What Are PCIe SSDs and How to Use Them As a Boot Drive

How to identify if your hardware is working properly? how to check if pcie slot is working PCIe slots are used to connect graphics cards, sound cards, other interface cards and some how to trick a slot machine to win If I use lspci and grep for PCI bridge I get 14 devices total I have 3 physical slots so which ones are they?

how to win on slot machines every time Im looking to find out if there are any empty pci-e slots inside without having to rip it open Device manager lists 3 PCI express root