Noctua NA-FC1 4-pin PWM Fan Controller<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Compact， highly flexible controller for 4-pin PWM fans</li><li>Works as a manual speed reducer or in tandem with the automatic motherboard fan control: achieve truly quiet operation， even with high-speed PWM fans such as Noctua’s industrialPPC series</li><li>“No stop” mode: prevents the fan from falling below a speed of 300rpm in order to avoid BIOS fan errors</li><li>Includes a 3-way splitter cable for controlling up to 3 fans simultaneously</li><li>6-year manufacturer’s warranty</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41a8QSERm3L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41fXtreSk3L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31xsugFQftL.jpg" noproxy>