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In previous lessons we've mentioned wattage but we didn't really explain what that means. After completing this lesson, you'll understand what wattage is and how it works. For example, wattage is voltage times Amps. When we say amps, we're describing in a sense like diameter and the voltage would be akin to pressure. So we'll diagram how this works with electricity to give us the measurement of watts, examine how to determine what wattage is most appropriate to certain types of devices, what the max PSU output is, why size plays a factor, what a Y splitter is and what the impact is of varying types/sizes of connectors are. Power supplies are rated in watts, by the maximum amount that they can draw from a well outlet and pass on to the computer. When planning which power supply to use, it is important to know how many of each type of power connector you will need.
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