Are these PSUs Good ? Which is a better PSU in these ?

[juviliangleaces]

I found 2 PSUs in Amazon with some good reviews.
How to determine their quality ? Which one could be better ?

Here are those.
Circle APFC 500 Watts PSU
https://www.amazon.in/dp/B00R07GFS2/ref=cm_sw_r_cp_apa_i_fW37zbMRM3VHR

Circle 500 Watts PSU (SMPS) https://www.amazon.in/dp/B0136Q3XU8/ref=cm_sw_r_cp_apa_i_bZ37zbYFGC6AN

 

[vapour]

Stay away from circle PSUs.... Poor quality
get this

PCPartPicker part list / Price breakdown by merchant

Power Supply: Corsair - CXM 550W 80+ Bronze Certified Semi-Modular ATX Power Supply (₹4090.23 @ Amazon India)
Total: ₹4090.23
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2017-10-24 23:27 IST+0530

 

[errolw01]

Seasonic M12II EVO Series 520W Modular Power Supply with 80+ Bronze Certification (SS-520GM2) they make top shelf power supplies and they make there own stuff

 

[mjslakeridge]

Here is a reference guide for PSUs:

http://www.tomshardware.com/forum/id-2547993/psu-tier-list.html