FEATURES- 80mm SmartCool
       Thermally controlled case fan is up to 80% quieter.
       Built-in temperature sensor 
       Variable speed: RPM increases as the temperature rises 
       Double ball bearing design for extended life 
       Comes with a 4-pin power connector and a separate signal connector
        to motherboard.                                        
    
Temperature (degrees C): 20     25     30     35     40     45     50
Speed (RPM)            : 1850   1800   2000   2400   2700   2800   2850
Current (AMPs)         : 0.090  0.092  0.109  0.124  0.142  0.152  0.159
Pressure (inch/Ag)     : 0.05   0.06   0.08   0.11   0.14   0.15   0.16
Noise (dBA)            : 21.0   23.0   24.5   29.0   32.0   33.0   34.0
Air Flow (CFM)         : 24.0   26.0   29.0   35.0   39.0   40.0   41.0
Input Voltage          : 12 VDC                        
SIZE - 80mm x 80mm x 25.4mm            WT.- 73 grams

Antec's Smart Cool 80MM. Thermal sensor keeps fan quiet at low temperatures, speeds it up as temperature rises. 3 pin connector with fan speed monitoring, 4 pin adapter with pass through. Double ball bearing design for longer life.

Manufacturer's Part#: 80MMSMARTCOOL
Product Dimensions: 8.75 Inches x 7.2 Inches x 2 Inches
Weight: 0.32 Lbs

Description:
Where Antec's other case SmartCools are best used as exhaust fans, the SmartCool Plus can be used as a temperature-controlled intake fan to maximimize quietness and maximimize cooling, as appropriate. Simply install the fan, attach the thermal detector in the area of concern with the provided thermal tape, and plug in the power.

Features:
Built-in temperature sensor
Variable speed: RPM increases as the temperature rises
Double ball bearing design for extended life
Comes with a 4-pin power connector and a separate signal connector to motherboard