Product Features:

Extend the life time of the hard disk drive
Unique design & high performance
Designed for any 3.5" hard disk drive

Specifications:
Dual Silent Sleeve Fans
Fan Dimensions: 50x50x10mm
Fan rated speed: 3,000 RPM
Fan air flow: 9.0 CFM
Noise Rating: 18dba
Cooler Dimensions: 130 x 125 x 16 mm