In the now third revision of the series, the fans are equally suitable for CPU and housing. This is a 92 mm fan with 1,800 rpm. To reduce the noise even further, vibration-damped rubber pins are attached to attach the fan.
Noiseblocker BlackSilent Fan 40mm (unopened)
Noiseblocker BlackSilent Fan XE1 - 92mm
Noiseblocker BlackSilent Fan XC1, bulk - 80mm
Noiseblocker BlackSilent Fan XS1 - 50mm
Noiseblocker NB-BlackSilent Pro Fan PL2 - 120x120x25mm ITR-PL-2
Zyvpee® 8cm DS08025R12U P209 12V 0.7A 64CFM 4Wire 89R8J VV66Y OptiPlex 7010 9010 9020 3020 XE2 T1700 4Wire MT DT Computer Case Fan DS08025R12UP209
