WD Red SN700 as primary NAS disks

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There is NVMe to U.2 adapter or M.2 SATA to 3.3inch SATA adapter. But I have never seen NVMe to SATA. Here is the list https://www.qnap.com/en-uk/product/compa...omizedrive
You could get a USB / NVMe enclosure and PCIe NVMe SSD cards. But not SATA.