PSU wattage safety question

hello
i have to ask is it safe to run pc with 550W PSU when i counted the total power consumption to be 320W ?
i dont quite understand these wattage requirements and even the PSU has greater W i just have to ask to make sure it wont blow up in some point?

thank you

(hope this came to right forum)
8 answers Last reply
More about wattage safety question
  1. The quality of the PSU comes into play here, what brand is it?
  2. I should run it, but build is right we need to know what brand it is - if it's PC Power and Cooling, Antec, Corsair, Seasonic, OCZ, or one of a couple other brands you should be fine, but if it's a cheapo generic one, it might be iffy (maybe not enough to blow up, but still not the best idea).
  3. hey thanks
    its:
    COMPUCASE PSU 550W 12CM ATX12V2.0
  4. thats not a good psu
  5. how come obsidian86 ? are the specs not good or bad rebutation ?
  6. bad rep
  7. heh, its HEC Compucase, so not generic. I just wouldn't call them a well trusted company.

    Ok i read an older review of the Win550UB model, it performed on par with an S12 from Seasonic. It's efficiency was rated @ 73%. Review is from 06.

    http://www.madshrimps.be/?action=getarticle&number=4&artpage=1622&articID=403
  8. electricity isnt pushed by the power supply

    is drawn by the device using it

    your pc uses 320 watt so thats how much the psu is delivering . The wattage limit for a psu is the point it cant deliver stable voltages or it gets too hot because its over loaded .
    Your machine is fine , but as pointed out you dont have a premium brand psu . Since you arent drawing near the limit , and your pc is stable DONT WORRY ABOUT IT TOO MUCH
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