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Will CX600 be enough?

tornados2111
By tornados2111
in Power Supplies
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Posted

I have an i5 3570k, 7870, a couple of fans and 2 HDDs. My power supply is either failing or just not enough power leading to some crashes (bluescreens) and it's 450W I think. Will 600W be enough? Will it be enough if I want to consider a second graphics card in the future?

My friend has a 600W, 6 core amd and 7850. Once we ran it with my 7870 too for about an hour. Considering that amd uses more power, I think this proves that 600 will be even enough for 2 graphics cards (equal comparison except I have intel instead of amd) although tell me if I'm wrong.

Thanks for any advice

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600W good for:

  • Now? Yes
  • Second graphics? possibly not

CPU: i5 4670k • Cooler: Corsair H100i • Motherboard: MSI Z87 MPOWER • RAM: Crucial Ballistix Elite 2x 8GB • Storage: Samsung 840 250GB SSD, 2x WD Red 3TB • GPU: EVGA GTX 780 3GB • PSU: Corsair RM750W • Case: Corsair 750D • Mouse: Razer Naga 2012 (I actually use the thing for productivity/media buttons) • Keyboard: Ducky Shine 3 w/ Browns - Green LED • Monitor: Asus PB278Q 27" 2560 x 1440, ASUS PB238Q 23" 1920x1080 • Lighting: 2m NZXT Sleeved Blue LED Strip • pcpartpicker.com/p/3cHfZ

 

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How would this explain a 7870 + 7850 + amd 6300 running completely fine on the 600W at the time?

I did say possibly not. A power supply typically runs most efficiently around 50-60% load, so yes, 600W probably could run both of those, but why reduce lifespan and efficiency for an extra $20 or so on your PSU for a 700W?

CPU: i5 4670k • Cooler: Corsair H100i • Motherboard: MSI Z87 MPOWER • RAM: Crucial Ballistix Elite 2x 8GB • Storage: Samsung 840 250GB SSD, 2x WD Red 3TB • GPU: EVGA GTX 780 3GB • PSU: Corsair RM750W • Case: Corsair 750D • Mouse: Razer Naga 2012 (I actually use the thing for productivity/media buttons) • Keyboard: Ducky Shine 3 w/ Browns - Green LED • Monitor: Asus PB278Q 27" 2560 x 1440, ASUS PB238Q 23" 1920x1080 • Lighting: 2m NZXT Sleeved Blue LED Strip • pcpartpicker.com/p/3cHfZ

 

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A 7870 needs maybe 150w. + gpu and the rest would be somewhere around 450w max usage. 600w would be a good choice. But buying 2 7870 seems not too smart :-) .just go with one powerfully card and for one gpu+gpu you don't need more than a quality 500w psu. You build right now would run on a 350w psu

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You could run the system off of a cx430 with an adapter if you really wanted to.

It'd recommend a decent 500w for a single 7870 and 650w for 2.

If you ever need help with a build, read the following before posting: http://linustechtips.com/main/topic/3061-build-plan-thread-recommendations-please-read-before-posting/
Also, make sure to quote a post or tag a member when replying or else they won't get a notification that you replied to them.

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