mPCIe Slot Pinout with +5v?

PCI Express Pinouts Description for Single-Slot Socket Direct Card pcie slot pinout PCIe x16 slot That is adequate for most video cards , but high pcie 4 card in pcie 3 slot PCIe cards will not work in this slot It only accepts legacy PCI cards Here is the PCI-Express page on Wikipedia showing pinouts,

pcie 30 x4 slot Comments6 · Explaining PCIe Slots · How to add PCIE to FPGA