overclockear.com - Noiseblocker BlackSilent Fan XL2 und Multiframe S-Series M12
Both models are well built and designed, but designed for different tasks. Comparison can catalog the XL2 BlackSilentFan Rev 3.0 as the "base model" of Noiseblocker and Multiframe S-Series M12-PS as the higher end.
We can install the XL2 BlackSilentFan Rev 3.0 and forget it's there, and that just generates 21 dB / A and is not illuminated, by loq eu is a great choice for HTPC computers or for those users who do not like his team become a Christmas tree just by installing a fan.
The Multiframe S-Series M12-PS is a high-end fan offers an incredible aesthetic, PWM control and exclusive technologies Noiseblocker as " Nano SLI NB (UUltra Silent Bearing) and " NB Multiframe "thanks to which the S M12-PS-Series generated a large flow of air with low noise level. Also, I have to confess that the first fan I have in my hands that can be configured according to the utility that Le Valle to give, what else can a fan ask?