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Noctua NH-D15 CPU Cooler Review

It is quite clear that the NH-D15 is an evolution of the NH-D14, with a design that has been adapted to meet the ever increasing demands of overclocking enthusiasts.


Noctua has retained the dual tower configuration, with a series of aluminium fins arrange across the six nickel-plated copper heatpipes.  These heatpipes measure 6mm in diameter and are U-shaped, meaning each heatpipe passes through both towers and the CPU block in the centre.


One of the main issues with the NH-D14 was RAM compatibility, as the heatsink had a tendency to obscure the memory slots.  Noctua have cut large sections into the heatsink of the NH-D15 to allow sufficient room to install memory with tall heatspreaders.  While we wouldn’t guarantee compatibility with all memory, we tried a number of different types and didn’t have a problem with any.


The CPU block is almost identical in design to most other Noctua models, consisting of a textured nickel-plated copper block.  Unlike some manufacturers, Noctua don’t pre-apply thermal paste to the block, but do include a tube of high-quality paste in the bundle.


The NH-D15 is supplied with two Noctua NF-A15 150 mm fans.  These features 140 mm mounting points, meaning you would have to replace them with 140mm models if you’re considering alternatives.

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The fans can be PWM controlled, spinning up to a maximum of 1,500 RPM at full speed, although Noctua include a low noise adapter for those who want to ensure they have a silent system.

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