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Power Supply Advice for Build

post #1 of 11
Thread Starter 
1x GTX 690
3770k
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16gb RAM @ 1.5v
Normal CD/DVD Drive
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Wireless Card w/ Antennas

Please Post Link and I rather spend money on Quality & also one that over qualifies for room for hardware upgrades

Also after installing a new PSU do you need to do a fresh install of windows?
Edited by pwspong - 6/4/13 at 1:52pm
post #2 of 11
650-750 watts is what you need for a system like that

http://www.overclock.net/t/183810/faq-recommended-power-supplies

And no you dont need to install windows again

I see you are from the US then the Rosewill Capstone from Newegg is very good bang for buck unit

Its a rebrand of the Super Flower Golden Green
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post #3 of 11
I still think the seasonic 650 is the best bang for buck with the most solid warranty:

http://www.ebay.com/itm/321068817406?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649

super silent, solid rating $90
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post #4 of 11
Quote:
Originally Posted by dmfree88 View Post

I still think the seasonic 650 is the best bang for buck with the most solid warranty:

http://www.ebay.com/itm/321068817406?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649

Rosewill Capstone is a overall better unit
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post #5 of 11
Sorry for late reply but the capstone has a less amperage rating. it may be better efficiency wise but in overall power the seasonic has the slight advantage. Also its Seasonic tongue.gif. I personally have had issues with Rosewill fans making a winding noise. Might just be me but I would prefer the 80+ bronze seasonic over the rosewill 80+gold
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post #6 of 11
Yes, it's a Seasonic, but not all Seasonics are equal. You are comparing a mid-range unit to a higher end unit that's is comparable to the Seasonic G series. The M12II Bronze SS-650AM is indeed a solid mid-range unit. Units like the NZXT Hale82-M are based off of it. If given the choice, however, I would rather go with the high-end Super Flower Golden Green that the Capstone, as well as the Hale90, is based off of. If you want a Seasonic that's comparable, then I would suggest a Seasonic G SSR-650RM.

Also, since you bought it up, the Capstone 650w is rated to have 1A more on the 12v rail.
Edited by qwan456 - 6/7/13 at 9:11pm
post #7 of 11
the 12v on the equivilant capstone is rated at 54 amps the seasonic is 63 . Also the seasonic G series has a lessor then both of them amperage rating. It depends what your looking for but the only thing better about the G series is efficiency and maybe life expectancy with the special capacitors it uses (not usually what goes out first anyways). But based on overall statistics the "lower class" out performs (at a worse efficiency meaning more power wasted) both the G series and the rosewill. I mean really its a fairly equal battle and either one would make a great power supply, but if you dont mind a little bit more wasted power the seasonic is much more room efficient being semi-modular (better airflow aswell of course) and should perform at equal or higher power range.

I guess I wasnt really looking at it as which class was better i was looking at which one thats the same price would be best and depending on your situation each has its benifits but why do you consider it in such a different ballpark? Is there something im missing about power supplies that makes it that much better other then the efficiency rating?
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post #8 of 11
I apologize i re-read and you were right capstone is 54 and seasonic is 53. but still had the amperage beat on the 3.3v and 5v. Also I was looking into the warranty for rosewill from what i understand its only 30 days? you can buy a used seasonic and as long as its less then 5 years old its covered.. Sounds like the benifits dont outweigh the risk
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post #9 of 11
I suggest you look at it again, as the SS-650AM has 53A. If it was 63A, that unit would be more closer to a 750w as 63A on the 12v is 756w. Edit: since you had noticed it. Ok, but the fact that you are complaining about the 3.3/5v is rather silly considering that modern day system draw very little from it and the majority of it on the 12v. The Capstone also has a 5 year warranty. Not a 30 day...

I'm not sure what you mean by the "overall statistics" it "outperforms" the Seasonic G and Rosewill Capstone. What statistic you are basing this off of? The fact that you thought the 650w unit as a 63A on 12v? I have no problems with going with a lower capacity unit, if the quality of the PSU is better in respect to design, electrical performance, build quality, etc. Like for example, I have no problem going with the Rosewill Capstone 450w over the Seasonic S12II 620w. As well as I would get the Seasonic G (any of them) over the Antec Earthwatts Platinum.

While it would be awesome to only look at the efficiency rating to determine the quality of a PSU; however, that's not the case. There are Platinum/Gold units that are worse than Bronze units. Efficiency is only one aspect to a PSU and is typically is treated as a secondary feature to a PSU overall quality. What you should look at is the overall topology design, voltage regulation, ripple/noise suppression, response to transient loads, build quality, audible noise, etc. This is not something that you can simply look the label of the unit provided to you by the manufacturer. This is something you have to do research on and read proper, competent reviews from those who open up the PSU to analyze it and test how well it performs with equipments that cost a few thousand of dollars.
Edited by qwan456 - 6/7/13 at 11:45pm
post #10 of 11
I am not meerly basing them on the simple numbers but asking you what you were using to determine it being better? From what I have read personally the rosewill capstone is not very good quality part design. From what I have also heard from reviews (maybe not $3000 equipment user reviews) it seems to feel as cheap as it is being very large and having poorly tapped screw holes (clearly nothing to do with performance but makes me question overall quality). Just by comparing the reviews from a few websites i also see twice as many RMA reports for the capstone vs the seasonic (this could also very well be from more people buying the capstone vs the seasonic). Anyways I am glad to hear they also offer the 5 year warranty and it is certainly a great performer from what i understand. But I still feel hesitant to give it the A++ rating.. What about it specifically makes it better? Better voltage regulation? Load response? Anyways im just curious i am truly no pro when it comes to power supplies more just interested in knowing why, im annoying like that tongue.gif hope you havent taken offense or anything. Anyways im off to bed feel free to ignore and move on if you dont care to continue to BS haha.
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