Lamptron Noise & Vibration Reduction Kit Black 12 x Black Rubber Screws for open chasis fan; 8 x Black Rubber Screws for closed chasis fan; 6 x Black Push-Pin Rubber Screws for open chasis fan Rubber screw is also great for installing cooling fans without any tools 12 x Black Anti-Vibration HDD Rubber Screw; 4 x UV Blue Anti-Vibration Rubber Case Stand 1 x Silent Fan Cable (for cooling fan with 3-pin connector only) changes voltage output from 12V to 9V of a typical 3-pin cooling fan, cutting down approximately 30% noise and fan speed 1 x Silent Fan Cable (for cooling fan with 3-pin connector only) changes voltage output from 12V to 7V of a typical 3-pin cooling fan, cutting down approximately 40% noise and fan speed