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Power Amount Opinions

post #1 of 4
Thread Starter 
My system is below and taking into account my vcore is 1.5v, my dimm is 2.8v and my two 7900gt's are voltmodded to 1.55v from like 1.2 or 1.3 stock. I've got 3 7200rpm sata drives and one raptor. The xtremepower supply calculator that was recommended to me advised around 750 watts though I only have 560w. Could this be hindering my overclocking / causing system instability or is the calculator vastly overestimating my needs?
post #2 of 4
Its probably over estimating a little.

I don't think 560w is sufficient though and it may well be causing instability
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CPUMotherboardGraphicsGraphics
Intel i7-4930k @ 4.5ghz, 1.215v Asus Rampage IV Formula Gigabyte 780 TI OC @ 1295/7400 Gigabyte 780 TI OC @ 1295/7400 
RAMHard DriveOSMonitor
Corsair Dominator Platinum @ 2133 9-10-10-24, 2T 2x Corsair GS 120gb SSD Windows 8 QNIX QX2710 Evolution ll @ 120hz 
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Seasonic 1250W Corsair Vengeance C70 
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post #3 of 4
I'd get a nice PCPP&C Silencer 610 or a SeaSonic S12 EnergyPlus 650W PSU. Both of those companies are very well known, have great warranties, and they are quality products. With PC Power & Cooling and SeaSonic when they say a number of watts, they mean it. Not like some 400W PSUs that can only handle 250W.

[OCN] Ninja_Boy
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The Monolith: III
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Intel Core 2 Quad Q6600 Asus P5K Deluxe/WiFi-AP eVGA e-GeForce 8800GTX 2x1GB of G. Skill DDR2-800 
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300GB / 60GB / 4GB 16x LG DVD Burner Windows: XP ViewSonic 19" VP191b 
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Saitek PK-02 SeaSonic M12 SS-700MH Antec P180B Mid-Tower Logitech G5 
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post #4 of 4
Thread Starter 
I was thinking of one of those newer OCZ 700w psu's. The hav great reviews on newegg and they're only $150.
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