What Are PCIe Slots & Their Uses?

The part of the spec sheet says that there are two PCIe x16 Safe Slots that support x16, x8x4 modes) Which, the way I read it, says

In this video, I talk about the different types of PCIe slots and what their uses are There are

what are class 2 slot machines Recently ripped out my second pcie slot on account of my stupidity and my beefy gpu getting stuck in it Pc is working fine tho

what''s a slot A very simple design that screws into unused PCIe slots on the PC chassis in order to support a GPU and prevent sagging