I have a wattage question

TimAug1986 · Feb 6, 2014

Okay so this is my build:

Amd Fx 8320 CPU
2 x 8gb Crucial Ballistix low-profile sports RAM
Cooler Master Hyper Evo 212 Heatsink (Subject to change), running 2 Cooler Master 120mm fans for push-pull
1 NZXT 120mm fan for exhaust
1 NZXT Blue L.E.D. 140mm fan for exhaust
1 120mm generic Zalman fan for intake
1 Clear Blue L.E.D. Zalman fan for intake
1 Nzxt 120mm fan for intake
Amd Radeon HD 6770 GPU (To be replaced by a GTX 780)
MSI 970a-G43 MOBO (subject to change, don't laugh)
NZXT Phantom 410 Black Case
Corsair CX600M PSU

I want to know if 600 watts is good enough to run with the EVGA GTX 780 FTW edition, once I replace the GPU

InvalidError · Feb 6, 2014

You could upgrade to a 200+W FX9xxx CPU and probably still come short of 400W out of the PSU... almost no single-GPU setup uses more than 400W.

TimAug1986 · Feb 6, 2014

So basically, Im good to go with my single Gpu and 1,000 fans?

Cause I was told the 780 uses at least 250 watts and I may overclock just to be ridiculous.

Also, every calculator I've used its saying either 412 watts or 614 watts.

TimAug1986 · Feb 6, 2014

Forgive me, I'm new to understanding wattage and ram

Nytes · Feb 7, 2014

600 watts should be fine. I have an almost identical build (minus the copious amount of fans) and I'm using a 630w PSU and it runs great.

InvalidError · Feb 7, 2014

TimAug1986 :

There are obviously limits to generalizations... 1000 fans at 4W each is still 4kW but for a normal system with the usual 3-5 fans on PWM or other speed control which usually operates them at a fraction of their nominal power, they are often ignored or "accounted for" by rounding other stuff up.

TimAug1986 · Feb 7, 2014

Okay so the final build will be 8 fans, a Gtx 780 FTW edition and an AMD FX 8320.

I'm good to overclock with 600w?

Nytes · Feb 7, 2014

For your posted build, 600w is great. For overclocking, you'll need a bit more wattage.. nothing lower than 650w, but 700w is the lowest I'd go for, just in case. Depends on how far you're going to push the chip.

TimAug1986 · Feb 7, 2014

Okay, then I am going to exchange my Cx600m for a 750. thanks guys, I knew I could depend on the internet.

Hail Gix, Hail Phyrexia.

Dark Lord of Tech · Feb 7, 2014

It's not about wattage it's about the amps on the 12v rail.

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I have a wattage question

TimAug1986

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Nytes

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TimAug1986

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TimAug1986

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Nytes

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InvalidError

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TimAug1986

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Nytes

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TimAug1986

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Dark Lord of Tech

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