How To Check PCIe Version of Slot and Motherboard

PCIe : Everything You Need to Know About pcie 3 0 x4 slot 3 shows that the 2nd slot takes lanes away from the top PCIe x16 slot Also, since both slots support PCIe 3 x4, they have to pcie x1 slot function x4, x8 and x16 You'll be able to do more with less in this case, since a PCIe x8 slot can handle almost exactly what a PCIe x16 slot

pcie m2 slot Add up to four NVMe SSDs using only one PCIe slot ⦁ Designed for use with 2280 form factor SSDs ⦁ Compatible with PCIe motherboards and backward