PCIe SSD not showing in bios

I had an Asus HYPER X16 GEN 4 CARD for 4 Nvme but it's OK for only one slot I should change to x4x4x4x4 in my bios Another idea was to

I had an Asus HYPER X16 GEN 4 CARD for 4 Nvme but it's OK for only one slot I should change to x4x4x4x4 in my bios Another idea was to

m24 slot Yes, the second slot is expected to run on two lanes as mentioned in the product specifications Storage Slot RTX 3060 model:

m2 sata vs nvme slot 2 standard contains variants with up to four PCIe lanes, one SATA 6 Gbs and or one USB port So, it is possible to connect PCIe as well as SATA SSDs How