PCI Express 1x, 4x, 8x, 16x Bus Pinout Diagram @ PDF

We need to connect 6-pin or 8-pin PCIe power cable to the Riser

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

pcie 30 x4 slot Host Adapters ; PCIe Host Port PCIe x16 Edge Finger ; Internal PCIe Port Two SFF-8654 8x 85ohm 74pin Connectors Connector Pinout ; Switch for enabling REFCLK

pcie 40 gpu in 30 slot x1, x4, x8, and x16 PCI Express slots DMA channels 8, can be used Device Pinout Figure 6 NI PCIe-6323 Pinout 1378 Some motherboards reserve