550W PSU for i7 6700k & GTX 970, is it enough?

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saferoz

saferoz

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Jun 16, 2016
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Hello, i just built my first PC i just wanna ask if my PSU Wattage is enough for my system.
PSU: Antec EDGE 550W 80+ GOLD 92% Efficiency

Specs:
-CPU: Intel Core i7-6700k @4.2Ghz
-GPU: Msi GTX 970 4G OC
-RAM: Corsair Vengeance LPX 2x4 GB DDR4
-Motherboard: Msi Z170A Gaming M3
-HSF Cooler: Cryorig H5 Ultimate
-1 PCIe wifi adapter card
-2 120mm Fans
 
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photonboy

photonboy

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Jun 20, 2006
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Full load with both overclocked will hit roughly 400W.

It will work, though if it were me I'd consider a 650W or 750W.

For one thing, many power supplies start to ramp up the FAN SPEED once the load goes over 50% though how loud it gets varies.

Note that the "GOLD" rating is an efficiency rating; it doesn't mean it's necessarily any more reliable than a 750W, Bronze rated PSU.
 
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turkey3_scratch

turkey3_scratch

Expert
Ambassador
Jul 15, 2014
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For a single 970 and a 6700K a 550W unit is more ideal for efficiency (and saving money) than a 650W or 750W unit. I don't think he made any mention of running two.
 
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basroil

basroil

Glorious
Oct 19, 2013
8,698
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At stock, sure, but overclocked? The extra head-room in a good 650W unit will mean less noise and closer to peak efficiency at load (newer units tend to peak lower than they used to). Not to mention the EVGA G2 650 is cheaper than the Antec EDGE 550W ;)
(yes, only $3 right now, but you can buy a steam game for that much ;) )
 
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