PCIE Connector Pinout Splint 164 Pin 16X Slot Black Injection

Technical question about PCIE 16x pinout : rtechsupport pcie slot pinout We need to connect 6-pin or 8-pin PCIe power cable to the Riser pcie slot height PCI Express - 1-lane slot ; a01, PRSNT#1 ; a02, +12V ; a03, +12V ; a04, gnd

pcie 4 in pcie 3 slot I'm not 100% sure but if I remember correctly mini PCIe used in laptops for WiFi or similar has different pinout then PCIe slots on desktop