PCIe vs : Is PCIe Worth the Upgrade?

What is the difference between PCIe Gen 3 and PCIe Gen 4? pcie gen 4 in gen 3 slot For example, PCIe Gen 3 x1 slots have a bandwidth speed of 1 Gbps, and PCIe Gen 3 x16 has 16 Gbps of connection speed However, current pcie slot x16 Slot power · x1 cards are limited to A at +12 V and 10 W combined · x4 and wider cards are limited to A at +12 V and 25 W combined · A full-

pcie 4 card in pcie 3 slot 2 into a normal PCIe x1 slot, and leaves the remaining 3 lanes unconnected Gen 4 drive at full speed in a PCIe slot: WD SN850 1TB in x4