Amazon.com: AMPCOM M.2 NVME SSD to PCIe 4.0 X4 Adapter Card with Copper Cooling Best Heatsink Upgraded for Desktop PC, PCI-E GEN4 Full Speed 64Gbps : Electronics
Samsung 980 Pro SSD disk, 500 GB, M.2, PCI-e 4.0 x4 NVMe, 80 mm | mimovrste=)
Amazon.com: Sedna - PCI Express (PCIe) Dual 2.5 Inch SATA III (6G) SSD Adapter (Short Double Side SSD Version) (with Built in Power Circuit, no Need SATA Power Connector, Best for Mac),
Delock Products 90433 Delock PCI Express x2 Card for 4 x SATA HDD / SSD RAID
Amazon.com: Sedna PCI Express (PCIe) SATA III (6G) SSD Adapter with 1 SATA III Port (with Built in Power Circuit, no Need SATA Power Connector, Best for Mac), SSD not Included :
This PCI Express Card Holds 21 SSDs for 168TB of Super-Fast Storage | Extremetech
Samsung SSD disk 970 Evo Plus 250GB M.2 80mm PCI-e x4 NVMe | mimovrste=)