This product is either discontinued or we cannot get that from suppliers.
Noctua U14S-TR4-SP3, Bearing SSO2, Max. Rotational Speed, ±10% 1500 RPM, Max. Rotational Speed with L.N.A. ±10% 1200 RPM, Min. Rotational Speed ±20% 300 RPM, Airflow 82.5 CFM, Airflow with L.N.A.67.9 CFM, Acoustical Noise 24.6 dB(A), Acoustical Noise with L.N.A.9.2 dB(A), Input Power 1.56 W, Voltage Range 12 V, MTTF > 150,000 h.
The Noctua NH-U14S-TR4-SP3 140mm AMD TR4/SP3 CPU Cooler (NH-U14S-TR4-SP3) offers the same legendary performance and reliability of the time-tested NH-U14S but with a mounting system designed expressly for AMD's Ryzen Threadripper processor.