How much wattage do I need?

My build spec:

CPU: FX-8350 (not OCed)
GPU: R9-280X (not OCed)
RAM: 2x4GB Corsair vengeance
HDD: 2x2TB WD Caviar green
Optical: DVD-RW Drive
Mobo; Gigabyte 970a-ds3

I'm thinking 750 watts should be enough, but not sure. Any help would be appreciated.
3 answers Last reply Best Answer
More about wattage
  1. You should be fine with a 600w bronze PSU.
  2. Best answer
    Any 550W+ PSU on the Tier 1, 2, or 2b list here:
  3. PCPartPicker part list / Price breakdown by merchant / Benchmarks

    Power Supply: XFX 550W 80+ Bronze Certified ATX Power Supply ($49.99 @ NCIX US)
    Total: $49.99
    (Prices include shipping, taxes, and discounts when available.)
    (Generated by PCPartPicker 2013-11-18 09:19 EST-0500)
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