Z690 PCIe slot question

The first slot is blue and appears to be an X16 slot It is where the supplied Nvidia graphics card was factory installed I assume

Therefore, some PCIe x16 slots might only have x8 PCIe lanes Usually, this wouldn't be problematic, even if you want to attach a GPU card to it

what is a slot drill bit used for How do PCIe slots work? · PCIe x1: These are the smallest PCIe slots, used for almost any other cards like average network adapters and USB

what is the slot in golf The second chipset is fed by the first chipset, and one of them feeds the third slot and the fourth Looks like you get x16 in the main slot