Greetings, iam Michael Knorr, You have yourself a good one!
How Do I Know What Pci Slot I Have? [Solved]
Remove the case or side panel for your PC to locate the motherboard. You’ll see something that resembles the one in the image below. If you find a port that’s the same as the highlighted one, then your motherboard is equipped with a PCIe x16 slot.25 Apr 2018
PCI Express (PCIe) 3.0 - Everything you Need to Know As Fast As Possible
PCIe
How To Check PCIe Version of Slot and Motherboard
Here I explain how to
Explaining PCIe Slots
PCIe slots