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New Builder. Power Supply Help Needed.

Last response: in Components
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May 5, 2014 12:22:17 PM

Intel Core i5-4670K
Noctua NH-U12S
Asus Z87-Pro
G.Skill Ripjaws X 16GB (2 x 8GB) DDR3-1866
Asus GeForce GTX 780
Cooler Master JetFlo 120 PWM Fan (x4)
DVD-ROM Drive (x1)
Samsung 840 EVO 120GB SSD (x1)
Seagate Barracuda 1TB 3.5" 7200RPM (x1)

+ maximum of 5 USB devices

Also, if it matters, the CPU, GPU and RAM will be overclocked.

Right now I'm considering an EVGA SuperNOVA 650W 80+ Gold but, if it is possible, I'd rather get a smaller PSU to save a bit of cash. This build is pushing my budget to the absolute limit.

Thanks,
Miles.

More about : builder power supply needed

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May 5, 2014 12:40:49 PM

The GTX 780 requires a minimum 600 watts PSU with 42 Amps on the 12 V rail. This does not include overclocking the CPU or the GPU. Generally it is not a good idea to overclock the RAM.

Considering these factors you need a 750 watts or higher PSU of a good brand like Corsair, Seasonic, XFX, Antec. - Watch for sales and promos.
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May 5, 2014 12:43:51 PM

Luckily I still haven't bought anything yet!

Thanks for the reply.
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May 5, 2014 2:02:19 PM

HX and AX are decent , but RM series is cheaply built with poor capacitors.
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May 6, 2014 2:09:20 AM

Thanks for the information.

How would you compare an Antec PSU to a Corsair one?
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May 6, 2014 6:01:48 AM

Thanks, that helped a lot. :) 
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