What power supply wattage for Z97 and x99 systems?

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g335

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Oct 14, 2008
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Hello

I am going to build a Z97 system with an i7 4790K, it will have a dvdrw drive, 250gb ssd, 120gb ssd, GTX660, 16gb ram and some kind of aftermarket cpu cooler.
I might get the 700 series Nvidia gpu or a 800 series later.

What wattage psu should I look for?

I might build a x99 system with the 5820K with the same specs as the above but with DDR4 ram, and probably a series 700 Nvidia gp or 800 series Nvidia gpu when it comes out.

What wattage psu for that?

 
Solution
Dark Lord of Tech
Best 750w on the market.

Single card future-proof.

PCPartPicker part list / Price breakdown by merchant

Power Supply: EVGA 750W 80+ Gold Certified Fully-Modular ATX Power Supply ($99.99 @ NCIX US)
Total: $99.99
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2014-08-09 00:07 EDT-0400


Summary:

The gravy train keeps on rolling for EVGA today with the G2 750W. Expectations were high, and EVGA rose to them without breaking a sweat. I have to imagine that over at EVGA headquarters, they have to regularly take breaks to go up on the roof and yell, "Top o' the world, Ma!" I certainly couldn't blame them. Now all we need from EVGA is their...
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Dark Lord of Tech

Dark Lord of Tech

Retired Moderator
Aug 18, 2009
128,615
1,779
159,590
Best 750w on the market.

Single card future-proof.

PCPartPicker part list / Price breakdown by merchant

Power Supply: EVGA 750W 80+ Gold Certified Fully-Modular ATX Power Supply ($99.99 @ NCIX US)
Total: $99.99
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2014-08-09 00:07 EDT-0400


Summary:

The gravy train keeps on rolling for EVGA today with the G2 750W. Expectations were high, and EVGA rose to them without breaking a sweat. I have to imagine that over at EVGA headquarters, they have to regularly take breaks to go up on the roof and yell, "Top o' the world, Ma!" I certainly couldn't blame them. Now all we need from EVGA is their answer to the Corsair AX1500i, and we'll be all set.

The Good:

excellent voltage regulation
less than 15mV ripple on the outputs
switchable semi-fanless mode
excellent build quality
10 year warranty
competitive price

The Bad:

nothing

The Mediocre:

10 year warranty requires registration first

Jonnyguru Review Summary ^
 
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Solution
terry4536

terry4536

Glorious
Mar 28, 2010
9,743
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The single most power hungry component in your system is the graphics card. Systems are built to support these primarily.

A GTX 660 has a system requirement of a 450 Watt power supply. A GTX 770 or better is going to require "600 watt or greater power supply with a minimum of 42 amps on the +12 volt rail" or better.
 
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