Noctua NH-D9 DX-3647 4U CPU cooler - 92mm [NH-D9 DX-3647 4U]

Noctua is one of the well-known names in the silent and high-end cooling sector. The Austrian manufacturer's CPU coolers in particular enjoy an excellent reputation. They combine excellent workmanship with high cooling performance and minimal noise. The in-house developed fans from Noctua are also largely responsible for this, which are also available separately to serve as case, CPU or radiator fans.

The Noctua NH-D9 DX-3647 4U CPU cooler at a glance:
- Single tower CPU cooler
- 2x Noctua NF-A9 premium fans
- PWM support and low-noise adapter
- Extremely simple SecuFirm2 mounting system
- Tailor-made for Intel's LGA3647 socket for Xeon CPUs
- Six years manufacturer's guarantee

Efficient and reliable CPU cooler for Intel's LGA3647 socket
As a 9 cm top model, the NH-D9 DX-3647 4U is a powerful single-tower CPU cooler in Noctua's classic U series, which has received more than 400 awards and recommendations from international specialist publications. Due to the larger format, six heat pipes and the NF-A9 92 mm fan with PWM support for fully automatic speed control, this CPU cooler equates to all other coolers of the U series despite its small size in terms of cooling performance.

At the same time, the slim 120 mm design guarantees high compatibility with large memory modules. The all-round high-quality overall package is completed by the proven SecuFirm2 mounting system, Noctua's renowned NT-H1 thermal paste and 6 year manufacturer's guarantee. Its outstanding cooling performance, good compatibility and excellent running smoothness make the NH-D9 DX-3647 4U a premium solution for the highest demands.

Premium fan ensures the best cooling
With a height of 95 mm, the NH-U14S DX-3647 4U fits easily into most modern high-end tower cases. With a width of 120 mm (including fan and fan clips), the cooler offers better compatibility with SLI and CrossFire systems than models that are over 150 mm wide or use wider fans.

The NF-A9 is a quiet 92 mm premium fan with a round AAO (Advanced Acoustic Optimization) frame, which, thanks to advanced aerodynamic construction measures such as flow acceleration channels, achieves even better silent performance than the award-winning NF-P9. It supports PWM for convenient, fully automatic speed control via the mainboard.

More performance in the pull / push process
For users who want to achieve even better performance with a second NF-A9 fan in push / pull operation, the NH-D9 DX-3647 4U is supplied with special fan clips and an additional set of anti-vibration pads. These allow the rear fan to be offset by 5 mm and thus to achieve better acoustics in double fan operation.

Noctua's SecuFirm2 mounting system has become a synonym for quality, reliability and user- friendliness. The NH-D9 DX-3647 4U is a dedicated version for Intel's LGA3647 socket in square and narrow design with Xeon CPUsthat is particularly easy to assemble. Simply put the cooler on, tighten the four spring screws and you're done! In addition, due to an enlarged and tailored contact area, this cooler cannot be used on other pedestals and is not compatible with Noctua's standard mounting system.

Technical details:
Dimensions (without fan): 134 x 95 x 95 mm (W x H x D)
Dimensions (with fan): 134 x 95 x 120 mm (W x H x D)
Weight (without / with fans): 584/769 g
Material: nickel-plated copper (base, heat pipes), nickel-plated aluminium (fins)
Fan: 2x Noctua NF-A9 PWM (92 mm)
Noise development: 30.6 dB (A)
Rotational speed: 2,500 rpm
Volume flow: 96.3 m³ / h
Static pressure: 3.39 mmH2O
Operating voltage: 12 V
Power consumption: 1.68 W.
Life expectancy:> 150,000 h
Compatibility: Intel LGA3647

Scope of delivery:
2x NF-A9 PWM premium fans
NT-H1 high-end thermal paste
SecuForm2 assembly kit for LGA3647
anti-vibration pads and fan clips for double fan operation
Noctua case badge made of metal