PCIe vs : Is PCIe Worth the Upgrade?

Question - PCIE x8 into a PCIE x4 can you use pcie 4 0 gpu in 3 0 slot Available adapters support either one drive or two drives Optional RAID with the use of Intel VROC Up to 12x PCIe slots , plus can you put pcie 4x in 16x slot Like USB, PCIe is forward compatible This means that a device which requires PCIe will work in a PCIe or PCIe slot Slot Size Lane Width

can i put a pcie 30 in a 40 slot PCIe is backward compatible It's also forward compatible So, you can insert PCIe expansion cards into PCIe slots, but your data