Typical PC power consumption varies depending on the hardware, however, the below provides a guide on typical usage.
|| 50 W to 200 W *
|| 5 W
|| 1 W to 3 W
|| 1 W **
* Power consumption when your machine is on varies depending on your hardware and its activity, although most desktop machines draw around 100 W.
** Almost all PCs draw some power even when they are off.