B550-A Pro M2_1 Slot not working?

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

Two NVMe SSD slots on a low-profile x8 PCIe card Add your own SSDs For Mac, Windows, and Linux

m2 vs nvme slot Hi, 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

m2 slot screw Current offerings support PCIe Gen 3, but ATP is slated to launch its new range of NVMe SSDs sporting the PCIe x4 interface to meet the