850w psu enough for Crossfire Fury Xs

WowSuchName · Feb 16, 2016

I currently have a fury x and wondering if I could crossfire it on my current power supply (Corsair HX850i) and I have an i7 4690k if that's any help, I was wanting to know as I was planning on another fury x and would like to know if I need to spend more on another power supply
Thanks for any responses!

Barty1884 · Feb 16, 2016

The HXi PSU is great quality, so there wouldn't be an issue there.

2x Fury X's would account for 550W (ish) at max load, around 100W for everything bar your CPU and 88W (stock for the CPU) that puts you at 738W total.
Provided you haven't pushed a crazy OC from your CPU, then you should just scrape by - a PSU upgrade wouldn't be a bad thing, but you should be fine.

toyftw · Feb 16, 2016

WowSuchName :

Hi - Many 850's aren't enough for your situation (realhardtechx suggests 950w), but the important
power spec is the +12v amps available, and your PSU actually has the full 850w (70.8 +12v amps) available.
It will handle two Fury X's in CF.

I do suggest however, you keep OC to a minimum.

Dark Lord of Tech · Feb 16, 2016

I think 850w is a little light.

http://www.hardocp.com/article/2015/10/06/amd_radeon_r9_fury_x_crossfire_at_4k_review/9

bignastyid · Feb 16, 2016

At full load a Fury X can pull 294w. At stocks it will probably be fine. If you want to do any overclocking I suggest a bigger PSU.
http://www.guru3d.com/articles_pages/amd_radeon_r9_fury_x_review,10.html
If it were me I'd get a bigger PSU.

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850w psu enough for Crossfire Fury Xs

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