PCIe lanes are data channels within a PCIe slot, which is used for transmitting and receiving data between the motherboard ...

When attached to a motherboard's PCIe x16 slot, a card such as the GeForce RTX 4080 can draw up to 75W from the +3.3V and +12V rails (3.3V x 3A + 12V x 5.5A). This is the maximum amount specified ...