Thanks for your reply @mdd1963 ,
I'll try to borrow a proper PSU from a friend and test if this problem still exists.
I was also thinking about installing one of my games that usually freezes while playing on my new SSD to see if it's a HDD issue, what do you think about this?
So I'm gonna share with exactly what happened in the past coule of months so you may have a better understanding of the issue I'm facing.
My PC specs were:
AMD FX 6300
AMD R7 260x 2Gb
1 TB HDD WD
Coonix power supply 600w
Everything was working fine back then, I used to play my games...