Does psu always take the same voltage as it has? For example when i have 500 watt psu,...

[Agus Tandri]

Does psu always take the same voltage as it has? For example when i have 500 watt psu, is it always use 500 watts of electricity ?

 

[Mitchel]

No. If your system works at 100% and draws 250W on power, then it will only draw 250W from the wall, no more, no less.

 

[James Owens-Case]

No, a computer only draws what it needs