Enquiry on psu

Hi iam a newbie here and i want to know what is the psu requirement for the specs below.



Asus z97 Maximus VII Hero + i5 -4690k

G.skill tridentx 2400 Mhz 16gb(8gb x2

Wd Black 2tb

MSI GTX780TI 3GB Twin Frozr Gaming

Samsung evo 500gb

NZXT Raxor H440

Corsair H100i Cooler

Windows 7 Home Premium 64bit OEM