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I need a replacement for the Nvidia 220 GT

I have a Dell Studio XPS 8100, and I need a replacement for the Nvidia GeForce 220 GT that came with it from Dell, simply because I want a bit more FPS in my games. But I'm limited by my PSU, which is a Chicony cpb09-001b. I was looking at the Sapphire Radeon HD 7750, but it has a requirement of 400w, my PSU is 350w. I did some digging around and used Newegg's PSU Calculator, which tells me that the wattage with my loadout and the 7750 is 343w, and the wattage with my current 220 GT is 345, which means that if I get the 7750 it'll be using LESS power, and it will be able to handle the new graphics card easily. Is this correct?
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  1. What is the PSU spec ? does it even draw 350 watt ? how much amperes is it on the v12 rails ?
  2. The 7750 does indeed draw less power than the gt 220 although much more powerful, if your CPU can handle it well enough, I'd go for one of those.
  3. merandos said:
    What is the PSU spec ? does it even draw 350 watt ? how much amperes is it on the v12 rails ?

    I took a picture since I still don't know what a lot of the PSU terminology is, I hope you get what you need from this.

  4. Best answer
    Ok, it'll pull a max of 300w. A 7750 should work.
  5. 12v rails shall not exceed 300w, as mace said, the 7750 will work...it is not a power hunger you know....
  6. Best answer selected by boias_john.
  7. Excellent, thank you both for the prompt answers.
  8. You are welcome ;)
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