Hi, thanks for reading!
I decided to buy a Asus Radeon HD 7850 (HD7850-DC2-2GD5), for a rig from 2012. It was cheap.
I had, in the past 2 HDs 7850 that overclocks easily, like the majority.
Actually, I have another one, from Powercolor, and overclocks easily as well, with low voltage...