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Award-winning NH-U series
The NH-U9DX i4 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.
4U Compatibility
Sporting four heatpipes, a surface area of more than 3800cm² and two premium grade 92mm fans, the NH-U9DX i4 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.
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 optimisations such as Bevelled Blade Tips and Vortex-Control Notches. In order to achieve its superb quiet cooling capability, the NH-U9DX i4 comes equipped with two NF-B9 fans in a push/pull setup.
PWM support and Low-Noise Adaptor
The NF-B9 92mm fans supplied with the NH-U9DX i4 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.
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), LGA2066, LGA1356 and LGA1366 Xeon platforms, the SecuFirm2™ mounting included with the NH-U9DX i4 guarantees perfect contact pressure and maximum convenience on all sockets.
NT-H1 thermal compound
Having received more than 100 awards and recommendations from hardware journalists around the world, Noctua's NT-H1 is a proven professional grade TIM solution that provides minimum thermal resistance, excellent ease of use and outstanding reliability.
6-year manufacturer’s warranty
Noctua products are renowned for their impeccable quality and outstanding longevity. Like all Noctua fans, the supplied NF-B9 models feature an MTTF rating of more than 150.000 hours and the entire NH-U9DX i4 package comes with a full 6-year manufacturer's warranty.
Noctua>Fan>NH-U9DX i4
Cooler Specification
Socket compatibility : Intel LGA2066, LGA2011-0 &
LGA2011-3 (Square ILM & Narrow ILM),
LGA1356, LGA1366 (with Xeon backplate)
Height (without fan) : 125 mm
Width (without fan) : 95 mm
Depth (without fan) : 71 mm
Height (with fan) : 125 mm
Width (with fan) : 95 mm
Depth (with fan) : 95/120* mm
Weight (without fan) : 460 g
Weight (with fan/s) : 550/640* g
Material : Copper (base and heat-pipes),
aluminium (cooling fins),
soldered joints & nickel plating
Fan compatibility : 92x92x25
Scope of delivery : NF-F12 PWM premium fan
2x NF-B9 PWM premium fan
Low-Noise Adaptor (L.N.A.)
NT-H1 high-grade thermal compound
SecuFirm2™ Mounting Kit
Warranty : 6 Years
FAN Specification
Model : Noctua NF-B9 PWM
Bearing : SSO2
Max. Rotational Speed (+/- 10%) : 1600 RPM
Max. Rotational Speed with L.N.A. (+/- 10%) : 1300 RPM
Min. Rotational Speed (PWM, +/-20%) : 300 RPM
Max. Airflow: 64,3 m³/h
Max. Airflow with L.N.A. : 52,6 m³/h
Max. Acoustical Noise : 17,6 dB(A)
Max. Acoustical Noise with L.N.A. : 13,1 dB(A)
Input Power : 0,96 W
Voltage Range : 12 V
MTTF : > 150.000 h
NH-NH-U9DX i4
Noctua's DX line of coolers has become a default choice in high performance quiet cooling solutions for Intel Xeon CPUs. The latest i4 revision supports LGA2011 (both Square ILM and Narrow ILM), LGA1356 and LGA1366 based Xeon platforms and the 9cm model NH-U9DX i4 comes equipped with two of Noctua’s award-winning NF-B9premium fans with PWM for automatic speed control. Standing 125mm tall, the NH-U9DX i4 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, the NH-U9DX i4 forms a complete premium quality package for quietly cooling Xeon based workstations and servers.