This product is either discontinued or we cannot get that from suppliers.
NOCTUA U9S, Fan & Heatsinks, Fan Size 92mm, Bearing SSO2, 2000 RPM (Standard), 1550 RPM (w/ L.N.A.), 400 RPM (PWM), Air Flow 46.44 CFM (Standard), 36.84 CFM, Noise 22.8 dB(A)/standard, 16.3 dB(A), Heatsink Material Copper ( Base and Heat-pipes), Alum.( cooling Fins ), Soldered Joints, Nickel Plated, Fan Mounting to Heatsink Horizontal.
The Noctua NH-U9S 92mm CPU Cooler (NH-U9S) provides exceptional thermal management for a wide range of AMD and Intel processors. The Noctua NH-U9S comes with a slim 95mm x 95mm x 125mm layout that allows unobtrusive fitting.