Help upgrading my old computer into a TF2 playing computer

Hello everone. I have an old COMPAQ CQ5110Y. The specs are in this link. http://bit.ly/RwxvXn
I've just gotten into TF2, and I want a Graphics card that will run it on really good settings. I've done a bunch of research, and I want a GTX 550 ti. I don't know if I'd need a new PSU, or the PCI-E x16 slot is the right one... I just want to know if I could put a 550 ti into my computer, and if I can't, what graphics card would be the best. Thanks.'

-Jdublu10
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  1. I say get a new PSU and step up to a 7770, 6850, or even GTX 560 if you want to go nVidia. If you don't want to upgrade your PSU then you should look at a 7750 instead as that's the best you can do without requiring a 6 pin connector, but even that might be pushing that PSU a little.
  2. i think the 550 would be okay. it's about 8 1/2 inches long. and i think they still put 4pin molex to 6pin pci adapters in the box with the cards. you just need to make sure you have the 2 extra molex connectors to tie into it.
  3. megamanx00 said:
    I say get a new PSU and step up to a 7770, 6850, or even GTX 560 if you want to go nVidia. If you don't want to upgrade your PSU then you should look at a 7750 instead as that's the best you can do without requiring a 6 pin connector, but even that might be pushing that PSU a little.

    Would "pushing my PSU" degrade my performance?
  4. no it won't degrade your performance. it's a binary result. either your computer works, or it will not.

    It may get hot then freeze/hang, turn itself off, reset itself or something along those lines if it is not working.

    I would give it a try first, among the cards mentioned that require power, the 7770 is relatively low power, then if it's not enough power, then upgrade your PSU.

    Heres some charts on power consumption:
    http://www.techpowerup.com/reviews/AMD/HD_7770/24.html

    The next page: power/watt shows the 7770 is 2x as power efficient as the 550:
    http://www.techpowerup.com/reviews/AMD/HD_7770/27.html
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