
HP Z820 Workstation Intel Xeon 24 Cores 2.7GHz 256GB RAM 512GB Solid State Drive + 2TB Hard Drive Dual NVIDIA Quadro K4000 3GB Graphics Windows 10 Pro ,

HP Z820 Workstation 2X E5-2640 Six Core 2.5Ghz 64GB 500GB K2000 (Renewed),

Amazon.com: HP Z420 Workstation Computer-8 Core Intel E5 2670 up to 3.3GHz CPU 20 MB Cache-64GB DDR3 ECC RAM 1TB SSD 4TB HD -Nvidia Quadro 4000 2GB - 3D Rendering and Designing/,

Amazon.com: HP Z620 Workstation 2X Intel Xeon E5-2670 2.6GHz 16-Cores Total 96GB RAM No Hard Drive NVIDIA Quadro 600 No OS (Renewed) : Electronics,

Amazon.com: HP Z840 Workstation, 2X Intel Xeon E5-2678 v3 up to 3.1GHz (24 Cores Total), 128GB DDR4, 4X 1TB SSD, Quadro M2000 4GB (4X Display Ports), USB 3.0, Windows 10 Professional 64-bit (,