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Noctua NH-U12S Redux vs Gamma A40 ARGB BK CPU Cooler

Updated August 2026The Noctua NH-U12S Redux offers superior cooling performance and quieter operation, making it a better choice for enthusiasts. However, the Gamma A40 ARGB BK CPU Cooler is a budget-friendly option with decent performance.

The Noctua NH-U12S Redux offers superior cooling performance and quieter operation, making it a better choice for enthusiasts. However, the Gamma A40 ARGB BK CPU Cooler is a budget-friendly option with decent performance.

Why Noctua NH-U12S Redux is better

Cooling Performance

Noctua has a larger 120mm fan for better airflow.

Noise Levels

Noctua operates nearly silent at idle.

Thermal Paste Quality

Includes high-end NT-H1 thermal paste.

Why Gamma A40 ARGB BK CPU Cooler is better

Price Point

Gamma A40 is significantly cheaper.

Compact Design

Gamma A40 fits in tighter spaces.

Aesthetics

Gamma A40 features eye-catching ARGB.

Overall score

Noctua NH-U12S Redux
85
Gamma A40 ARGB BK CPU Cooler
65

Specifications

SpecNoctua NH-U12S ReduxGamma A40 ARGB BK CPU Cooler
BrandNoctuaOcypus
Current PriceC$62.95C$29.09
Fan Type120mm PWM100mm
Socket CompatibilityIntel LGA1851, LGA1700, LGA1200, LGA115x, AMD AM5 & AM4Intel and AMD mainstream
Thermal PasteNT-H1Not specified

Dimension comparison

Noctua NH-U12S ReduxGamma A40 ARGB BK CPU Cooler

Design and Compatibility

The Noctua NH-U12S Redux features a slim 120mm design, ensuring excellent compatibility with various cases, RAM, and PCIe slots. In contrast, the Gamma A40 ARGB BK CPU Cooler has a compact height of 133mm, making it suitable for virtually any case. Both coolers are designed to fit a wide range of setups, but the Noctua’s streamlined design typically allows it to fit into tighter spaces without blocking RAM slots or PCIe lanes, giving it an edge in compatibility for users with space constraints.

Cooling Performance

In terms of cooling efficiency, the Noctua NH-U12S Redux is renowned for its high performance, leveraging a quiet NF-P12 redux-1700 120mm fan. This fan operates with PWM for automatic speed control, providing optimal cooling under load while remaining nearly silent at idle. The Gamma A40, on the other hand, supports a robust TDP of up to 200W, which is impressive for its size. However, it employs a 100mm fan, which may not match the airflow capabilities offered by the larger fan on the Noctua. Therefore, for users prioritizing cooling performance, especially in high-load scenarios, the Noctua appears to be the more reliable option.

Noise Levels

When it comes to noise levels, the Noctua NH-U12S Redux excels with its near-silent operation at idle. The fan is designed to maintain a quiet environment while still providing excellent cooling performance under load. In comparison, while the Gamma A40 has a powerful cooling system, its smaller fan may generate more noise, particularly under heavier loads. Users looking for a cooler that operates quietly in a home or office setting may find the Noctua to be the superior choice.

Installation Process

Both coolers promise easy installation, but the Noctua NH-U12S Redux includes the high-end NT-H1 thermal paste and a user-friendly SecuFirm2 mounting system, which is compatible with a variety of Intel and AMD sockets, including LGA1851 and AM5. The Gamma A40 also supports mainstream Intel and AMD platforms, making it relatively easy to install. However, the added features and quality of materials in the Noctua’s installation process may provide a smoother experience for users, particularly those new to building PCs.

Thermal Paste Quality

The Noctua NH-U12S Redux comes with NT-H1 thermal paste, known for its high performance in heat transfer, which is crucial for optimal cooling. This premium thermal paste can significantly enhance thermal conductivity between the CPU and the cooler. In contrast, the Gamma A40 does not specify the type of thermal paste included, which could imply a standard or lower-quality option. For enthusiasts who want the best possible thermal performance, the inclusion of high-quality thermal paste with the Noctua is a noteworthy advantage.

Price Point

Pricing is a significant factor for many buyers. The Noctua NH-U12S Redux is priced at C$62.95, reflecting its high-quality construction and performance capabilities. In comparison, the Gamma A40 ARGB BK CPU Cooler is much more budget-friendly at C$29.09. While the Gamma offers a lower entry point, the Noctua’s additional features and performance may justify the higher price for users seeking longevity and reliability in their cooling solution.

Aesthetics and RGB Features

The aesthetic appeal of the coolers differs significantly. The Noctua NH-U12S Redux leans towards a more traditional and understated design, suitable for users who prefer a no-frills look. In contrast, the Gamma A40 features a brand-new top cover with classic round dot matrix elements, adding an eye-catching ARGB flair. Those who prioritize aesthetics, particularly in systems with transparent cases or RGB setups, may find the Gamma A40 more visually appealing, while users seeking a professional look might prefer the Noctua.

Which should you buy?

When deciding between the Noctua NH-U12S Redux and the Gamma A40 ARGB BK CPU Cooler, it ultimately comes down to your specific needs and budget. If you are looking for superior cooling performance, quiet operation, and high-quality components, the Noctua NH-U12S Redux is worth the investment at C$62.95. However, if you are on a tighter budget and need a compact cooler that still offers solid performance, the Gamma A40 at C$29.09 provides excellent value. Both coolers have their merits, so your choice should align with your priorities for performance, aesthetics, and budget.

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Noctua NH-U12S Redux vs Gamma A40 ARGB BK CPU Cooler | versusfinder