I'm going to be purchasing a new fan alongside my XP-90, and I was thinking I was going to go with a Panaflo, until i saw the thermaltake silent cat. The specs say it pushes 52.2CFM @ 2500RPM with only 21DBA. Is this correct? How good are these fans compared to the Panaflow L1A or M1A? How good are these fans with an XP-90?