HARD DRIVE COOLER AK-HD-BL is a blue hard drive cooler with 2 fans. It is directly attached on to any 3.5'' hard drive to enhance the HDD cooler environment. Blue hard drive cooler with 2 fans Extends the life of the hard disk Directly fits onto 3.5'' hard drive Enhances the HDD in a cooler environment  Application  PC Hard drive  Cooler dimension  130 x 100 x 17mm  Fan dimension  50 x 10mm  Fan speed  4500 R.P.M.  Fan airflow  8.59 CFM  Fan air pressure  1.82mm H20  Fan life expectancy  30000/hrs  Voltage rating  12V  Connector  4-pin pass through adapter  Noise level  29.74 dB(A)  Product code  AK-HD-BL 4 screws