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Power hungry cards?

Associate
Joined
14 Feb 2004
Posts
109
Location
Livingston
Looking for a new gfx card and seeing a lot recommend 600w or above psu. I have a corsair HX520w. It really new psu time or will it manage. Been mainly looking at 390s but open to suggestions.
 
Associate
Joined
14 Sep 2008
Posts
2,229
According to Corsair Link software my spec in sig uses approx 400+ watts with everything at stock during a gaming session. Depending on the rating of your powersupply and it's age, you maybe fine, but you will be pushing your powersupply.
 
Soldato
Joined
26 Aug 2004
Posts
3,257
According to Corsair Link software my spec in sig uses approx 400+ watts with everything at stock during a gaming session. Depending on the rating of your powersupply and it's age, you maybe fine, but you will be pushing your powersupply.

He'll be fine on a HX520W + GTX 970.

I had an i7 920 @ 4GHz + GTX 470 (furnace) on a HX520W and it ran fine.
 
Associate
Joined
19 Jul 2015
Posts
483
PSU recommendations are typically inflated to cover poor quality PSUs that don't live up to their specification. A decent 520W PSU like yours will be fine for any single card. For instance I have an AMD Fury which is nominally 275W, the same as the 390. Along with my 95W CPU, my system peaks at 400W measured at the wall (360W DC assuming 90% efficiency), leaving plenty of headroom with my 500W PSU.
 
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