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Old 10-02-2010
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Default 850w enough juice?

Looking at getting a new PSU for my benching rig. Currently running a Corsair HX620w and its time to go bigger. I do understand that the psu isn't a place to skimp but I am on a shoe string budget at the moment.

So, will this Corsair AX850 handle the load of some Dice/LN2 action and a couple of GPUs in Crossfire/SLI without skipping a beat?

http://www.newegg.com/Product/Produc...9015&Tpk=ax850

Or hould I step it up to this 1000w?

http://www.newegg.com/Product/Produc...007&Tpk=hx1000

Or should I just save up for an overkill 1200w-1500W PSU?

Or, bear with me, should I run dual PSU's. 850w for Mobo/GPU's and 620w for all other aux stuff like, fans, pumps, hdds, ect...........

My brain is like a pretzel right now

Thanks,
OCM
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Last edited by OC Maximus; 10-02-2010 at 09:06 AM.
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Old 10-02-2010
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The 1000w Corsair you have linked is modular.
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Old 10-02-2010
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Nice catch, I ment fully modular. *Edited*
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Old 10-02-2010
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hx1000 is not good imo

as for 850w.....best is the hx850....

ax850 is ok..but the hx850 is better for oc...
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Old 10-02-2010
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Dual psu's are also cool if you're running a water setup. take the un-needed strain off your main rig. I never use my main psu for any water cooling pumps,fans, etc. and i have a 1200w Pc power&cooling main psu.
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Last edited by GFDuke; 10-02-2010 at 09:53 AM.
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Old 10-02-2010
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Ok, so does the HX850W have enough juice for benching stable on Dice/LN2 with a couple of of GPU's in the loop? And just keep the HX620W for all other duties.
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Last edited by OC Maximus; 10-02-2010 at 09:56 AM.
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Old 10-02-2010
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Quote:
Originally Posted by Hondacity View Post
hx1000 is not good imo

as for 850w.....best is the hx850....

ax850 is ok..but the hx850 is better for oc...
Negative. The AX is the superior PSU. The two are actually almost identical except the AX has a higher efficiency rating and generates less heat overall. Slightly less line ripple on the AX also.
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Old 10-02-2010
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So will a quality 850w PSU have enough juice to bench stable on DICE/LN2?
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Old 10-02-2010
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Depends on the setup.

Mobo:?
CPU:?
GPU:?
HDD:?
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Old 10-02-2010
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AM3 Mobo
1090T/965BE
2x 5770's

For starters

The HX620W can take the duties of everything else. Pump, Fans, HDD, ect......

I guess a better question would be, what can I expect a quality 850w psu to handle?
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Last edited by OC Maximus; 10-02-2010 at 01:38 PM.
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