ARCTIC Liquid Freezer III Pro 360 A-RGB - AIO CPU Cooler vs Noctua NH-U12S redux
Updated August 2026 — The ARCTIC Liquid Freezer III Pro 360 A-RGB offers superior cooling performance and advanced features, while the Noctua NH-U12S redux excels in quiet operation and ease of installation.
The ARCTIC Liquid Freezer III Pro 360 A-RGB offers superior cooling performance and advanced features, while the Noctua NH-U12S redux excels in quiet operation and ease of installation.
Why ARCTIC Liquid Freezer III Pro 360 A-RGB - AIO CPU Cooler is better
Cooling Performance
ARCTIC cooler provides better cooling under heavy loads.
Aesthetics
ARCTIC features customizable A-RGB lighting.
Advanced Features
ARCTIC includes an integrated VRM fan for enhanced performance.
Why Noctua NH-U12S redux is better
Noise Levels
Noctua operates near silent at idle.
Installation
Noctua's SecuFirm2 system simplifies installation.
Compact Design
Noctua fits in tighter spaces without obstruction.
Overall score
Specifications
| Spec | ARCTIC Liquid Freezer III Pro 360 A-RGB - AIO CPU Cooler | Noctua NH-U12S redux |
|---|---|---|
| Cooling Type | Liquid | Air |
| Socket Support | Intel LGA1851, LGA1700 | Intel LGA1851, LGA1700, AMD AM5 & AM4 |
| Fan Noise | Variable | Near Silent |
| RGB Lighting | Yes | No |
| Installation Ease | Moderate | Easy |
Dimension comparison
Overview of the ARCTIC Liquid Freezer III Pro 360 A-RGB and Noctua NH-U12S redux
The ARCTIC Liquid Freezer III Pro 360 A-RGB is priced at £74.99, while the Noctua NH-U12S redux comes in slightly cheaper at £65.68. Both products are designed to enhance CPU cooling, but they cater to different user needs and preferences, which we will explore in detail.
The ARCTIC cooler is an all-in-one liquid cooling solution that boasts advanced features such as an integrated VRM fan and a unique contact frame for optimised heat dissipation. In contrast, the Noctua NH-U12S redux is a traditional air cooler, known for its compact design and quiet operation. This comparison will delve into the specific attributes and performance metrics of each product to help you make an informed decision.
Design and Build Quality
In terms of design, the ARCTIC Liquid Freezer III Pro features a sleek, modern aesthetic with A-RGB lighting, while the Noctua NH-U12S redux showcases a more understated, classic design. The use of a 360mm radiator in the ARCTIC cooler allows for better heat dissipation, making it suitable for high-performance builds.
The Noctua cooler, with its slim 120mm profile, is designed to fit in most tower cases without obstructing RAM slots or PCIe slots. This makes it a more versatile choice for users with space constraints. Overall, while the ARCTIC cooler stands out for its advanced cooling capabilities and visual flair, the Noctua offers a practical and reliable option for various configurations.
Cooling Performance
Cooling performance is a critical factor for CPU coolers, and both products excel in their respective domains. The ARCTIC Liquid Freezer III Pro utilises its P12 PRO FAN technology, offering powerful cooling even at lower speeds, ensuring optimal performance under heavy workloads. This is particularly beneficial for users who run demanding applications or games.
Conversely, the Noctua NH-U12S redux employs a quiet NF-P12 fan that maintains low noise levels, even when under load. It is designed to provide full cooling performance while remaining near silent at idle, making it a great choice for quiet builds. While the ARCTIC cooler may provide superior cooling for high-performance CPUs, the Noctua excels in noise management.
Installation Process
The installation process varies significantly between the two coolers. The ARCTIC Liquid Freezer III Pro features an integrated cable management system, which simplifies the installation by reducing visible cable clutter. It is also designed for easy mounting on both Intel and AMD CPU sockets.
In contrast, the Noctua NH-U12S redux comes with the SecuFirm2 mounting system that simplifies the installation process further by supporting multiple socket types, including Intel LGA1851 and AMD AM4. This may appeal to users who frequently upgrade or change their hardware. While both coolers are designed for user-friendly installation, the Noctua's approach may resonate more with those prioritising straightforward assembly.
Noise Levels
When it comes to noise levels, the Noctua NH-U12S redux has a distinct advantage. It is specifically designed to operate quietly due to its PWM-controlled NF-P12 fan, which ensures that it is near silent at idle and only ramps up during high loads. This makes it an excellent choice for users who value a quiet computing environment.
The ARCTIC Liquid Freezer III Pro, while powerful, does not specifically highlight its noise performance in the same way. Its focus on cooling efficiency may lead to more audible operation, particularly under heavy loads. Users sensitive to noise may prefer the Noctua for its renowned quiet performance.
Compatibility
Compatibility is an essential consideration when selecting a CPU cooler. The ARCTIC Liquid Freezer III Pro is optimised for both Intel LGA1851 and LGA1700 sockets, ensuring it meets the needs of a wide range of modern CPUs. It also features a native offset mounting system that enhances heat transfer efficiency by shifting the cold plate centre towards the CPU hotspot.
The Noctua NH-U12S redux is equally versatile, supporting an extensive range of sockets including Intel LGA1851, LGA1700, and AMD AM5 & AM4. Its slim design further enhances compatibility, allowing it to fit in most tower cases without any hindrance. Users will find both options compatible with a variety of builds, but the ARCTIC cooler's additional features for heat transfer could be a deciding factor for high-performance setups.
Aesthetics and RGB Features
Aesthetics play a significant role in many builds, and the ARCTIC Liquid Freezer III Pro takes the lead with its A-RGB lighting, allowing users to customise their system’s look. The modern design and RGB features can enhance the visual appeal of a gaming or high-end workstation setup.
On the other hand, the Noctua NH-U12S redux offers a more utilitarian appearance, focusing on function over flash. While it may not have RGB capabilities, its design is clean and professional, appealing to users who prefer a subtle look. For those prioritising aesthetics and customisation, the ARCTIC cooler is the clear winner, while the Noctua is better suited for users who favour a classic design.
Which should you buy?
In conclusion, the choice between the ARCTIC Liquid Freezer III Pro 360 A-RGB and the Noctua NH-U12S redux largely depends on individual needs and preferences. If you seek superior cooling performance, advanced features, and an aesthetic appeal with RGB lighting, the ARCTIC cooler, priced at £74.99, is an excellent choice. However, if quiet operation, ease of installation, and a compact design are your priorities, the Noctua NH-U12S redux at £65.68 offers a reliable and effective solution. Ultimately, both coolers have their strengths, making either a solid investment for enhancing your CPU cooling experience.
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