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Built on the basis of the legendary NH-D14 and carrying on its quest for ultimate quiet cooling performance. Noctua’s flagship model NH-D15 is an elite-class dual tower cooler for the highest demands. Its expanded heatpipe layout and two premium grade NF-A15 140mm fans with PWM support for automatic speed control allow it to further improve the NH-D14’s award-winning efficiency. Topped off with the trusted. pro-grade SecuFirm2™ multi-socket mounting system. Noctua’s proven NT-H1 thermal compound and full 6 years manufacturer’s warranty. the NH-D15 forms a complete premium quality solution that represents a deluxe choice for overclockers and silent-enthusiasts alike.

Based on the award-winning NH-D14
Noctua’s NH-D14 has received more than 350 awards and recommendations from leading international hardware websites and magazines. making it one of the most successful premium heatsinks ever built. With its expanded layout and dual NF-A15 fans. the NH-D15 further improves the D14’s much acclaimed quiet cooling performance.

6 heatpipe dual tower design
As compared to conventional single tower heatinks. the NH-D15’s fine-tuned six heatpipe dual tower design provides more surface area. better heat-distribution and superior airflow efficiency in dual fan mode.

Widened fin stack and expanded heatpipe layout
Compared to the NH-D14. the NH-D15’s fin-stack has been widened from 140 to 150mm and its heatpipes are now spaced further apart. which allows for a more uniform heat distribution over a larger surface area and thus contributes to the NH-D15’s superior efficiency.

High RAM compatibility in single fan mode
Thanks to its recessed lower fins. the NH-D15 provides 66mm clearance for tall memory heatsinks in single fan mode. making it compatible with most high end RAM modules on the market. In dual fan mode. the NH-D15 should be used with standard height RAM (up to 32mm).* *In chassis with more than 165mm CPU cooler clearance. the front fan can be moved upwards to make room for memory modules taller than 32mm.

Dual NF-A15 140mm fans
The NH-D15 features two of Noctua's premium class NF-A15 140mm fans. Complying with Noctua's AAO standard and featuring sophisticated aerodynamic design measures such as Flow Acceleration Channels. the NF-A15 has quickly built up a reputation as one of the best 140mm fans on the market.

PWM support and Low-Noise Adaptors
The NF-A15 premium fans supplied with the NH-D15 support PWM for convenient automatic speed control through the motherboard. In addition. the maximum fan speed can be reduced from 1500 to 1200rpm using the supplied Low-Noise Adaptors for even quieter operation.

Excellent component cooling
Extending below the fin-stacks. the large NF-A15 fans not only contribute to the NH-D15's superb CPU cooling capabilities but also provide massive airflow over surrounding motherboard components and heatsinks. thus ensuring excellent component cooling performance.

SecuFirm2™ mounting system
Noctua's SecuFirm2™ mounting systems have become synonymous with quality. safety and easy installation. Supporting Intel LGA1851. LGA1700 (since 2021). LGA1200. LGA115x (LGA1150. LGA1151. LGA1155. LGA1156) as well as AMD (AM5. AM4 (since 2019)). the SecuFirm2™ mounting included with the NH-D15 is straightforward to install. provides perfect contact pressure and will stand the test of time even under heavy use.

Offset mounting option for AMD AM5
The NH-D15 includes Noctua’s offset mounting bars for AM5 that make it possible to install the cooler shifted towards the south side of the socket by 7mm. thereby achieving better contact quality right above the CCD(s). This improved contact exactly at the processor’s hotspot can significantly reduce CPU temperatures with typical improvements in the range of 1-3°C.

Compatibility with past and future sockets
Complying with the open SecuFirm™ standard. the NH-D15 can be made compatible with the older LGA1366 and LGA775 sockets using the optional NM-I3 mounting kit. which is provided by Noctua free of charge. If technically possible. Noctua will also provide upgrade kits for future sockets.

NT-H1 thermal compound
Noctua's much-acclaimed NT-H1 is a well proven pro-grade TIM solution that provides minimum thermal resistance. excellent ease-of-use and outstanding reliability. which makes it suitable for use in professional server and workstation environments.

Performance
Suitable location: Processor
Type: Cooler
Fan diameter: 14 cm
Rotational speed (min): 300 RPM
Rotational speed (max): 1500 RPM
Noise level (high speed): 24.6 dB
Airflow: 140.2 m³/h
Feature: Pulse-width modulation (PWM) support
Mean time between failures (MTBF): 150000 h
Design
Product colour: Beige. Brown. Steel
Material: Aluminium. Copper. Nickel
Number of fans: 2 fan(s)
Number of heat pipes: 6
Power
Power consumption (typical): 1.56 W
Voltage: 12 V
Weight & dimensions
Width: 150 mm
Depth: 161 mm
Height: 165 mm
Weight: 1.32 kg
Fan dimensions (W x D x H): 140 x 150 x 25 mm
Logistics data
Harmonized System (HS) code: 84733080