Precision 5820 CTO, Tower Core X 950W PCIe FlexBay Chassis CL, Intel (R) Core (TM) i9-10980XE 3.0GHz,(4.8GHz Turbo, 18C, 24.75MB Cache, HT, (165W),DDR4-2933 Non-ECC), 16GB, 2x8GB, DDR4 UDIMM non-ECC memory, M.2 1TB PCIe NVMe Class 40 Solid State Drive, Nvidia Quadro RTX4000, 8GB, 3DP, VirtualLink (XX20T), Intel Integrated controller (RST-e) with 1-2 Front FlexBay NVMe PCIe Drives, TCO Certified, Dell M.2 carrier, CPU Heatsink 5820 Tower, 16x Half Height DVD-/+RW, Intel NVMe PCIe SSD (Front PCIe