Noctua NA-FC1 4-Pin PWM Fan Controller Black
- Compact, highly flexible controller for 4-pin PWM fans.
- 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....
- “No stop” mode: prevents the fan from falling below a speed of 300rpm in order to avoid BIOS fan errors.
- Includes a 3-way splitter cable for controlling up to 3 fans simultaneously.