How does lspci find out physical slot number of a PCI device?

In terms of quality, AliExpress has strictly checked that merchants provide high quality products so that consumers can buy the best pcie slot! In terms of

The Advantage · Convert a single PCI Express slot to four additional external PCI slots without any driver or software installation required

slot giant Pi+ PCIE 1 to 7 USB Slot PCI-E PCI Express Riser Card 1x to 16x Multiplier Hub Adapter in Pune offered by Tavat Ingenious Products Pvt Ltd Get

slot island If you have GPU that takes up only 1 slot, then you can use all the PCIe slots on your motherboard But high-end GPUs with massive heatsinks