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500w 80+ Gold vs. 700w 80+ Bronze PSUs

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  • Project
  • Power Supplies
  • Components
Last response: in Components
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December 3, 2013 1:55:28 PM

I am wondering if a GTX 770 can run with a 500w 80+ Gold or a 700w 80+ Bronze PSU. Now, before you say 700w, these are 1U power supplies I am talking about. The thing I'm worried about is the efficiency and the durability of each power supply because the power supplies are going to be in a small case. The reason why I ask this is because I am doing a project on trying to fit a gaming PC under a slimline case. This the only problem I am having right now that is holding this project. Please respond ASAP. If you want to know the specs of the build, here:

LIQUID COOLER: Corsair Hydro H60
MOTHERBOARD: Asus Z87I-Deluxe
CPU: i5 4670K (Haswell/LGA 1150
GRAPHICS CARD: EVGA GTX 770 w/ ACX COOLER

HARD DRIVE: WD 2TB SATA III

MEMORY: G-SKILL RIPJAWS X 8GB 1600MHZ

More about : 500w gold 700w bronze psus

a c 2488 ) Power supply
December 3, 2013 1:57:51 PM

Seasonic , XFX , Antec , Corsair not CX Series are what to look for in the 650w range.
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a b ) Power supply
December 3, 2013 1:59:11 PM

if it's the same manufacturer for both go for the bronze 700 one.
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December 3, 2013 2:13:15 PM

laviniuc said:
if it's the same manufacturer for both go for the bronze 700 one.


The 500W is a Seasonic (I've heard they are REALLY GOOD), and the 700W is a Athena. I also saw that if the power supply for the +12V allows 37 amps or more, it will work just fine with a GTX 770. The Seasonic allows 40 amps for the +12V rail, so I think it should be fine. I also checked the eXtreme Power Supply calculator with all the specs, and it said the recommended for using a GTX 770 with all the other components recommends 493w. I'm not very sure with going with the 700W power supply as I have never heard of their company, nor do I know the specs of the power supply.
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December 3, 2013 2:15:30 PM

Actually scratch that. The power supply is from FSP, and the exact efficiency is >85%, so I might be leaning over toward the FSP power supply, but only problem is... I heard it was really loud so...
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a c 2488 ) Power supply
December 3, 2013 2:23:01 PM

FSP makes good power supplies.
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December 3, 2013 2:26:29 PM

SR-71 Blackbird said:
FSP makes good power supplies.


But which would you prefer exactly? The Seasonic 500W or the FSP 700W? lol :p 
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Best solution

a c 2488 ) Power supply
December 3, 2013 2:29:08 PM

FSP 700W
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December 3, 2013 2:38:14 PM

SR-71 Blackbird said:
FSP 700W


Thank you, but I will have to find some way to reduce the nosiness of the power supply.
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