QNAP QDA-UMP U.2 (SFF-8639) NVMe to M.2 NVMe SSD Adapter
This adapter allows connecting the standard 2280 M.2 NVMe SSD to the U.2 (SFF-8639) interface. Supports only PCIe drives, not SATA. This is a leftover of the build that I have never finished and is pretty much in ideal condition.