More than I need, is that a problem ?

Hi everyone,
Acording with Power Supply Calculator, I'll need at most 550 watts. But a TX 650 watts is $20 cheaper than 550 watts model.
Is there any problem in a long term ? I gonna overclock, but even so 650 watts'd be at least 100 watts more than I need.

Config: i5-3570k - GTX 660 - gigabyte z77 ds3h - 2 ddr3 sticks - cooler hyper 212
2 answers Last reply Best Answer
More about more need problem
  1. Best answer
    No it's not a problem other than slight variations in efficiency.
  2. Best answer selected by pchioccola.
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