PC Shutting Down Under Load

theunliked · Dec 3, 2014

I just built my new PC but i have got a problem. It shuts down whenever I put it under about 70 - 90% load. It only happens when I put my graphics card in. At first I thought it was my power supply but it should be sufficient because it is 720 watt. Please help!!!

My rig:

CPU: Intel i5-4690k
Memory: 2x4gb Patriot
Hard Drives: OCZ Vertex 450 128gb, WD Caviar Black 1TB
Power Supply: Shaw P4-S720 720 Watt
Motherboard: Asrock Z97 Anniversary
GPU: EVGA Geforce GTX 760 4GB

bignastyid · Dec 3, 2014

The psu is not a good place to skimp. I would bet your cheap psu can deliver it's advertised wattage. This is a common issue with bargain bin psus.

theunliked · Dec 3, 2014

So what psu do you recommend for my build?

bignastyid · Dec 3, 2014

A good quality 550w unit from Seasonic, xfx, Antec, super flower,Corsair(hx or ax series) or evga (b2, g2, or p2 series).

theunliked · Dec 3, 2014

bignastyid :

Ok thanks. I'll get it as soon as I can

dannycai70 · Dec 4, 2014

http://www.msy.com.au/viconline/pc-components/14608-thermaltake-litepower-lt-650cnau-650watt-psu.html
$79 thermaltake lite power (650watts)

http://www.msy.com.au/viconline/pc-components/14160-evga-600b-100-b1-0600-kr-600watt-80plus-bronze-power-supply-unit.html
$79 evga 600b (600 watts)

http://www.msy.com.au/viconline/pc-components/12141-corsair-cmpsu-500cxv3-500watt-80plus-bronze-atx-power-supply-unit.html
Premium option $92 Coarsair cx500

theunliked · Dec 4, 2014

dannycai70 :

http://www.msy.com.au/viconline/pc-components/14608-thermaltake-litepower-lt-650cnau-650watt-psu.html
$79 thermaltake lite power (650watts)

http://www.msy.com.au/viconline/pc-components/14160-evga-600b-100-b1-0600-kr-600watt-80plus-bronze-power-supply-unit.html
$79 evga 600b (600 watts)

http://www.msy.com.au/viconline/pc-components/12141-corsair-cmpsu-500cxv3-500watt-80plus-bronze-atx-power-supply-unit.html
Premium option $92 Coarsair cx500
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bignastyid · Dec 4, 2014

The corsair cx series is far from a premium psu. It uses cheap secondary caps that have a high failure rate. The thermaltake lite power has voltage regulation issues. The Evga isn't great but it is a little better than the other 2, but wouldn't recommend it for an overclocked system.

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