M.2 NVMe + M.2 SATA 80mm SSD PCIe x4 Adapter with Heat Sink - Micro Connectors, Inc.
What does the X4 mean in an M.2 PCIe Gen 3.0 X4 NVME drive? Solved - Windows 10 Forums
M.2 Nvme Ssd Ngff To Pcie X4 Adapter M Key Interface Card Support Pci-e Pci Express 3.0 X4 2230-2280 Size M.2 M2 Pcie Adapter - Add On Cards & Controller Panels - AliExpress
M.2 NVME to PCIe 3.0 x4 Adapter, M.2 NVME SSD to PCI-e 3.0 x 4 Host Controller Expansion Card, Supports 2280, 2260, 2242, 2230 Solid State Drives
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 -