ZALMAN 80mm FAN With Slient Mode Adapter

1. You can choose the mode of operation (Silent/Normal) by utilising the Noiseless Connector RC56. 2. ZALMAN ZM-F2 does not generate noise and vibration in Silent Mode.3. CPU, video card, or mainboard chipset can be cooled to a temperature sufficiently below the temperature required by the manufacturer in Silent Mode.warranty one year.