Amazon.com: A ADWITS PCI Express 3.0 4X 8X 16x to M.2 NVMe and AHCI SSD Adapter Card with Heat Sink, Bracket-Free and Compatible with Samsung 960 970 EVO PRO WD Black and
Inland Performance 1TB 3D TLC NAND PCIe Gen 4 x4 NVMe M.2 Internal SSD - Micro Center
Amazon.com: New Dell Ultra SSD M.2 PCIe x4 Solid State Storage Adapter Card 80G5N TX9JH SSD Not Included : Electronics
The Dell 4x m.2 PCIe x16 version of the HP Z Turbo Quad Pro
NeweggBusiness - Dual M.2 PCIe 4x Adapter for SATA or PCIe NVMe SSD with Heatsink, RIITOP M.2 SSD NVME (M Key) and SATA (B Key) 22110 2280 2260 2242 2230 to PCI-e