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Corsair RM850 enough to power XFX 280x (2) crossfire?

Tags:
  • Crossfire
  • Corsair
  • Graphics
Last response: in Graphics & Displays
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August 20, 2014 2:55:48 PM

I keep seeing different answers regarding this so wanted to make sure that the RM850 would work for this build. The rest of the system specs are Asus Maximus VII Hero, Intel i7 4790, (2) 8GB gskill 2133.

More about : corsair rm850 power xfx 280x crossfire

August 20, 2014 4:05:49 PM

yes its more than enough to power 2x 280x a good 700 watt psu is what u need for crossfiring r9 280x...(system included)
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August 20, 2014 4:06:40 PM

yes, more than enough.
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August 20, 2014 4:33:47 PM

prit87 said:
yes its more than enough to power 2x 280x a good 700 watt psu is what u need for crossfiring r9 280x...(system included)


I forgot to add, disk is Crucial MX100 256GB, case is NZXT H440, and corsair i100 liquid cooler.

I just did the asus power calculator and it thinks I need 950. I keep on second guessing myself.
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August 21, 2014 1:47:36 AM

its doesn't matter the other parts apart from the GPU and CPU consumes very less amount of power plus u have a locked CPU so u are not going to OC that's why no worries go with a 750 watt from a good brand like seasonic or xfx with a 80+ gold certified and u will be fine ....
wattage wise 250x2 = 500 watt for the card ......84 watt for the processor....and say 100 watt max for other components .......& these are maximum load power and u will still remain with plenty of headroom but if u want more head room then go for evga 1000 watt it comes with 10 years of warranty which is great itself.......http://www.newegg.com/Product/Product.aspx?Item=N82E168...
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August 21, 2014 1:52:35 AM

sorry i totally forgot that u have a 850 watt psu so no need to buy another unit just stick with it and u will face no problem...and dont bother with the calculators different calculating sites will give u different results .......the best power calculator according to me and many more is extreme outer vision....http://www.extreme.outervision.com/psucalculatorlite.js...
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August 21, 2014 8:22:35 AM

I ended up just ordering the EVGA G2 based on your suggestion and reviews. I didn't actually have the PSU yet, just had it ordered as all my parts will be here tomorrow. I will return the Corsair when it get's here and just keep the EVGA. Thank you for all of your help!
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August 21, 2014 9:38:31 AM

no problem happy to help ....
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