psu wattage for my system

tonyzet

Honorable
Sep 17, 2013
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My build:
cpu: i7 3770 (not k)
mobo: asrock z77 extreme4
vga: sapphire radeon hd7970 3gb vapor-x (not interested in crossfire)
ram: kingston hyper-x blue 8gb (+3 at future)
hdd: western digital caviar black 1tb (+1 at future)
sdd: samsung 840 series 120gb (+1 at future)
dvd : samsung sh244db

Any suggestions?