Fractal Design " Silent Series" is a full range of silent case fans. The fans has been specifically developed to deliver sufficient airflow & still keep a low noise level. Available in sizes from 40mm up to 140mm. Each fan is supplied with rubber fan mounts & four fan screws. Features Multi-purpose cooling fan Supplied with rubber fan mounts 9.0 d B (A) / 600 RPM / 39.0 CFM Great value for your money Specifications Manufacturer Fractal Design Model FD-FAN-140 Air volume at full speed (12V), CFM ±10% 39.0 Noise level at full speed (12V), d B (A) 9.0 Fan speed at full speed (12V), RPM ±10% 600 Fan depth 25mm Approximate cable length, cm 30 Power connector 3-pin Mounting hardware included Rubber fan mounts & screws Rated voltage 12 VDC Warranty 24 months