Noctua 120mm NF-S12B ULN 120mm Fan 700/500RPM

Succeeding the vastly successful NF-S12, the NF-S12B is a next generation quiet fan featuring Noctua's advanced SCD2 technology as well as a highly optimized blade geometry with Beveled Blade Tips that improves its award-winning predecessor's airflow efficiency by up to 10%. Topped off with Noctua's time-tested SSO-Bearing, 6 years manufacture warranty and super-slow 700/500 rpm speed settings, the NF-S12B ULN is a premium quality fan for ultra-low-noise applications where maximum quietness has top priority.
 
Highly optimized impeller with Beveled Blade Tips
Thanks to its further refined blade geometry with extended leading edges and Beveled Blade Tips, the NF-S12B achieves up to 10% more airflow and static pressure than its much acclaimed predecessor at the same noise level.

2 speed settings for maximum quietness
Providing 700 and 500 rpm speed settings via the supplied adapter, the ULN (Ultra-Low-Noise) version is tailor made for serious silent enthusiasts who demand super-slow running speeds and utmost quietness of operation.

Size 120x120x25 mm
Bearing SSO-Bearing
Blade Geometry NF-S12B Blade Design with BBT
Rotational Speed (+/- 10%) 700 RPM
Rotational Speed with U.L.N.A. (+/- 10%) 500 RPM
Airflow 56,9 m³/h
Airflow with U.L.N.A. 38,2 m³/h
Acoustical Noise 6,8* dB(A)
Acoustical Noise with U.L.N.A. 5* dB(A)
Static Pressure 0,44 mm H2O
Static Pressure with U.L.N.A. 0,23 mm H2O
Input Power 0,6 W
Input Current 0,05 A
Voltage Range 12 V
MTBF > 150.000 h

Includes:
Ultra-Low-Noise Adaptor (U.L.N.A.)
4 Vibration Compensators
3:4-Pin Adaptor
4 Fan Screws

Highly optimised impeller with Bevelled Blade Tips

2 speed settings for maximum quietness: Providing 700 and 500 rpm speed settings via the supplied ad

Smooth Commutation Drive 2: The latest version of Noctuas advanced SCD drive system ensures superb r

SSO-Bearing