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Noctua NH-U9DXi4 92mm SSO2 CPU Cooler

In stock. Limit 99 per customer.
Ships from United States.
  • NH-U9S
  • NH-U9DX i4
  • 1600 RPM +/-10% (MAX)
  • 1300 RPM +/-10% w/ L.N.A
  • 300 RPM +/-10% (PWM)
  • 37.85 CFM w/o L.N.A
  • 30.96 CFM w/ L.N.A
  • Aluminum
general information

NH-U9DXi4 90mm SSO2 CPU Cooler

If you're looking for a high-performance quiet cooling solution for your Intel Xeon CPU, the Noctua's DX line of coolers is the top choice. As part of the award-winning Noctua's DX line of coolers, the latest i4 revision CPU coolers - including the 9cm model (#NH-U9DXi4) and the 12cm model (#NH-U12DX i4) - support LGA2011 (both Square ILM and Narrow ILM), LGA1356 and LGA 1366 based Xeon platforms.

The NH-U9DXi4 comes equipped with two NF-B9 92mm premium fans with PWM for automatic speed control. Standing 125mm in height, it combines outstanding quiet cooling efficiency with full 4U compatibility. Fitted with the professional SecuFirm2 mounting system and bundled with Noctua's industrial-grade NT-H1 thermal compound, it forms a complete premium quality package for quietly cooling Xeon based workstations and servers.

general information

Award-winning NH-U Series

The NH-U9DXi4 is based on the latest version of Noctua's award-winning NH-U9 coolers. First introduced in 2005, the NH-U series has become a standard choice for premium quality quiet CPU coolers and won more than 400 awards and recommendations from leading international hardware websites and magazines.

general information

4U Compatibility

Sporting four heatpipes, a surface area of more than 3800cm² and two premium grade 92mm fans, the NH-U9DXi4 provides a significant upgrade in quiet cooling performance compared to common 2U solutions. At the same time, its 125mm height makes it fully compatible with standard 4U cases.

general information

2x NF-B9 92mm Premium Fan

The award-winning NF-B9 92mm premium fan features Noctua's renowned SSO bearing as well as advanced aerodynamic optimizations such as Bevelled Blade Tips and Vortex-Control Notches. In order to achieve its superb quiet cooling capability, the NH-U9DXi4 comes equipped with two NF-B9 fans in a push/pull setup.

general information

PWM Support and Low-Noise Adaptor

The NF-B9 92mm fans supplied with the NH-U9DXi4 support PWM for convenient automatic speed control through the mainboard. In addition, the maximum fan speed can be reduced from 1600 to 1300rpm using the supplied Low-Noise Adaptors for even quieter operation.

general information

SecuFirm2 Mounting System

Noctua's SecuFirm2 mounting systems have become synonymous with quality, safety and ease of use. Supporting Intel's LGA2011 (both Square and Narrow ILM), LGA1356 and LGA1366 Xeon platforms, the SecuFirm2 mounting included with the NH-U9DXi4 guarantees perfect contact pressure and maximum convenience on all sockets.

general information

Outstanding Quality and Reliability

Noctua products are renowned for their impeccable quality and outstanding longevity. Like all Noctua fans, the supplied NF-F12 features an MTTF rating of more than 150.000 hours.

Warranty & Returns

Warranty, Returns, And Additional Information

Return Policies*

  • Return for refund within: 30 days
  • Returns are subject to restocking fees and return shipping fees. Please click here to learn more about restocking fees and return shipping fees.
  • This item is covered by's International Order Return Policy. Read full return policy for details.
  • *Subject to applicable law