Phenom II X3 710 - power supply requirements?

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Burticus

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Apr 28, 2000
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Hey all. I have just ordered the components for a Phenom II X3 710 system, and was wondering if anyone knows what the minimum power supply requirements are. AMD's site has a system builder's guide, but the power supply section is blank.

What I have now is a Antec Sonata with Antec 380w power supply. This powers my current rig just fine : Asrock 939 Dual, s939 X2-3800, Geforce 8800 GTS 640mb, 2gb ram, 1 optical drive, 1 ide 120gb hard drive. I guess you can include the floppy and 2 120mm fans if you want.

Don't the Phenom II's draw less power than the old s939 dual core?

I would like to not have to drop another $50-60 just for a power supply, my budget is ultra tight currently.

I know everyone "recommends" 600w power supplies.... but what do I really need?

(I will update in a couple of days when the parts arrive if this thing is even operable on that 380w ps)

EDIT - Forgot to add, the new mlb will be an EVGA 730a
 
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Burticus

Member
Apr 28, 2000
91
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0
Cool! Thanks for the calculator link, that's kind of neat. Calculator says 315w for the new system (old system says 303w).
 
Markfw

Markfw

Moderator Emeritus, Elite Member
May 16, 2002
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thats NON-overclocked. And your 380 * .75 (efficiency) would be 285 watts. I don't know the efficient, but you are really close. If it was 80% (not many are) thats 304 watts.
 
BlueAcolyte

BlueAcolyte

Platinum Member
Nov 19, 2007
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No, no, mark. The efficiency is how much current it draws from the wall, not how much it can provide. Plus, I think these PSUs are 80+ certified. So 380 divided by 0.8 is 475, which is the amount it would draw from the wall at full load.

OP, you will be fine. Dell runs their quad-core systems with 300w PSUs.
 
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