AeroCool's Shark Series of fans offer a "Shark Fin" blade design to generate high air pressure and high air flow. Not only that are are lots of blades, 15 in all. A normal fan has around 6-8 blades!

Features

Unique and stylish "Shark Fin" fan blades
15 blades for high air pressure
Fluid Dynamic Bearings for long life, 100000 hours!
Supplied with Voltage Reduction Cable, run s at 12V or 7V
Rubber and metal fan screws supplied
Max figures (at 12V) - 96.5 CFM, 29.6 dBA at 1500 RPM

The fans are standard 3-pin fans but adaptors are supplied with 3-pin to 4-pin molex connectors to increase compatibility. The fans are also supplied with a 7 volt resistor so the maximum RPM can be reduced by around 40% which will reduce the noise the fan produces as well as airflow.

Specifications

Dimensions - 140 X 140 X 25mm

Rated Voltage - 12V or 7V with VRC

Starting Voltage - <=6.0V or <=6.0V with VRC

Power Consumption - 4.3W or 1.8W with VRC

Rated Current - 0.36A or 0.15A with VRC

Speed - 1500 or 800 RPM±10% with VRC

Air Flow - 96.5 or 50.0 CMF with VRC

Air Pressure - 1.07 or 0.31 mm-H2O with VRC

Noise - 29.6 or 14.5 dBA with VRC

MTBF - 100,000 hours

Accessories - Voltage Reduction Cable, Rubber and metal fan screws and 3-pin to 4-pin molex adapter