If you have a need for 'moar' M2 SSDs, perhaps this is a solution for you? ASRock is about to release a Ultra Quad M.2 card. It can hold four NVMe M2 SSDs, with the ability to place it into a VROC ...

QNAP QM2 cards support either M.2 SATA SSDs or M.2 PCIe NVMe SSDs to enable SSD caching for boosted IOPS performance or to form an auto-tiering volume for optimal storage performance. QNAP extended ...

Some Mac Pro tower users--wanting to run MacOS--successfully used certain M2 SSD cards on PCIe adapters. But what works or not seems complicated, and Apple revised this machine several times. Is it ...