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HP Z840 Workstation (High End), 2X E5-2687W v4 up to 3.5GHz (24 Cores Total), 128GB DDR4 RAM, 4X 1TB SSD, NVIDIA Quadro M5000 8GB (4X Display Port), ,

Amazon.com: HP Z840 Tower Server - 2X Intel Xeon E5-2643 V3 3.4GHz 6 Core - 96GB DDR4 RAM - LSI 9217 4i4e SAS SATA Raid Card - 2TB (2X New 1TB SSD ,

HP Z840 28-Core E5-2697 v3 2.60GHz 64GB 512GB SSD 1TB HDD M5000 Win10 Pro | eBay,

Amazon.com: HP Z840 Workstation (High End), 2X E5-2699 v3 up to 3.6GHz (36 Cores Total), 128GB DDR4, 4X 1TB SSD, NVIDIA Quadro M5000 8GB (4X Display Port & DVI), USB 3.0, Windows