Noctua NF-A9 5V PWM 80mm x 25mm Low Noise Premium PC Case Fan 2000 RPM, 22.8 dBA
The NF-A9 5V PWM is a PWM-enabled 5V variant of Noctua’s award-winning, premium-quality NF-A9 92mm fan. By providing smoother torque impulses, SCD suppresses PWM switching noises and thus makes the fan quieter at low speeds.