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HX620 - 1090T@4.2 and two 6950's?

post #1 of 12
Thread Starter 
Just a quick question,

Will the the HX620 handle my sig rig with a pair of overclocked 6950's?

I have a feeling it will really be pushing it..

Note that there are no hard drives being run off the power supply.
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Koru
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post #2 of 12
I think it'll be enough. AMD recommends 500W for a system with a single 6950 in it as shown here:

http://www.amd.com/us/products/deskt...verview.aspx#3

Every time I see this, they usually follow it up by saying that they recommend a 600W for having two in the system, but they didn't include that for this product page. However, it's consistent: every time I see 500W for a single, then I see 600W for two in Crossfire.

So yeah, the HX620 is a very high quality unit so it should be more than enough.


Edit: here's an example: http://www.amd.com/us/products/deskt...verview.aspx#3
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post #3 of 12
Seeing as that is a 620watt continuous unit yes it should be plenty.
post #4 of 12
Thread Starter 
cheers guys
Koru
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Koru
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post #5 of 12
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post #6 of 12
Quote:
Originally Posted by TwoCables View Post
I think it'll be enough. AMD recommends 500W for a system with a single 6950 in it
It could work on a 450w though.

@OP It will be fine.
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post #7 of 12
Quote:
Originally Posted by GameBoy View Post
It could work on a 450w though.

@OP It will be fine.
Not with just any 450W.
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post #8 of 12
You'd be pushing it way too much with a 450W. Maybe without the OC on the CPU, but remember a heavily OC'd CPU can draw an awful lot of power.
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post #9 of 12
Quote:
Originally Posted by Smirnoff View Post
You'd be pushing it way too much with a 450W. Maybe without the OC on the CPU, but remember a heavily OC'd CPU can draw an awful lot of power.
That was just an off-topic discussion. The point of it was to say that even a quality 450W could power a system with a single 6950 in it. But we are well aware of what jacobthellamer is asking.
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250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
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It's a computer!
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Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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post #10 of 12
all these answers are theoretical, i rekon going for an 850 to be safe.... TBH tried running dual cards on 650ws at work before, just wasnt happening.
     
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