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How much power would I need for this?

Last response: in Components
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September 25, 2009 6:37:44 PM

I already own a Thermaltake Toughpower 850w PSU (less than 6 months old), but am wondering if it will be enough for the following:

CPU: AMD Phenom II X4 945 AM3 3.0GHZ 8MB Cache 125W
CPU Heatsink: Coolermaster Hyper 212
Mobo: Gigabyte MA790X-UD4P
Hard Drives: 2x WD Caviar 500gb, 1xWD Caviar 640gb
Disk Drives: 2x LG Super-Multi (one has lightscribe)
Case: Coolermaster HAF 932
GFX: 2x ATI Radeon HD4870 512mb GDDR5 (had one before, just bought another for crossfirex)

More about : power

September 25, 2009 6:51:47 PM

I would expect it to be fine.
September 25, 2009 6:57:29 PM

Ok. Awesome. Although now I know I'll be more than fine:)  Just returned my second 4870 (still in box) and shelled out the extra 150$ for a 5870, so I can retire my 4870 to my old Q6600 machine:) 
!