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Noctua NH-U12DXi4 120mm SSO2 CPU Cooler

In stock.
Ships from United States.
  • 1500 RPM +/-10% (MAX)
  • 1200 RPM +/-10% w/ L.N.A
  • 300 RPM +/-10% (PWM)
  • 54.97 CFM w/o L.N.A
  • 43.73 CFM w/ L.N.A
  • Aluminum
general information

NH-U12DXi4 120mm 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-U12DXi4) - support LGA2011 (both Square ILM and Narrow ILM), LGA1356 and LGA 1366 based Xeon platforms.

The NH-U12DXi4 comes equipped with one NF-F12 120mm Focused Flow fan with PWM for automatic speed control. You can also effortlessly add a second NF-F12 fan (optional) to maximize the cooling performance by using the included fan clips and anti-vibration pads. Due to its slim design, it provides easy access to the memory slots and better compatibility with tall modules. 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-U12 Series

The NH-U12DXi4 is based on the latest version of Noctua's award-winning NH-U12 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

Easier Access to RAM

Thanks to its slim design with only 45mm fin depth, the NH-U12DXi4 ensures easy access to the RAM slots. When installed parallel to the slots, it will not overhang the memory on LGA1356, LGA1366 and LGA2011 Square ILM even with two fans installed, thus providing full compatibility with tall RAM heatsinks.

general information

PWM Support and Low-Noise Adaptor

The NF-F12 120mm fan supplied with the NH-U12DXi4 supports PWM for convenient automatic speed control through the mainboard. In addition, the maximum fan speed can be reduced from 1500 to 1200rpm using the supplied Low-Noise Adaptor for even quieter operation.

general information

Anti-vibration Pads and Fan-clips for Second NF-F12 (optional)

For users who want to achieve even better performance by adding a second, optional NF-F12 fan to create a push/pull setup, the NH-U12DXi4 includes fan clips and an extra set of custom-designed anti-vibration pads that allow to off-set the rear fan by 5mm to improve acoustics in dual-fan mode.

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-U12DXi4 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