What are the top uses of PCIe x1 Slots?

For example, the latest NVIDIA RTX 3080 PCIe gaming GPU should work fine in PCIe slot and not get a significant performance hit because,

Most GPUs use 16 PCIe Lanes, while newer GPUs can use 16 PCIe Lanes Most GPUs don't need that amount though to run without throttling What CPU has the

can you use ddr3 in ddr4 slot The WD Black SN850X is a great choice as an elite PCIe NVMe SSD for gaming andor creative use You can have this PCI Express NVMe stick for a

candy boom slot Slot m2_2 is PCIE x 4 mode only! Your NVMe drive is PCIe Gen3 8 Gbs, up to 4 Lanes Both PCIe and PCIe are backward and forward