what pcie slot should i use

What size plug should I use? Find out as I explain gauge, screw sizes, what size pilot hole or clearance hole to drill and what wall plug colours mean and more...

Which website should I use to play the China Shores slot machine for free?

My first M.2 slot is already taken by the main SSD, which i use for the OS and other stuff, i can't really use it. Will a PCIe x4 SSD work on a PCIe x2 slot?