The Arctic Cooling Arctic Fan 9 PWM 92mm x 38.5mm Fan features the patented PWM Sharing Technology (PST) that allows one motherboard PWM connector controlled by the motherboard BIOS to control up to 5 fans. The PST also is designed to generate the lowest sound possible for any given system load.
The Arctic Cooling Arctic Fan 8 features a patented case design that ...
The Delta 92x92x38mm Dell Replacement Fan has a very rare and hard to get Dell OEM fan connector. If a fan died on your Dell Dimension or Optiplex, this may be the replacement you've been looking for. It has a respectable near 2:1 Airflow to Noise ratio and moves an impressive 80 CFM.
The JMC/DATECH 92x92x38mm Variable Speed Dell Replacement Fan has a very rare and hard to get Dell OEM fan connector. If a fan died on your Dell Dimension or Optiplex, this may be the replacement you've been looking for. It has a respectable 2:1 Airflow to Noise ratio and moves an impressive 121 CFM.
This fan is a monster. At 119 CFM this is one of the best 92mm fans on the market. It is loud, very loud. It comes with a 4pin power supply connector and a 3pin plug for RPM monitoring.