PCIe vs NVMe: Are They the Same?

What is the difference between PCIe Gen 3 and PCIe Gen 4? pcie gen 4 in gen 3 slot 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 30 x4 slot PCI Express Gen 3 x8 but i get the same behaviour if i put it in slot 4 (PCI Express Gen 3 x16 ) is this a known issue

pcie 4 nvme in pcie 3 slot PCIe or Gen 5 is essentially just a new standard of PCIe that brings double the amount of data transfer compared to PCIe or Gen 4 This enables higher