What is the command for getting PCI slot information?

PCI slot Figure 1-6 shows the rear view of the PCle3 IO expansion drawer that is equipped with two PCle3 6-slot fan-out modules with the location codes for

A peripheral component interconnect expansion slot is a type of slot that allows you to add additional cards to your computer system These slots are

pcle x1 slot B550M DS3H ; 1 Solid Pin Power Connector ; 2 DVI ; 3 DisplayPort + HDMI ; 4 Realtek GbE LAN ; 5 Ultra Durable PCIe Slot · PCIe® Slot · Running 1*

pcle x16 slot PCI Slot x 3 30423052 B-Key x 1 Mini PCIe Slot x 1 Micro SIM Card Slot x 1