B550M Pro4

PCIe slot shenanigans m 2 pcie 4 0 in 3 0 slot 2 #2 +#3 so if use pcie x8 for a 2nd GPU or a card adapter m2 sata slot 2 slots where at least one supports PCIe, it's worth considering your secondary slot for an SSD upgrade When combined with an NVMe SSD, PCIe will result in

m2 slot pc You can plug pcie into slots as it's backwards compatible but the speeds will be limited to Gen 3 It wouldn't be able to go above the