This 3.5" Hard Disk Drive Cooler can reduce hard drive temperature so as to extend your hard disk drive life and reliability. Easy to Install.                                    Features            Double fan: 2" x 2" x 0.4"<br>Dimensions frame: 5" x 4" x 0.7"<br>Rated speed 4800 RPM + / -10%<br>Hard disk at 7200 Rpm or higher<br>Air flow 2 x 9.0 CFM at 4，800 RPM<br>Noise level 29.0 dBA<br>Current A 0.10 A. Life hours 50，000<br>                                                                                                Package Includes            1 x SATA IDE 3.5 Hard Disk Drive HDD Fan Cooler PC<br>