RIITOP PCI-e Nvme M.2 Adapter NVMe or AHCI M Key SSD to PCIe 3.0 x 4 C
PCIe 3.0 X4 PLX8724 to 4 Port M.2 NVMe SSD Adapter Expansion Card Quad Mkey Nvme to Pci E Converter for PC 32G/bps win10 linux|Add On Cards| - AliExpress
M.2 NVME(M-key) SSD Enclosure/Adapter/Converter/Case for Type-C or USB 3.1 Gen 2 or Thunderbolt 3 to NVME PCI-E M-Key SSD External Enclosure (Only fit for NVMe PCIe 2242/2260/2280) - WIT Computers
M.2 NVME to PCIe 3.0 x4 Adapter with Aluminum Heatsink Solution
U.2 NVMe SSD to PCIE 3.0 x4 SFF8639 NVMe PCIe Extension Data Cable 5cm - modDIY.com
Amazon.com: Dual M.2 SSD NVME (m Key) or SATA (b Key) to PCI-e 3.0 x 4 Host Controller Expansion Card with Low Profile Bracket and Heatsink for Desktop (Gold) : Electronics
Deoxygene M.2 NVMe SSD NGFF to PCIE 3.0 X16 Adapter M Key Interface Card Suppor PCI Express 3.0 x4 2230-2280 Size m.2 Full Speed - Walmart.com
Dual M.2 PCIe NVMe Adapter Without PCIe Splitter Function (PCIe Bifurcation Motherboard is Required), Support M.2 PCIe 4.0/3.0 SSD Soft RAID Setup in Windows/Linux