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
320GB HP Z400 Workstation 3.5" SATA Hard Disk Drive (HDD) Replacement / Upgrade | eBay
Solved: Z400 Aftermarket Upgrades - Page 5 - HP Support Community - 5691838
How to Upgrade a HP Z400 from a HDD to SSD and Solve winload.exe BSOD Error - YouTube
SSD Upgrade for HP Compaq Desktop 290 G4 Micro 256GB/512GB/1TB/2TB | eBay
hp z400*a look inside ssd installed* - YouTube
Solved: Z400 Aftermarket Upgrades - HP Support Community - 5691838
SSD Upgrade for HP Slim Desktop S01-aF2000i 512GB/1TB/2TB | eBay