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Noctua NH-U12S Redux vs Noctua NH-L9x65 chromax.Black

Updated August 2026The Noctua NH-U12S Redux offers better performance and value for standard builds, while the NH-L9x65 chromax.Black excels in compact designs. Choose based on your specific needs.

The Noctua NH-U12S Redux offers better performance and value for standard builds, while the NH-L9x65 chromax.Black excels in compact designs. Choose based on your specific needs.

Why Noctua NH-U12S Redux is better

better price

C$62.95 vs C$101.95

higher cooling capacity

suitable for demanding CPUs

more versatile

fits standard ATX and Micro-ATX cases

Why Noctua NH-L9x65 chromax.Black is better

compact design

ideal for small form-factor builds

aesthetic appeal

all-black design

ultra-quiet operation

Low-Noise Adapter included

Overall score

Noctua NH-U12S Redux
85
Noctua NH-L9x65 chromax.Black
75

Specifications

SpecNoctua NH-U12S ReduxNoctua NH-L9x65 chromax.Black
Current PriceC$62.95C$101.95
Fan TypeNF-P12 redux-1700NF-A9x14
PWM SupportYesYes
Thermal PasteNT-H1NT-H1
Installation EaseEasyEasy

Dimension comparison

Noctua NH-U12S ReduxNoctua NH-L9x65 chromax.Black

Overview of the Noctua NH-U12S Redux and NH-L9x65 chromax.Black

The Noctua NH-U12S Redux is priced at C$62.95, while the NH-L9x65 chromax.Black is significantly more expensive at C$101.95. This price difference highlights the distinct markets these coolers cater to, with the NH-U12S Redux targeting a more budget-conscious audience compared to the premium positioning of the NH-L9x65 chromax.Black. Each cooler offers unique features tailored to different types of builds, making them suitable for varied user needs.

Design and Aesthetics

When it comes to design, the NH-U12S Redux boasts a slim 120mm size, which is versatile for most tower cases, ensuring compatibility without obstructing RAM slots or PCIe on most motherboards. In contrast, the NH-L9x65 chromax.Black is lauded for its compact low-profile design with a total height of only 65mm, making it an ideal choice for HTPCs and small form-factor builds. The all-black design of the NH-L9x65 chromax.Black adds a modern aesthetic that may appeal to users looking for a sleek, understated cooler.

Cooling Performance

The NH-U12S Redux is equipped with a quiet NF-P12 redux-1700 fan that supports PWM for automatic speed control, ensuring optimal cooling performance under load while remaining near silent at idle. This is particularly beneficial for users who dislike noisy cooling solutions. The NH-L9x65 chromax.Black features a highly optimised NF-A9x14 slim 92mm fan, also with PWM support, which promises ultra-quiet operation and is designed for CPUs with low to moderate heat dissipation. The NH-U12S Redux offers a broader cooling capability, making it suitable for more demanding processors, while the NH-L9x65 chromax.Black excels in compact builds where space is a premium.

Installation and Compatibility

Both coolers come with the SecuFirm2 mounting system, simplifying installation on various Intel and AMD platforms. The NH-U12S Redux supports a range of Intel sockets including LGA115x and LGA1700, as well as AMD AM4 and AM5, making it a versatile option for a variety of builds. The NH-L9x65 chromax.Black also supports the same socket types but includes an offset mounting option, which can enhance cooling efficiency in tight spaces. Users may find the NH-U12S Redux easier to install in standard builds, while the NH-L9x65 chromax.Black is tailored for more compact setups.

Noise Levels

Noise levels are a critical consideration when choosing a CPU cooler, and both the NH-U12S Redux and NH-L9x65 chromax.Black are designed with low noise in mind. The NH-U12S Redux operates quietly due to its PWM fan, making it suitable for users who are sensitive to noise. The NH-L9x65 chromax.Black, with its Low-Noise Adapter, is engineered for ultra-quiet operation, which is particularly advantageous in silent PC builds. While both coolers are designed to minimise noise, the NH-L9x65 chromax.Black may appeal more to audiophiles or those in noise-sensitive environments.

Thermal Paste

Thermal paste is an essential component for effective heat transfer between the CPU and cooler, and both products come with high-end NT-H1 thermal paste included in the package. This ensures that users receive a quality product that enhances thermal conductivity right out of the box. The inclusion of quality thermal paste in both coolers demonstrates Noctua's commitment to providing optimal performance without requiring users to purchase additional materials, which is a notable advantage for both models.

Target Audience

The NH-U12S Redux is an excellent choice for gamers and users needing robust cooling performance without breaking the bank, priced at C$62.95. It is particularly suitable for users building standard ATX or Micro-ATX systems with a demand for performance cooling. Meanwhile, the NH-L9x65 chromax.Black caters to enthusiasts who require a compact solution for small form-factor builds, making it ideal for HTPCs. This cooler is priced at C$101.95, reflecting its premium features and aesthetic appeal.

Which should you buy?

Ultimately, the choice between the Noctua NH-U12S Redux and the NH-L9x65 chromax.Black hinges on your specific needs. If you require a cost-effective cooling solution for a standard build, the NH-U12S Redux is the clear winner, offering excellent performance at a lower price point. However, if you are looking for a stylish, compact cooler specifically designed for small form-factor builds, the NH-L9x65 chromax.Black justifies its higher price with its thoughtful design and quiet operation. Consider your build requirements and budget to make the best choice for your cooling needs.

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Noctua NH-U12S Redux vs Noctua NH-L9x65 chromax.Black | versusfinder