Works out of the box on the latest (after July 2021) Raspberry Pi CM4. If you’re not using the latest Raspberry Pi CM4, you’ll need to update the bootloader specifying the correct boot order.

Use standoff for the NVMe drive, 2mm (2.5mm works fine) high.
M.2 key M connection port. Sizes:

• 2230
• 2242
• 2260
• 2280
• 22110