HP Z400 Systemboard Intel 1333MHz LGA1366 586968-001 586766-002 [586968-001 586766-002] - $193.70 : Professional Multi Monitor Workstations, Graphics Card Experts
Gaming on a Cheap Xeon: The HP Z400 Workstation
HP Z400 Workstation Xeon 3.06GHz W3550 4 cores 8GB RAM 2X 1TB HDD WINDOWS 10 PRO | eBay
HP Z400 Workstation Review | FedTech Magazine
Managed to get an old HP Z400 workstation for the equivalent of $75 USD. Xeon W3520, 6x2gb of ram and I replaced the Quadro FX580 with a GT 730 I had laying
HP Z400 Workstation PC Tower Xeon W3503 @ 2.4GHz 3GB RAM 148GB HDD Win10 Pro | eBay