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How many watts do I need for Radeon 6870 And Phenom ii x4 BE 955

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December 16, 2012 11:32:19 PM

HELP! Ok so I am about to build my first build ever "YAY" and I needed help on Power supplies. I am wondering how many watts I need for my new build.
Full Specifications:
Case: I Forgot which one but Mid Size ATX, I believe I have one fan in it.
CPU: Phenom ii x4 955 BE, Using Stock Cooler For now Might OC
Video Card: MSI Radeon 6870
Ram: Corsair Vengance DDR3 8gb
Motherboard: GIGABYTE GA-970A-D3 AM3+ AMD 970 SATA 6Gb/s USB 3.0 ATX AMD
Optical Drive: ASUS 24x Burner
Hardrive: Seagate Barracuda 1tb
OS: Windows 7

So is 600w Enough for this build, I might Overclock but thats only if I can, If i do I will use hyper 212 evo.

I am looking at Corsair CX600:
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Would this be enough, Please Reply :pfff: 

More about : watts radeon 6870 phenom 955

Best solution

December 17, 2012 12:00:58 AM

The CPU has a draw of 125W under full load (not overclocked), the graphics I am unsure of but I imagine something like 150W (again not overclocked). Throw in another 30W for the motherboard/RAM and you have a rough draw of 300W under full load on the 12v rail.
Overclock the components and you can add another 50W or so. So ~350W draw when overclocked.

PSU are typically most efficient at 50-70% load, so a 550-600W PSU is good for this system.
That Corsair CX600 is a good unit and a steal right now, would jump on it.
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December 17, 2012 12:08:54 AM

Alright so I will go with that PSU, About my video card I have a VGA Monitor input so would I need to get a DVI-VGA adapter to use that video card with this monitor for like 5$ Since this monitor is VGA and the Video Card doesn't have a VGA port
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December 17, 2012 12:17:05 AM

Best answer selected by Doucejos.
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December 17, 2012 12:17:52 AM

manofchalk said:
The CPU has a draw of 125W under full load (not overclocked), the graphics I am unsure of but I imagine something like 150W (again not overclocked). Throw in another 30W for the motherboard/RAM and you have a rough draw of 300W under full load on the 12v rail.
Overclock the components and you can add another 50W or so. So ~350W draw when overclocked.

PSU are typically most efficient at 50-70% load, so a 550-600W PSU is good for this system.
That Corsair CX600 is a good unit and a steal right now, would jump on it.


Alright so I will go with that PSU, About my video card I have a VGA Monitor input so would I need to get a DVI-VGA adapter to use that video card with this monitor for like 5$ Since this monitor is VGA and the Video Card doesn't have a VGA port,
Also How well do you think this rig will do with simple gaming such as, Minecraft, Planetside 2 and GMOD
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December 17, 2012 12:41:34 AM

Usually graphics cards come with a DVI-VGA adapter.

Should be fine I think, those games are not very intensive or somewhat old.
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