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Radeon hd 7850 on a 550 watt psu

Last response: in Graphics & Displays
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a b U Graphics card
July 2, 2012 8:41:22 PM

What psu size will I need for a 7850??

i want to be able to oc the 7850 and my i5-2500k to 4.5 ghz on a h60.
a c 1405 U Graphics card
July 2, 2012 9:09:04 PM

A quality 550watt would be plenty for that!
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a b U Graphics card
July 2, 2012 9:11:08 PM

okay, will a 500 or do i need the room if i want to oc
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a c 1405 U Graphics card
July 2, 2012 9:13:55 PM

You would probably be fine with a quality 500watts but since they are in the same price range I would go for a 550 for extra headroom. Just pay attention to how many amps they have available on the +12volt rail!
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a b U Graphics card
July 2, 2012 9:47:11 PM

That is a pretty nice looking PSU. It's got a single 12v rail, which is hard to find at that price range, which puts out 40A (480Watts).

I would expect it to be a pretty high quality unit, I've heard corsair PSUs recommended a lot as well.

The 12V output should be sufficient to overclock both your card and CPU.
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a c 235 U Graphics card
July 2, 2012 9:52:03 PM

2fast4thetown_down said:
okay what about this cheap 600 watt- http://www.newegg.com/Product/Product.aspx?Item=N82E168...


it's a solid budget PSU. it will do the job with no issue since you really won't break 300w total power while gaming

CPU: Intel Core i7-3960X @ 4.3GHz
Motherboard: EVGA X79 SLI
Chipset Drivers: Intel 9.​2.​3.​1022


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a c 235 U Graphics card
July 2, 2012 9:54:53 PM

djscribbles said:
It's got a single 12v rail, which is hard to find at that price range, which puts out 40A (480Watts).



huh? single or split rail has nothing to do with a quality unit and most junk PSU are single rail (not because they are single rail but because of cheap parts and/or lack of parts)
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a c 1405 U Graphics card
July 2, 2012 9:55:43 PM

Yes a great budget PSU!
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a b U Graphics card
July 2, 2012 11:54:51 PM

Best answer selected by 2fast4thetown_down.
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a c 272 U Graphics card
July 2, 2012 11:59:45 PM

This topic has been closed by Mousemonkey
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