Enough power?

Yes, that should give enough power to run everything as you need at least 500 watts with 30 amps on the 12 volt rail, which that psu has 4 rails at 20amps each. You don't have a lot of hdd's or cdroms do you?
 
It should be fine, but I wouldn't try overclocking. Not that you can really do that with a non-k series sandy bridge processor anyway.
 
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