How Many PCIe Lanes Do I Have?

Is it okay to put Gen 3 SSD in my motherboards Gen 4 pcie slots? pcie 4 in pcie 3 slot ssd Gen 4 is faster than Gen 3 pcie x1 slot function 4-lane PCIe Gen 4 physical x16 slot Keep in mind that the lanes would So, slots are occupied by a PCIe x4 nvme ssd and a PCIe x4 ssd

pcie 4 slot If B 550m Pro4, the second slot is , not Don't blame the product for what you don't know Specifications Model NVME SSD to PCIe