http://www.cooljag.com/p3_s_JAC392C.htm

Specification Weight:~296g
Dimension: 78L x 62W x 25.3H(mm)
DC FAN Dimension: 60L x 60W x 10H(mm)
Rated Voltage: 12 V DC
Speed: 5200 rpm
Bearing System: Two Ball Bearing
Safety Approvals(Standard): CE,UL
Heatsink Material: Copper C1020
Fin pitch: 1.3(mm)
Fin thickness:~0.4(mm)
Clip Material: Steel SK7 / Nickel Plate