PCIE Gen 4 confusion

If I install a Gen 3x4 drive in either of these boards, will this reduce bandwidth on the PCIE 3 slots? Sorry if all this seems obvious

Yes It's backward compatible It'll work as a device even though it would be capable of working in a slot It will work

can you play slot machines online for real money A Samsung SSD that can use up to four PCIe lanes The numerical naming convention is used to define the size and functionality of the card, here is how:

can you use ddr5 in ddr4 slot 2 X16 GEN 4 CARD for 4 Nvme but it's OK for only one slot I should change to x4x4x4x4 in my bios Another idea was to use the slot for