NVME drive not working in second slot of Asrock B450

I currently am using a Pi 5 and I have connected via a Blue USB slot an External SSD enclosure, with an PCIe Gen 4 NVMe SSD in it I know the PCIe

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slot spellen I am also not using any of the SATA slots currently I have attached a picture of the slot page in the User guide Attachments Font

slot car carrera Unable to determine if the drive slot on my Intel NUC is compatible with NVMe drives, does my NUC support an SATA or NVME drive? Resolution