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XFX ATI Radeon 4770 w/ this 450w PSU?

Last response: in Graphics & Displays
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December 13, 2009 3:40:25 PM

Hi all,

Given that the 4770 requires a *minimum* 450w, and that's what I have, wanted to share my specs to see if I'm going to run into trouble:

PSU: Thermaltake 450w Black Widow
Output --

+ 3.3v x 24 A
+ 5V x 15 A
+ 12v x 17A
+ 12v x 16A (so I have 2 12v rails?)
- 12v x .3A
- 5vSB x 3A (no idea what negative voltages are for)

Rest of the PC:

Lenovo IdeaCentre K230(5359-3AU) Core 2 Duo E7400(2.80GHz) 6GB DDR2. All I've done with it since buying it was upgrade to Win 7 and throw the 280w stock psu in the garbage and replace with above.

Anyways, would like to buy this card (using Bestbuy because I have a gift card there)
a c 1378 U Graphics card
December 13, 2009 3:45:56 PM

Yes it will run on that
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a b U Graphics card
December 13, 2009 3:52:12 PM

^ +1 to rolli, that PSU will have no problem running the 4770
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a b U Graphics card
December 13, 2009 3:53:22 PM

Yes it will run on your Thermaltake PSU.
Actually HD4770 will even run on a quality 400W unit.
It is an energy efficient card.

An 80+ certified 450W PSU can even take HD4870/GTX 260.

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December 13, 2009 4:18:27 PM

So here's a noob question:

I have a 6 pin connector to provide additional power to a PCIe card that is free right now.

However, there is also a modular 6 pin that came with the PSU that I can plug in. Does the modular 6 pin cord access the 2nd 12v rail?

Or, should I just use the 6 pin 12v that I have free?
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a c 1378 U Graphics card
December 13, 2009 4:20:50 PM

just use the 6pin PCIe
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December 24, 2009 7:16:53 AM

shubham1401 said:
Yes it will run on your Thermaltake PSU.
Actually HD4770 will even run on a quality 400W unit.
It is an energy efficient card.

An 80+ certified 450W PSU can even take HD4870/GTX 260.


Thanks, so the Corsair 400W should work fine with the XFX Radeon 4770?
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Best solution

a b U Graphics card
December 24, 2009 7:22:24 AM

TrantaLocked said:
Thanks, so the Corsair 400W should work fine with the XFX Radeon 4770?



Yes It will Run a HD 4770 without breaking a sweat!!
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