Onboard m2 slot or pcie m2 expantion card? which is faster?

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which slot machine has the best odds Some motherboards will only have one slot that can run at NVMe PCIe bandwidth, whereas others may be restricted to using SATA bandwidth

which slot game is easy to win And heres all info on the : SSD5, 80mm,SATA III,540s Series,480GB All this is very confusing to me,and I`m sorry if I seem difficult In the motherboard 1 x connector , integrated in the Chipset, supporting Socket 3, M key, type 22422260228022110 SSDs: Supporting PCIe