Noctua NF-A9 (Noctua NF-A9 PWM)

Noctua NF-A9 (Noctua NF-A9 PWM) key details
Brand Noctua	Model NF-A9
Part Number Noctua NF-A9 PWM	Warranty 6 years

Noctua NF-A9 specifications
FAN RPM 400 to 2000 RPM	Noise Level 16.3 to 22.8 dBA
Airflow 36.84 to 46.44 CFM

Noctua NF-A9 PWM, Premium Quiet Fan, 4-Pin (92mm, Brown)

Name: Noctua NF-A9 PWM, Premium Quiet Fan, 4-Pin (92mm, Brown)
Brand: Noctua
Rating: 4.9 (993 reviews)

Premium quiet fan, 92x92x25 mm, 12V, 4-pin PWM, max. 2000 RPM, max. 22.8 dB(A), >150,000 h MTTF
Award-winning 92x25mm A-series fan with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance
Ideal for 9cm CPU coolers (e.g. Noctua NH-U9(S) & NH-D9L series), compact PC cases (HTPC, ITX, Small Form Factor), replacement fan for NAS and other devices, etc.
4-pin PWM version for automatic speed control via 4-pin PWM fan headers, broad 400-2000rpm speed range (1550rpm max. with supplied Low-Noise Adaptor)
Includes anti-vibration mounts, fan screws, Low-Noise Adaptor, extension cable and y-cable for running two PWM fans on the same header