Noctua NF-A14 iPPC-2000, 3-Pin, Heavy Duty Cooling Fan with 2000RPM (140mm, Black) Award-winning 140x25mm A-series fan with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior cooling efficiency High-speed industrialPPC version for industrial heavy-duty applications that require extreme cooling performance and advanced ingress protection 12V 2000rpm model (31.5dB) with 3-pin connector Ruggedised fibre-glass reinforced polyamide construction and IP52 certified water and dust protection Trusted Noctua quality with premium-grade SSO2 bearing and more than 150.000 hours MTTF