PCIE 1x, 4x, 8x, 16x bus pins and signals

PCI Express - 1-lane slot ; a01, PRSNT#1 ; a02, +12V ; a03, +12V ; a04, gnd

Title: PCIE X1 EDGE CONNECTOR - BOARD OUTLINES ; Package: PCI-X_EDGE-X1 ; Description: PCIE X1 based on guideshardwaregraphic20080421

pcie slot width PCI Express connector This connector is a 16-pin, See Chapter 3 Figure 1 Raspberry Pi 5 16W PCIe FFC Connector Pinout

pcie 1 slot Slot 1