Is my power supply big enough?

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Riley Farrow

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May 20, 2013
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So i'm building a gaming pc with an Asrock Z77 Ext 4 with an FX-8350, a Sapphire 7870 OC and i'm not sure if i have a power supply big enough
I have a Corsair 550w
 
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M
i have a similar question. I went to this website and for my setup it is recommending 815watt psu (http://www.extreme.outervision.com/PSUEngine)

my system:

intel i7 2600k at 4.0 (planning 4.5)
msi matx z77 g-45
2x4GB 1600 patriot gaming memory
nvidia gtx 680
2 7200rpm hdd
1 128GB intel 320 series SSD
1 dvd burner
1 bluetooth usb dongle
1 200mm led fan
3 120mm regular fans
1 xspc x20 750 pump

my psu is a 750w corsair hx series
(http://www.newegg.com/Product/Product.aspx?Item=N82E16817139010)

From what i've read other places it seems like people are comfortable with less power, and i'm just wondering if someone who is a seasoned over clocker can tell me if i'm pushing enough power for that 4.5 oc, or should i upgrade my PSU. any...
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Riley Farrow

Honorable
May 20, 2013
45
1
10,530


It is a VS550
 
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expl0itfinder

expl0itfinder

Honorable
May 20, 2013
2,219
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Oh ok, that is a rather low efficiency power supply. If it has already been purchased, don't worry about it. If you are purchasing a PSU, I suggest this:
http://www.newegg.com/Product/Product.aspx?Item=N82E16817151119

Top notch quality. However, if you already have the PSU, then I wouldn't worry too much, as the parts you have listed will top out at a little over 400w. Just do not go crazy with overclocking.
 
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mcinjere

Distinguished
Apr 14, 2011
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18,540
i have a similar question. I went to this website and for my setup it is recommending 815watt psu (http://www.extreme.outervision.com/PSUEngine)

my system:

intel i7 2600k at 4.0 (planning 4.5)
msi matx z77 g-45
2x4GB 1600 patriot gaming memory
nvidia gtx 680
2 7200rpm hdd
1 128GB intel 320 series SSD
1 dvd burner
1 bluetooth usb dongle
1 200mm led fan
3 120mm regular fans
1 xspc x20 750 pump

my psu is a 750w corsair hx series
(http://www.newegg.com/Product/Product.aspx?Item=N82E16817139010)

From what i've read other places it seems like people are comfortable with less power, and i'm just wondering if someone who is a seasoned over clocker can tell me if i'm pushing enough power for that 4.5 oc, or should i upgrade my PSU. any feedback from anybody would be great but please tell me how you come to the conclusions you make.
 
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mcinjere

Distinguished
Apr 14, 2011
41
0
18,540


i see from your toms credentials that i feel like you know what your talking about. so then do you think that psu calculator website is just getting paid to tell people they need more power? Do you think I could add a 2nd gtx 680 to that and still be okay? as I plan on doing that in the future as well

 
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