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How much watt for an i7 4770K + GTX780

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June 5, 2013 12:07:08 PM

I'm about to build my new system and I know this has been probaly done to death but after reading many topics about this subject I'm not quite sure what to get.

i7 4770K ( overclocked )
Nvidia GTX 780 3GB ( overclocked )
Corsair H60 Cooling
3 Sticks of RAM
1 WD 1TB harddrive
1 Samsung SSD
1 Optical Drive

- I will not upgrade to SLI later on.
- Probaly not buying anything else after this build is done.

Currently I don't know if I should go for a 750watt Corsair TX or will a 650 watt PSU be more then enough for my needs? ( nvidia itselfs says 600 min for a GTX 780 )

While were on the subject, Corsair TX series or the XFX black series? Many people seem to say that the XFX black edition is the superior power supply.

Hopefully someone who knows allot more about PSU's then me can advice me about this subject.

Thank you.

More about : watt 4770k gtx780

June 5, 2013 12:17:23 PM

Get a seasonic
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June 5, 2013 12:21:16 PM

bobo370 said:
Get a seasonic


Not all Seasonic PSUs are created equal and they typically run the same price or higher than equivalent quality PSUs.
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June 5, 2013 12:53:08 PM

All XFX psu are made by Seasonic. A high quality 600W psu would be fine. Nvida recommends 600W min. because the 780 draws 250 to 300W max. So it leaves 300W for rest of the system.I think the best choice right now is the Corsair HX650 at newegg for $80 after $25 mir. It's made by Seasonic and has a 7 year warranty.
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June 5, 2013 1:53:15 PM

Anything with 50 or more amp on a single 12v rail should do it, given a single 780 with otherwise standard build.
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June 5, 2013 2:01:12 PM

50 amps on the 12v rail is 600W already and that psu would be rate 700 to 750 watts.
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June 5, 2013 3:00:25 PM

gmkos said:
Anything with 50 or more amp on a single 12v rail should do it, given a single 780 with otherwise standard build.


The 46A rail on the Rosewill Hive should be sufficient for his needs.
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November 10, 2013 9:57:16 AM

EVGA sells a case with a 500W psu and they demo it running Titan or 780. The wattage isn't a huge concern, just needs to be quality.
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