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 around. I will add an SSD. : r/pcmasterrace
Solved: HP Z600 Grafikcard upgrade. - HP Support Community - 7042755
Boosting a HP Z400 Workstation with a Modern GPU (GTX 1660 Ti) - Boiling Steam
Z400 Case Swap - HP Support Community - 7752892
HP Z400 Gaming PC W3680 24GB RAM RTX 2080 SUPER - YouTube
HP Z400 Workstation LGA 1366 Intel Motherboard 586766-002 for sale online | eBay