HP Z8 G4 Workstation Desktop PC (11R17EA) - Intel Xeon 6226R Processor, 96GB DDR4 2933 DIMM ECC RAM (12 x 8GB, 24 Slots, 3TB Max), 512GB M.2 TLC Solid State Drive, No Optical Drive, NVIDIA Quadro RTX 4000 8GB Graphics, Connectivity: Front: 1 x headset connector, 4 x USB 3.1 (1 charging), Rear: 6 x USB 3.1 Gen 1, 2 x RJ-45 (1 GbE), 1 x audio-in, 1 x audio-out, 1 x PS/2 mouse port; 1 PS/2 keyboard port, 1 x serial, Windows 10 Pro 64-Bit