Radeon HD 7770 on 400w psu

I recently bought a Radeon HD 7770 just got it in the mail today. Went to go buy a bigger PSU since it requires 450 can't find one in stores near me so i am just going to order one off newegg but I am wondering if i could run the card in my desktop until i get the PSU which will be about 3 or 4 days depending on my luck with shipping thanks
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More about radeon 7770 400w
  1. A 7770 should be ok on 400w as long as there is no other power hog in the system.
  2. As long as there's no smoke coming out I think you'll be fine.
  3. there's nothing else that would be pulling much just the one card small hard drive and processor
  4. I would go for it then.
  5. thanks for the fast responses I'm going to install and see what happens
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