Full Height PCIe x1 Gen3; 1x Full Height PCI; 1x M.2 (22x80 mm)