Amazon.com: M.2 NVMe SSD NGFF to PCIE 3.0 X16 /X4 Adapter M Key Interface Card Support PCI Express 3.0 x4 2230-2280 Size m.2 Full Speed (Black Gold) : Electronics
PCI Express 2.5in. NVMe SSD Adapter - Drive Adapters and Drive Converters | Hard Drive Accessories | StarTech.com
StarTech.com M.2. PCI-e NVMe to U.2 (SFF-8639) Adapter - Not Compatible with SATA Drives or SAS Controllers - For M.2 PCIe NVMe SSDs - PCIe M.2 Drive to U.2 Host Adapter -
Amazon.com: KONYEAD Quad PCIe NVMe M.2 SSD Adapter Card-PCI Express 3.0 x8 Card Support 4X M.2 NGFF PCIe NVMe SSD for Mac & PC (ASM2824 Switch)-Support Non-Bifurcation Motherboard(3002K) : Electronics
Generic - M.2 NVMe PCIe Adapter Card
StarTech.com Dual M.2 PCIe 4.0 x8 x16 to Dual NVMe or AHCI SSD (DUAL-M2-PCIE -CARD-B)