www.coolermast... Not to be confused with the 2020 Sickeflow series. I quite like the blade design of this fan, but unfortunately commutation noise is very audible. Model: A12025-20CB-3BN-F1 DF1202512SEHN
Maby... I bought 6 of these new ones, and they all sounded exactly the same as this one. After years of these annoying sounds, I'm changing out for Noctua fans.