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  #1  
Old 15-07-14, 12:57 PM
DJCW DJCW is offline
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Corsair AX 860i enough?

Hey guys,

So I'm putting together a new rig at the end of the month and wondered if the AX 860i is sufficient or if I will need the 1200i

CM Storm Trooper case (just stock fans)
Asus Maximus VII Formula
Intel i7 4790k with Noctua U14S - Will probably do a little overclocking.
Corsair Vengeance 16 GB Ram 1600 MHz
2x MSI GTX 780 Ti - Probably won't overclock beyond the factory OC specs.
Samsung 850 Pro 512GB
3 x 2 TB WD Green HDD's (might need more)
Asus Xonar D2X Sound card (might just stick with the onboard on the MB ).

Thanks in advance for any advice

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  #2  
Old 15-07-14, 01:01 PM
jamesriley94 jamesriley94 is offline
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The AX860i will easily be enough.
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  #3  
Old 20-07-14, 06:53 AM
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MacLeod MacLeod is offline
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Yep, easily.

According to AnandTech's Bench, a system with a pair of GTX780 Ti's will draw 652 watts at the wall at max load. A quality 860 watt like the Corsair, will be able to handle that with absolutely no issue at all.
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  #4  
Old 20-07-14, 09:29 AM
remember300 remember300 is offline
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yep should be fine
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  #5  
Old 20-07-14, 09:39 AM
JR23 JR23 is offline
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I can confirm from my own testing with two reference 780's and two overclocked 780 classifieds that will definitely be fine. I would say the estimate of 652watts is spot on for a mild overclock running furmark or something hard. While gaming i'd expect to see it peak at around 550 so you will have more than enough headroom for your PSU to operate comfortably.

Have you thought about the AX860 not 'i', it's often a little cheaper, doesn't spin the fan on boot (annoys some) and doesn't have all the Corsair Link stuff. I definitely would recommend the AX860, it takes about 30 minutes of raping it before the fan even turns. I do concede however the fan grille on the AX860i does look a little slicker.

JR
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  #6  
Old 29-07-14, 01:22 PM
m_kinder m_kinder is offline
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Worth looking at the Corsair RM's, I've got the 850 and the fan almost never spins.

Also the 1000w is cheaper than the 860i & 860 and is fine if you don't want to use corsair link (The RM version of Corsair link is crap compared to the AXi's)
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  #7  
Old 29-07-14, 03:50 PM
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Xrqute Xrqute is offline
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If you're still unsure after reading this i went hunting for a calculator. The Coolermaster, Asus and Corsair are broken or require updating or not detailed enough but i found these two which are quite good.

General idea
http://au.msi.com/power-supply-calculator/

Quite comprehensive:
http://www.extreme.outervision.com/p...ulatorlite.jsp
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  #8  
Old 29-07-14, 07:07 PM
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Dicehunter Dicehunter is offline
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I have the 860i and it's pretty damn good and have run 2 x 780 Ti's off it with no difficulty
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  #9  
Old 29-07-14, 07:14 PM
Big Boss Big Boss is offline
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I'm torn between the 860i and the 1200i myself, seen a fair few reports of coil whine and strange ticking in the 860i model though, how's yours Dicehunter, any issues?
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Old 29-07-14, 07:20 PM
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Dicehunter Dicehunter is offline
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Quote:
Originally Posted by Big Boss View Post
I'm torn between the 860i and the 1200i myself, seen a fair few reports of coil whine and strange ticking in the 860i model though, how's yours Dicehunter, any issues?
My first 1 was utter balls so if you can go for the 1200i as they have far less issues, My current one which is an RMA *touch wood* has no issues at all but my first one sounded like a Cucaracha paty in a can lol

*EDIT*

One thing to note this is a Corsair heavy forum so you will get a lot of bias because of that, If I was buying right now I would have no hesitation of getting a Superflower PSU, They are among the best in the industry and actually make a lot of the big name PSU's while they *the other companies* just stick their own sticker and design on the shell plus most of the worlds top overclockers swear by them and when it comes to power draw and reliability those are the guys to listen to -

http://www.overclockers.co.uk/produc...bid=&mfrid=656


If this Corsair PSU starts to whine again I'll get an RMA through and get myself the SuperFlower Leadex Platinum 1000W Fully Modular "80 Plus Platinum", One of the best PSU companies out there.




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