DDRdrive hits the ground running - PCI-E RAM-based SSD - PC Perspective
H1111z Add On Card Sata3 Pci-e/pcie/pci Express Sata 3 Controller Multiplier Sata Card/expansion Pci E Pcie X1 Sata Port Adapter - Add On Cards & Controller Panels - AliExpress
Some time ago there was a pci card that could turn RAM into a SATA drive. With the innovations in PCIe gen 4 and gen 5, would it be viable to try