TUF GAMING B760M-BTF WIFI D4 Product different Compare

2 devices are x4 or less lanes PCIe devices Don't matter if the adapter PCB physically fits a x4x8x16 slot, the is and always will be x4

You can put anything smaller than the slot in just fine It's the PCI-e bracket screw that really holds things into place I'd get the

can you use a pcie 40 nvme in a 30 slot Yes, it works just fine, obviously it's only work at x4 speed I would check whether the x16 slot can handle the power load of the

candy slot PCIE cards are backwards compatible with the and the slots, but you won't be able to enjoy the full extent of your new PCIE card