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Power Supply


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#1
Prominia

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So I am trying to get this power supply CORSAIR HX Series CMPSU-850HX 850W but it is currently sold out everywhere apparently so is there one that someone can recommend that is similar to it or should i just go with the 1000w this
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#2
Neil Jones

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With all due respect, do you really need 850w or 1000w?
What is your hardware inside your machine?
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#3
mkau

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With all due respect, do you really need 850w or 1000w?
What is your hardware inside your machine?

That's always a good question.

From what I've seen it's rare to need more than about 700, even for most gamers (IIRC, 2 HD5770s require a 650w PSU, and with an overclocked processor you might need the extra 50w).
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#4
Prominia

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Someone here recommended it and its better safe than sorry. I do plan on upgrading it for example another XFX 5870 and more RAM eventually. For some reason that power supply is sold out everywhere i don't think i need the 1000w power supply but the 850 seemed nice. I did not order any of the pieces yet. My system specs are as follows:

Windows 7 64bit
Intel Core i7 920
Western Digital 1tb HD
CORSAIR XMS3 6GB (3 x 2GB) 240-Pin DDR3
Sony CD/DVD Drive
GIGABYTE GA-X58A-UD3R LGA 1366 Intel X58
XFX 5870 Monster
CORSAIR Cooling Hydro Series CWCH50

I was going with the 850w which i think is plenty but its sold out everywhere if anyone knows of another good one i would use that. I do plan on overclocking as well.
Thanks for the help

Edited by Prominia, 25 May 2010 - 04:02 PM.

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#5
Troy

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I think the 750W would also be plenty if you can find it.
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#6
Prominia

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So the CORSAIR HX Series CMPSU-750HX 750W would be a good choice?
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#7
Troy

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Yep, that Newegg deal looks pretty good too. There's a $10-off promo code and also a mail-in rebate. Take advantage of both and it'd be a steal. :)
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#8
Prominia

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thanks for all the help
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#9
admin

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One thing to remember about power supplies. If it is larger than needed, it will also draw more power than needed. For example, on identical hardware, a 1000W power supply will draw significantly more power than a 500W, under similar load. If you leave your system running a significant amount of time, or even 24/7 this alone should be a major factor in your decision. Especially if living in an area of high electrical costs, like California (USA).

Don't oversize your power supply. Be green. :)
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#10
Prominia

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And today I learned something new thanks for all the help much appreciated going green :)
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