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Premium CPU Cooler Noctua NH-L9i-17xx for Intel LGA1700 & LGA1851 (Low-Profile, Brown)

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Brand: Noctua

Noctua NH-L9i-17xx is a low-profile CPU cooler designed for Intel LGA1700 and LGA1851 sockets. It is ideal for users who need efficient cooling in compact systems like HTPCs or SFF builds. The cooler features a compact design with a height of only 37mm, ensuring compatibility with small form factor cases and avoiding interference with RAM or PCIe components. Its tailored footprint ensures full compatibility with various motherboard form factors including ITX, Micro-ATX, and ATX.

The NH-L9i-17xx uses the award-winning NF-A9x14 fan, known for its balance between performance and noise. The fan includes a Low-Noise Adaptor and PWM support for automatic speed control. This allows the cooler to maintain full cooling performance under heavy loads while remaining whisper quiet during idle periods. The fan’s slim design contributes to the overall low-profile nature of the cooler.

Installation is made easy with the included SecuFirm2 mounting system and high-quality NT-H1 thermal paste. These components ensure secure attachment and optimal heat transfer between the CPU and the heatsink. The cooler is backed by a 6-year manufacturer’s warranty, reflecting Noctua’s confidence in its product quality and durability. It is suitable for Intel Core and Core Ultra processors with moderate heat output.

The NH-L9i-17xx is not recommended for high-end CPUs that generate significant heat under load. Users should check the compatibility list provided by Noctua to ensure their specific processor is supported. Despite its compact size, it delivers reliable cooling performance for most mainstream applications and light to moderate workloads.

Brand: Noctua
Model: NH-L9i-17xx
Specifications: Intel LGA1700 & LGA1851, 37mm height, NF-A9x14 fan, PWM control, 6-year warranty
Features: Low-profile design, compatible with SFF cases, includes NT-H1 thermal paste, SecuFirm2 mounting system, quiet operation
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