Dell Precision 7920 RackmountWorkstation - Xeon 4116 32GB H730P 2x1TB Quadro P4000 » Vista IT Group
Refurbished: HP Z440 Workstation Desktop PC, Intel Xeon E5-1620 v3 3.5GHz, 16 GB DDR4 RAM, 1 TB SSD, Nvidia Quadro K2200, Windows 10 Pro Grade B - Newegg.com
HP Z400 Desktop Workstation - Intel Xeon 3.33GHz CPU, Quadro NVS 295 Video Card | eBay
HP Z820 - Refurbished Workstation | PC Server & Parts
HP Z420 Workstation, Quad Core Xeon CPU upto 3.8GHz CPU, 16GB DDR3 RAM, New 240GB SSD & New 1TB HDD, Windows 10 Pro, USB 3.0, Nvidia Quadro 2000 1GB Video Card, WiFi (Renewed)