Precision Dell 5820 Tower CTO BASE, 425W Chassis CL, Intel Xeon Processor W- 2223 (4C 3.6GHz 3.9GHz Turbo HT 8.25MB 120W DDR4-2666), Dual Nvidia T1000, 4GB, 4 mDP to DP adapter, 16GB 2x8GB DDR4 2933MHz RDIMM ECC Memory, 2 x 3.5" 1TB 7200rpm SATA Hard Drive, 8x DVD+/-RW 9.5mm Optical Disk Drive, RAID 1 for SATA HDD, Integrated Intel AHCI SATA chipset controller (8x 6.0Gb/s), SW RAID 0,1,5,10, SATA/SAS Hard Drive/Solid State Drive - RAID Volume, No Additional Network Card Selected (Integrated NIC included), Dell MS116 Wired Mouse Black, Dell Wired Keyboard KB216 Black (English) - US International, I/O Ports: Front: 2 x USB 3.1 Gen 1 Type A, 2 x USB 3.1 Gen 1 Type C, 1 x Universal Headphone Jack, Internal: 1 x USB 2.0 Type A, 1 x 2 x 5 USB 2.0 header. (requires 3rd party splitter cable to support 2 x USB 2.0 Type A ports), 6 x SATA @6Gb/s plus 2 for optical, Rear: 6 x USB 3.1 Gen 1 Type A (6th port supports Power Delivery), 1 x Serial, 1 x RJ45 Network, 2 x PS2, 1 x Audio Line out, 1 x Audio Line in/Microphone, Slots: PCIe Gen 3: 2 x PCIe x16, 1 x PCIe x16 wired as x8, 1 x PCie x16 wired as x4, 1 x PCIe x16 wired as x1, 1 PCI 32/33, Storage Options: Front accessible FlexBays support up to 4 x 2.5"/3.5" SATA HDD/SSDs and up to 6 x 2.5" and 5 x 3.5" drives with 5.25" bay populated, Up to 2 front accessible (hot plug) M.2/U.2 NVMe PCIe SSDs are supported in FlexBay 1 on enabled, Memory Options: Four channel memory up to 512GB 2666MHz and up to 256GB 2933MHz DDR4 (RDIMM) ECC memory. (Up to 256GB 2666MHz DDR4 (UDIMM) Non- ECC memory) 8 DIMM slots. Note: Memory speed is dependent on specific Intel Xeon or Core X Processor installed.Chassis: HxWxD: 417.9 mm, Width: 176.5 mm, Depth: 518.2 mm, Starting at weight: 15.4kg, Windows 10 Pro for Workstations (up to 4 cores, Includes Windows 11 Pro License), 3y Basic Onsite Service Warranty