Which is the best power supply for PC?

[sngrisa]

My pc is:

Processor: Intel Pentium G3260 @ 3,3 Ghz
Ram Memory: Kingston 6GB DDR3 1333 Mhz Dual Channel
Motherboard: Gigabyte H81M-H LGA 1150
Graphics Card: Nvidia GTX 1050 2GB GDDR5 128 bits OC ASUS DUAL
Hard Drive: 1TB WD Caviar Blue 7200 RPM SATA II

Which is the best Power Supply for this pc?

Corsair CX550M 550 Watts 80 plus Bronze 5 Years Warranty. (Year 2015).
Seasonic S12II 520 Watts 80 Plus Bronze. 5 Years Warranty.
EVGA 600B 600 Watts 80 Plus Bronze. 3 Years Warranty.
XFX XT 600 Watts 80 Plus Bronze. 3 Years Warranty.
Thermalthake TR2 600 watts non 80 plus. 5 Years Warranty.
EVGA 500 Watts 80 Plus White. 3 Years Warranty.

What tier corresponds to each one?

 

[vapour]

CX550M > Seasonic S12II> the rest.

 

[Karadjgne]

They are actually listed in correct order, best first, worst last. Although the last 2 could be swapped, depending on the model number of the TR2, which decides where it was built and by whom. 1 was mediocre, 1 was worse than mediocre, 1 was a fire hazard.