HP Workstation Z400 (4 slots) SSD / Hard Drive Upgrades - Low Cost Delivery | Mr Memory®
HP Z400 Workstation, getting the M2 Samsung 950 EVO to work ... - HP Support Community - 8443086
Solved: SSD Upgrade in a HP Z400 Workstation | Experts Exchange
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
SSD Upgrade for HP Compaq Desktop 290 G4 Micro 256GB/512GB/1TB/2TB | eBay
Solved: Z400 Aftermarket Upgrades - HP Support Community - 5691838
SSD Upgrade including Carrier for HP Z440 Workstation - Ready to install - Fox in the Box