EXtreme PSU calculator true or false?

Hello there,

I just bought a new radeon GPU and wondering whether I have the necessary power to run my custom built PC smoothly so here are the details I got from analyzing with eXtreme power supply calculator. Is that true? I have a stock (chinese) 450W PSU so do you think that's enough for my PC?

System Type: 1 physical CPU
Motherboard: Regular - Desktop
CPU Socket: Socket LGA 775
CPU: Intel Pentium Dual-Core E5400 2700 MHz Wolfdale-3M
CPU Utilization (TDP): 90% TDP

Video Card 1: AMD Radeon HD 5570

IDE HDD 7200 rpm: 1 HDD
Regular SATA: 1 HDD

DVD-RW/DVD+RW Drive: 1 Drive

Sound Blaster - All Models: Yes

USB: 3 Devices
Fan Controller: Yes
Front Bay Card Reader: Yes

Regular: 2 Fans 80mm;

Keyboard and mouse: Yes

System Load: 90 %

Minimum PSU Wattage: 209 Watts
Recommended Wattage: 259 Watts
7 answers Last reply Best Answer
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  1. Seems like a reasonable value however I wouldn't trust the Chinese PSU.
  2. Yes me too but until I find a job I have to stick with it anyway :(
  3. Best answer
    Your 450W is enough for your Radeon HD 5570 -- you should have no problem with it, however PSUs failures may damage other components, so be warned!

    For your reference have a read at "Don't Be Surprised When Your Cheap PSU Blows Up ",2862.html
  4. Yes I know lot about blowing up PSUs :P because my last gigabyte 550W PSU just blown up when a damn cockroach went inside it :( so since then I have to stick with these chinese ones btw.
    Thanks for the replies and I'm gonna upgrade my PSU as soon as I find a job :)
  5. Good luck with your job seeking!
  6. Thanks :)
  7. Best answer selected by pasanwc.
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