Is a 520w PSU enough?

ShunkzzZPT

Honorable
Jan 11, 2013
95
0
10,630
Hi Guys, id like to know if a 520w psu is enough to power a system im going to build, heres the specs:

AMD FX-6100
MSI 970A-G46
CORSAIR VEGEANCE BLACK 2x4GB 1600MHz
XFX RADEON HD 7770 DUAL DISSIPATION
WESTERN DIGITAL CAVIAR BLUE 1TB 7200RPM 64MB SATA III

the psu im thinking of buying is this one

---->http://www.nox-xtreme.com/en/power-supply/nx-520w<----

please tell me im really want to know your opinion!