Antec TriCool Case Fan: 92MM CASE FAN W/3 SPEED SWITCH 4-PIN W/ 3-PIN MONITORING 2000rpm

Fan Information
Fan Speed:  1200/1600/2200 RPM  
Air Flow:  21/28/38 CFM  
Noise Levels:  14.6/21/27 dBA  

Interfaces/Ports
Connectors:
3-pin
4-pin

Power Description
Input Voltage: 12 V DC

Physical Characteristics
Dimensions:  92 x 92 x 25.4 mm  

Miscellaneous
Additional Information:
Features:
3-speed switch lets you balance quiet performance with maximum cooling
3-pin and 4-pin power connectors provide convenient connections to your motherboard or power supply
Fan-speed monitoring capability included (requires compatible motherboard)