450w power supply to substitute and old 250W one

Hi, first message here.
I have a 450W power supply to substitute an old 250W one for my motherboard and PC.
The question is, since I am not an expert in power supplies, can my circuits take some damage if I use this greater W power supply than the originally designed one?
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More about 450w power supply substitute 250w
  1. Best answer
    Your power supply merely makes the power available, the components in your system will only draw as much power as they need. You could replace your 250W unit with a 1500W unit and as long as all the right connectors are there it will work fine.
  2. thanks man, I gave it a try, and it worked :)
  3. Best answer selected by jstitch.
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