CM4 PCIe to M.2 Adapter Card Upgrade Hard Drive With Screws For NVME M.2 SSD d
(not include CM4 and SSD). 1 x PCIe to M.2 Adapter Card. Compatible with for Raspberry Pi Compute Module 4. Round Air Duct Reducer Connector 80mm 100mm 120mm 1250mm 150mm ABS Plastic. Compatible with M.2 hard drives of different sizes.