SeaSonic S12II 520 Bronze for a i7 7700k and a RX 480

I'm planning to buy a SeaSonic S12II 520 Bronze, a good PSU listed in the Tier 2.
Now, the thing is, that I'm planning to upgrade my PC with an i7 7700k, overclock it a little bit, and an RX 480.

Is this PSU enought? My calculations with overclock drop a 382 W consumption at 90% TDP, and 395 W at 100%.

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  1. Best answer
    The Seasonic S12II-520 should be enough even with an i7-7700K + RX 480 and basic components connected to your motherboard/PSU.

    If you want more headroom for almost the same price, the S12II-620 is only $2 more expensive:

    SeaSonic S12II 520W 80+ Bronze Certified ATX Power Supply ($47.89 @ B&H)

    SeaSonic S12II 620W 80+ Bronze Certified ATX Power Supply ($49.90 @ B&H)

    But my personal choice would be the Seasonic G-550 as it is now cheaper than the modular version of the S12II (i.e., the M12II), if you can add ~$20 to your budget.

    SeaSonic G 550W 80+ Gold Certified Semi-Modular ATX Power Supply ($67.99 @ NCIX US)

    SeaSonic 520W 80+ Bronze Certified Fully-Modular ATX Power Supply ($69.99 @ SuperBiiz)
  2. Yes, 520w is plenty.
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