Noctua NF-B9 PWM Case Fan 92 mm / 17.6 dB / 4-Pin

• Box contents: low-noise adaptor (LNA), 3-Pin male to 4-pin Molex (adaptor), Y-cable
• Product type: case fan

Noctua NF-B9-PWM 92mm Quiet Case Fan Manufacturer: Noctua Category: computer components Sub-Category: computer cooling components SKU: NF-B9-PWM EAN: 0163120478996 4716123314738 0172302658057 Description The classic NF-B9 92mm fan helped to found Noctuaâ€s reputation as a top-tier manufacturer of premium quality quiet cooling components and still impresses users with its exquisite quietness and superb performance. The new PWM version features Noctuaâ€s novel, custom designed PWM IC for fully automatic control and ultra-low power consumption. Equipped with Noctuaâ€s signature SSO bearing and topped off with a 6 years manufacturerâ€s warranty, the NF-B9 PWM is a proven premium choice for the highest demands. Proven NF-B9 Design Tens of thousands of quiet cooling enthusiasts swear by Noctuaâ€s classic NF-B9. Its impressive quietness, excellent performance and impeccable, time-tested quality made the B9 a default choice for 92mm quiet cooling. Bevelled Blade Tips Reducing critical rotor stator interaction, the NF-B9â€s Bevelled Blade Tips permit to combine a higher blade surface area with quieter operation and thus form a cornerstone of the fanâ€s outstanding efficiency. Vortex-Control Notches Noctuaâ€s signature Vortex-Control Notches split up trailing edge vortices and thus spread the fanâ€s noise emission over a wider range of frequencies. This measure makes the NF-B9 PWM sound more pleasant to the human ear. Custom designed PWM IC with SCD Supporting fully automatic PWM speed control, the NF-B9 PWM uses Noctuaâ€s novel, custom designed NE-FD1 PWM IC that integrates Smooth Commutation Drive (SCD) technology. By providing smoother torque impulses, SCD suppresses PWM switching noises and thus makes the fan quieter at lower speeds. Low-Noise Adaptor The NF-B9 PWM is supplied with a Low-Noise Adaptor (L.N.A.) that reduces the maximum fan speed from 1600 to 1300rpm. The L.N.A can be used either to run the fan at a fixed speed of 1300rpm o