Noctua NF-A15 PWM Case Fan

The NF-A15 is a premium quality quiet 140mm fan with a round frame that complies with Noctua's AAO (Advanced Acoustic Optimisation) standard. The NF-A15s frame features 120mm mounting holes (105mm spacing) and has been enlarged to 150mm width in order to provide superior performance on today's high-end CPU coolers. Featuring sophisticated aerodynamic design measures such as Flow Acceleration Channels, the NF-A15 further improves the renowned quiet cooling performance of the award-winning NF-P14. Noctua's custom designed PWM IC for fully automatic speed control and reference class SSO2 bearings guarantee superb running smoothness and excellent long-term stability. Topped off with modular cabling, a Low-Noise Adaptor and 6 years manufacturers warranty, the NF-A15 is a premium choice for the highest demands. Specifications Size 140x150x25 mm Connector 4-pin PWM Bearing SSO2 Blade Geometry A-Series with Flow Acceleration Channels Frame Technology AAO (Advanced Acoustic Optimisation) Rotati