PSU Help

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zmcguire

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Jul 20, 2011
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Recently I just got a new PC ordered, and it seems the PSU isn't up to snuff... The pc runs fine but when I start playing games that pull on the GPU my computer shuts off. I have used the GPU in another PC so I know its not it and the PC runs fine for LONG periods of time while using the internet and watching videos. So I think it is the PSU. Looking for a good recommendation because I'm an idiot when it comes to picking them... obviously...

My PC is
AMD Phenom II X6 3.3ghz
8GB 1600mhz DD3 Ram
1 TB Hitachi SATA II HDD
Nvidia GTX 550 ti 1gb DDR5

and the pc has some fans and led lights on it...

What would be a good PSU?
 
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benikens

benikens

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Depends on the price range, at a guess i would say a 600-650w would cover your needs, personally i like modular power supplies for cable management but that's purely choice. If your looking for high quality (which is important in your power supply) seasonic seems to be a really good brand, and alot of the corsair psu's are just repackaged seasonic ones, same with the xfx core range. All comes down to price range though.
 
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ko888

ko888

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Feb 18, 2009
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For a system with a single GeForce GTX 550 Ti graphics card NVIDIA a minimum of a 400 Watt or greater power supply with a minimum +12 Volt continuous current rating of 24 Amps or greater and with at least one 6-pin PCI Express supplementary power connector is recommended.

The power supply's wattage is not the specification you should be focused on. The power supply's +12 Volt continuous current rating is the most important spec.

Stick with reputable name brands like Antec, Corsair, Seasonic and XFX.

The Antec High Current Gamer Series HCG-520 520W ATX12V v2.3 / EPS12V v2.91 80 PLUS BRONZE Certified Active PFC Power Supply for $54.99 made by Seasonic with its +12 Volt continuous current rating of 40 Amps is a great deal.

http://www.newegg.com/Product/Product.aspx?Item=N82E16817371047
 
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zmcguire

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I went to the link and purchased the PSU you recommended it was a stellar deal, thanks so much! I should be receiving it soon I'll let you know how it goes I hope that it will power my system, because those shut downs were annoying. :)
 
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buddynugget

buddynugget

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hey im having a similar problem did a new psu do the trick for you? I have a 850w PSU and itll run everything fine with the on board video card but when i plug in my Radeon 6850 the computer will shut down when i play games and sometimes when doing regular everyday email browsing and watching movies. Its very very frustrating.
 
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zmcguire

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Yeah the new PSU did the trick my rig is up and running awesome I couldn't ask for better. It almost seems to like the CPU processes faster and runs better with more power. Is you PSU a reputable brand?
 
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buddynugget

buddynugget

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I have a Raidmax so no lol. Im gonna either get a Seasonic or a Thermaltake which i know arent the top brands but my brother has had 3 Thermaltakes and has never had a problem with a single one and Seasonic lets face it has pioneered the Power Supply market for a very long time so i think they would also be a good choice. Im actually kind of lost on what to get because i only have a 150$ spending limit and i need at least a 650w PSU cause ill be setting up CrossfireX with two Radeon HD 6850s with dual fans. Do you have any suggestions?
 
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ko888

ko888

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Feb 18, 2009
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For a system with two Radeon HD 6850 graphics cards in 2-way CrossFireX mode a minimum of a 600 Watt or greater power supply with a combined +12 Volt continuous current rating of 35 Amps or greater and with at least two 6-pin PCI Express Supplementary Power Connectors is recommended.

Modular :

Antec TruePower New TP-550 550W Continuous Power $89.99. +12 Volt continuous current rating of 45 Amps.
http://www.newegg.com/Product/Product.aspx?Item=N82E16817371020

CORSAIR Professional Series HX650 (CMPSU-650HX) 650W $119.99. +12 Volt continuous current rating of 52 Amps.
http://www.newegg.com/Product/Product.aspx?Item=N82E16817139012

SeaSonic M12II 520 Bronze 520W $92.99. +12 Volt continuous current rating of 40 Amps.
http://www.newegg.com/Product/Product.aspx?Item=N82E16817151093


Non-modular :

Antec High Current Gamer Series HCG-520 520W $68.99. +12 Volt continuous current rating of 40 Amps.
http://www.newegg.com/Product/Product.aspx?Item=N82E16817371047

Antec TruePower New TP-750 Blue 750W Continuous Power $129.99. +12 Volt continuous current rating of 62 Amps.
http://www.newegg.com/Product/Product.aspx?Item=N82E16817371022

CORSAIR Enthusiast Series TX750 V2 750W $109.99. +12 Volt continuous current rating of 62 Amps.
http://www.newegg.com/Product/Product.aspx?Item=N82E16817139021

SeaSonic S12II 520 Bronze 520W $84.99. +12 Volt continuous current rating of 40 Amps.
http://www.newegg.com/Product/Product.aspx?Item=N82E16817151094

XFX Core Edition PRO550W (P1-550S-XXB9) 550W $69.99. +12 Volt continuous current rating of 44 Amps.
http://www.newegg.com/Product/Product.aspx?Item=N82E16817207013

XFX Core Edition PRO650W (P1-650S-NLB9) 650W $89.99. +12 Volt continuous current rating of 53 Amps.
http://www.newegg.com/Product/Product.aspx?Item=N82E16817207014


All of the power supply unit models, listed above, use Seasonic as its OEM (i.e. Original Equipment Manufacturer).
 
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