PSU for R9 270x

[ishraq]

Guys Help Me Out ...
I Bought My Sapphire r9 270X Dual-X Today And I wanted To Know Which PSU should I grab ??
My specs Are As Follows :
Intel Core i7 3770
8gb DDR3 Ram
B75M-D3H
Sapphire r9 270X Dual-X
500GB Hitachi HDD
Display:1080p Single Monitor
So Now I have Choices Between 3 PSU(I dont live in The US)
Corsair 500CXV2
Thermaltake Litepower 550W
Thermaltake 530W Smart(Stock Is Out Probably )
Cooler Master Thunder 500W
Thanks

 

[guanyu210379]

Corsair CX500 looks good