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Seasonic G, X or M12II x50W?

post #1 of 21
Thread Starter 
Hello,
I would like to choose my new PSU.
My PC: core i5-3330, ASUS Z77, planning to buy GTX670 or GTX680 or HD7950, 2x4GB 1600MHz DDR3, 2x 1,5TB Caviar Black, DVD-RW.

My first question is, that it will be enough 550W or would you rather choose 650W?

How is quality difference between G series, X series and M12II x50W series?
I'm not overclocking and modular cables are not required for me...
I'm looking for quality.

Thanks.
Reply
post #2 of 21
550w will be more than enough for this.

I would chose this one.

http://www.newegg.com/Product/Product.aspx?Item=N82E16817151119


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post #3 of 21
You got many just as good or better options then just Seasonic

http://www.overclock.net/t/183810/faq-recommended-power-supplies
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post #4 of 21
Quote:
Originally Posted by smoke2 View Post

Hello,
My PC: core i5-3330, ASUS Z77, planning to buy GTX670 or GTX680 or HD7950, 2x4GB 1600MHz DDR3, 2x 1,5TB Caviar Black, DVD-RW.

My first question is, that it will be enough 550W or would you rather choose 650W?

How is quality difference between G series, X series and M12II x50W series?
I'm not overclocking and modular cables are not required for me...
I'm looking for quality.

550w is enough for the build you're outlining.

In order of quality, the hierarchy is X-Series > G-Series > M12II. However, there is a much larger difference between the G-Series and the M12II as compared to between the X-Series and G-Series.

Of the models you outlined, the best balance between price and quality is the G-550.

However if you're Stateside, note that Newegg is selling the Capstone 650w for $64 w/ promo code RW20PPSU. It's quite comparable to the Seasonic G-Series in terms of quality, and the price cannot be beat.
Edited by svenge - 5/23/13 at 4:14am
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post #5 of 21
Quote:
Originally Posted by svenge View Post

However if you're Stateside, note that Newegg is selling the Capstone 650w for $64 w/ promo code RW20PPSU. It's quite comparable to the Seasonic G-Series in terms of quality, and the price cannot be beat.

I second that
http://www.overclock.net/t/1393472/rosewill-power-supplies-information-thread
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post #6 of 21
Thread Starter 
I have one more question.
Don't you think that in the future will be necessary stronger power supply and 550W will be weak?
The price difference between 550W and 650W Seasonic G is 20$ and I will probably buz GTX 670 or GTX 770...
post #7 of 21
Computer components are becoming more and more power efficient, there was a time when 600-650W was considered a sweet spot but now it's 500-550. Same quality vs. wattage rule applies though.
post #8 of 21
Thread Starter 
Thanks, and what about the difference between G-series and X-series?
Isn't the X same as G, but with only fully modular cables?
If no, what's the difference?
post #9 of 21
Quote:
Originally Posted by smoke2 View Post

Thanks, and what about the difference between G-series and X-series?
Isn't the X same as G, but with only fully modular cables?
If no, what's the difference?

The G-Series and X-Series have internally-different platforms, with the X-Series being somewhat superior. The X-Series also has a San Ace fan, which is better than the ADDA fan found on the G-Series.

Also of note is that the new -KM3 variant of the X-Series has a "Hybrid Fan Control Switch", which lets you control the fan's behavior to a point.

However all that goodness literally comes at a price, which means that the G-Series is a better bang for your buck.
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Julia
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post #10 of 21
I ran two 670 ftw with an i5 2500k on x-560... lol... that thing is a beast. Without OC though.
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