LENOVO ThinkStation P620 V2 - AMD TR Pro 3955WX 3.9GHz 128GB DDR4 2TB NVMe SSD RTXA4000 16GB 4DP WIN11 PRO DG Hign End DPK WW 3yr Premium Wty Power that can’t be beat This AMD technology gives the ThinkStation P620 Tower AMD up to 64 cores and 128 threads—all from a single CPU. Simply put, other workstations would need at least two CPUs to accomplish what the ThinkStation P620 Tower with AMD Ryzen™ Threadripper™ PRO can do with one. Processor AMD Ryzen™ Threadripper™ PRO 3955WX Processor (3.90 GHz up to 4.30 GHz) Operating System Windows 10 Pro 64 preinstalled through downgrade rights in Windows 11 Pro 64 Graphic Card NVIDIA® RTX™ A4000 16GB GDDR6 Memory 128 GB DDR4-3200MHz (RDIMM) - (4 x 32 GB) Storage 1 TB SSD M.2 2280 PCIe Gen4 TLC Opal M.2 Storage Card N/A AC Adapter 1000W Pointing Device USB Optical Mouse Keyboard USB, Traditional, Black with Number Pad - English (US) Networking Marvell AQtion AQN-107, 1x 10GbE RJ-45 Warranty Three Year Premier Color Graphite Black Form Factor Tower Power Supply 1000W