HP ProDesk 400 G4 Micro Tower - 7th Gen Pentium G4560 2C/4T, 8GB DDR4 - $89.00 free shipping
7th gen QuickSync
Faster CPU than the HP 290
8GB of RAM, so no upgrade needed
Doesn’t have a HDD cage, but you can use this NVMe adapter.
PCIe config is 2 x16 physical, electrical config is x16/x4