GTX 550 Ti on generic 750w PSU

Ok, here's what I currently got:

Delux ATX-750W P4 (2 12V rails, total of 51A)

Intel Core i3-2100 3.1GHz

Ram: 8GB DDR3 (2x 4GB) Kingston

Motherboard: DH67GD

Video Card: GT 520 2gb

Everything works well, but now I have to change the Video Card and get a GTX 550 Ti. My problem is that I've seen in different sites the power consumption of the GTX 550 Ti, and it varies from 116w to 400w, so I don't really know if it will work on my generic PSU.
It's not that I don't want to buy a new PSU, it's just that there is no "Thermaltake", "CoolerMaster", etc. in my country, just random brands that are not listed as good PSUs. For example, a guy offered me a "RAMBO" PSU (I know, it must be generic) of 1000W for U$100. The only TWO non-generic PSUs cost around U$300 (800w) and U$400 (1200w), which is extremely out of my price range.

So. I want to know if I can run this system with an ASUS GTX 550 Ti instead of the XFX GT 520, considering that my PSU is a generic Delux ATX-750W P4 with 51A.
5 answers Last reply
More about generic 750w
  1. That's horrible luck that you can't really get any better PSU, but the one you have should work. Even the worst 750W units should give you around 500W I would imagine, which is still more than enough for that system. I'd say you should be fine.
  2. Thank you, now I can buy the video card without any doubts.
    This PSU shall suffice until I get the money to buy a good PSU.
  3. and when you buy a good one, then you are looking at needing 500W max, you do not need to even look at 800 or 1200.
  4. Then I'll save up for a 650w non-generic PSU after getting my GTX 550 Ti
  5. 650 is too much and a waste
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