PSU and power consumption.

[RoccoMartinello]

Hi to all,
my PC is an assembled PC and manufacturer provided it with a 300W PSU.
Now this PSU is gone and I chose a 450W PSU.
If my PC has the same specs but a 450W PSU instead of a 300W PSU will my electric bill increase?
Thank you in advance for your answers!!!

 

[ss202sl]

The PC will only draw what it needs, not the maximum of the PSU. With that being said, there may be some differences in the efficiency of the 2 PSU's that may make a small difference, but overall it shouldn't affect the power bill.

 

[bignastyid]

Depends on the psus effeciency, but doubt it will be a noticable difference either way.

 

[RoccoMartinello]

Hi ss202sl!!!
Thank you very much for your answer!!!

The PC will only draw what it needs, not the maximum of the PSU. With that being said, there may be some differences in the efficiency of the 2 PSU's that may make a small difference, but overall it shouldn't affect the power bill.