required psu for a R9 280x sapphire dual-x 3GB

moking01

Distinguished
Sep 27, 2014
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will this SeaSonic ECO 600W PSU or SeaSonic ECO 500W PSU be able to run a R9 280x sapphire dual-x with no probs ?
i cant afford any more expensive psu, in where i live its my ideal option...if it can't run it ill stick with a R9 270x :/

my specs:
core i5-4440 haswell
Gigabyte H81-S2PH
8GB (2x4GB) Hyperx black kingston

if the 500W version can run it that would be awesome.