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Is my psu big enough for my rig?
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Author:  potanda [ 14 Jan 2011, 03:49 ]
Post subject:  Is my psu big enough for my rig?

my cpu is a phenom II x6 1055t overclocked
My ram is 4 sticks of 2 gigs ddr3 1333mhz
a ati HD6970 with the voltage up %20
1 one terebyte 7200 rpm harddrive
1 cd drive
a active display port adapter that uses power via the usb
and alot of fans

right now im using a 581 watt and sometimes my games freeze then resume normal or my textures flicker in left 4 dead
this psu is about 5 years old

Author:  Paradigm Shifter [ 14 Jan 2011, 13:37 ]
Post subject:  Re: Is my psu big enough for my rig?

No, I'd say it's not powerful enough. PSUs do degrade over time, so that 580w isn't 580w any more after 5 years.

Author:  Skid [ 14 Jan 2011, 14:45 ]
Post subject:  Re: Is my psu big enough for my rig?

Minimum PSU wattage without ANY overclocking (you didn't provide details) is 470W, with recommenced 520W, overclocking can have a huge hit on power, and with your current PSU being 5 years old it'll be no where near enough.

Advise, get a new PSU to between 650-700W, higher will allow for upgrading later as well extend its useful life (assuming you get a good make). You could get away with a 600W but I would recommend against it.

URL from the PSU sticky -> http://extreme.outervision.com/psucalculatorlite.jsp

Author:  potanda [ 14 Jan 2011, 22:44 ]
Post subject:  Re: Is my psu big enough for my rig?

I just ordered one from new egg 1000watts It looked like a pretty good deal http://www.newegg.com/Product/Product.aspx?Item=N82E16817702021

Author:  Skid [ 15 Jan 2011, 00:46 ]
Post subject:  Re: Is my psu big enough for my rig?

I just ordered one from new egg 1000watts It looked like a pretty good deal http://www.newegg.com/Product/Product.aspx?Item=N82E16817702021


Its overkill, but it'll give you enough head room to add a second card and crossfire them if you wanted to, while I have no knowledge of BFG PSUs they are a respectable company so you should be alright with one of them.

Author:  potanda [ 15 Jan 2011, 00:53 ]
Post subject:  Re: Is my psu big enough for my rig?

Thanks and yeah im planning on crossfire in the future anyways so might as well just spend the money now

Author:  Paradigm Shifter [ 15 Jan 2011, 13:08 ]
Post subject:  Re: Is my psu big enough for my rig?

People are still selling BFG equipment? They closed their doors a few months back!

As much as this will be a pain for you, I recommend returning that unopened and getting a different manufacturer, as their warranties are not being honoured any more.

Author:  potanda [ 16 Jan 2011, 09:00 ]
Post subject:  Re: Is my psu big enough for my rig?

ok what other brands do u recommend?

Author:  Paradigm Shifter [ 16 Jan 2011, 16:31 ]
Post subject:  Re: Is my psu big enough for my rig?

Antec, Corsair, Enermax, Seasonic... there are likely more I've forgotten. ;)

Author:  Abram [ 16 Jan 2011, 22:20 ]
Post subject:  Re: Is my psu big enough for my rig?

You forgot gerbils on wheels...

Beyond brand, one thing i can suggest is getting a modular PSU. Even if you have a huge case, having all those unneeded cables gone is fantastic.

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