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Noctua NH-D15 G2 specifications and in-depth review

Noctua NH-D15 G2

Manufacturer: Noctua

The Noctua NH-D15 G2 is a large-format dual-tower air CPU cooler designed to cover a broad range of current and recent Intel and AMD platforms, including AM4, AM5, LGA 1700, LGA 1851, and several older LGA sockets. It ships with thermal paste included and carries a six-year warranty, which is notably generous for a cooler in this category. There is no RGB lighting or integrated display — the design is focused entirely on thermal and acoustic performance rather than aesthetics.

The heatsink body measures 168 x 150 x 152 mm and weighs 1,525 g, making it a substantial unit that demands adequate case clearance. Two fans with fluid dynamic bearings spin at up to 1,500 rpm, producing a combined maximum airflow of 91.6 CFM while keeping noise output at or below 24.8 dB at full speed — a figure that reflects the cooler's emphasis on quiet operation even under load.

Pros
  • A six-year warranty provides long-term coverage that is unusually generous for a CPU cooler
  • Broad socket compatibility spanning AM4, AM5, LGA 1851, LGA 1700, LGA 1200, LGA 1155, LGA 1151, and LGA 1150 makes it usable across a wide range of current and older platforms
  • A maximum noise level of 24.8 dB at full fan speed indicates restrained acoustic output even under load
  • Fluid dynamic bearings on the fans contribute to quieter and smoother long-term operation
  • Thermal paste is included in the box, removing the need for a separate purchase before installation
  • Two fans deliver a combined maximum airflow of 91.6 CFM at only 1,500 rpm, reflecting an efficient balance between air movement and rotational speed
Cons
  • At 168 mm tall, 150 mm wide, and 152 mm deep, the heatsink is a large unit that demands significant case clearance and may obstruct nearby RAM slots
  • Weighing 1,525 g, it places considerable mechanical load on the motherboard socket area
  • There is no RGB lighting for users who want their cooling hardware to integrate visually with an illuminated build
Who is this for?

The NH-D15 G2 is a strong fit for builders who prioritize quiet operation, given its 24.8 dB maximum noise ceiling even at full fan speed — making it well-suited to workstation environments, home offices, or any setting where acoustic comfort matters. Its broad socket support across AM4, AM5, LGA 1700, LGA 1851, and several older Intel sockets makes it a practical choice for users upgrading or building on a wide variety of current and legacy platforms without needing a different cooler. The included thermal paste and six-year warranty also make it a sensible long-term investment for users who want a low-maintenance cooling solution they won't need to revisit for years.

Who is this NOT for?

At 168 mm tall and 1,525 g, this cooler is a poor match for users working with compact or small-form-factor cases that cannot accommodate its height or the clearance it requires around the socket area. Builders with low-clearance RAM modules or densely populated motherboards may also find the heatsink's 150 mm width creates fitment conflicts with nearby components. Additionally, users who want their build to feature RGB lighting as part of a coordinated aesthetic will find nothing here to work with, as the cooler ships without any lighting elements whatsoever.

Cooling:

Cooling type Air
Max fan RPM 1500 rpm
Max airflow 91.6 CFM
Number of fans 2

The NH-D15 G2 uses air cooling with two fans that spin at up to 1,500 rpm, delivering a maximum combined airflow of 91.6 CFM. The dual-fan configuration allows the heatsink to move a substantial volume of air while keeping rotational speeds — and by extension, noise — in check.

Dimensions:

Heatsink/water block height 168 mm
Heatsink/water block width 150 mm
Heatsink/water block depth 152 mm

The heatsink measures 168 mm tall, 150 mm wide, and 152 mm deep, making it a large unit that requires sufficient clearance both vertically within the case and horizontally away from nearby memory slots and other motherboard components.

General info:

CPU socket AM4, AM5, LGA 1851, LGA 1700, LGA 1200, LGA 1155, LGA 1151, LGA 1150
Audible noise (max) 24.8 dB
weight 1525 g
warranty period 6 years

The NH-D15 G2 is compatible with a wide range of sockets, covering AM4, AM5, LGA 1851, LGA 1700, LGA 1200, LGA 1155, LGA 1151, and LGA 1150, which spans both current and several older Intel and AMD platforms. It weighs 1,525 g and reaches a maximum noise level of 24.8 dB at full fan speed. Noctua backs the unit with a six-year warranty, one of the longer coverage periods available for a CPU cooler.

Features:

Fan bearings Fluid dynamic bearings
has RGB lighting ✕
Thermal paste Included
Has a display ✕

The fans run on fluid dynamic bearings, which are known for smooth, quiet operation over extended use. Thermal paste is included in the box, so no separate purchase is needed before installation. The cooler does not feature RGB lighting or an integrated display, keeping the design straightforward and focused on function.

Final Verdict

The Noctua NH-D15 G2 is a large-format air cooler built around a clear set of priorities: low acoustic output, broad platform compatibility, and long-term reliability. Its dual-fan configuration delivers 91.6 CFM of airflow while staying at or below 24.8 dB, and a six-year warranty reflects a level of manufacturer confidence that is uncommon in this product category. The trade-offs are predictable and physical — its size demands adequate case clearance and leaves little room for error around tightly spaced motherboard components. For users building quiet, long-lasting systems on any of the eight supported sockets who are not constrained by case height or component spacing, the NH-D15 G2 represents a well-engineered and dependable choice.