Power Supply Gaming PC Build

[screappy]

So I need power supply to finalize my build and here it is:
GPU - Palit Geforce GTX650 2GB
CPU - AMD FX 6350
Motherboard - ASRock 970 PRO3 R2.0
RAM - Kingston 2GB, DDR3, 1600MHz, Non-ECC, CL11, 1.5V and Kingston HyperX FURY Blue 4GB, DDR3, 1600MHz, CL10, 1.5V
DDR - Toshiba DT01ACA050 500GB HDD 3.5
Case - DeLux ME879, Middletower

And for PSU's I am considering on buying some of these:
Super Flower Amazon SF-650P14HE, 650W, ATX 2.2, PFC Activ,
Corsair 500CX Bonze CP-9020047, 500W, ATX 2.2,
EP-550S, 550W, ATX 2.3, PFC activ.

I am not sure how much Watt I truly need for this build.All of these PSU's are the same price in my country at the moment.

 

[EasyLover]

650W is plentyt. go with Super Flower PSU. One of the best PSU manufacturer/OEM.

 

[screappy]

Thanks, this was my main decision.

 

[EasyLover]

Glad to assist.