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Noctua NF-A14 PWM vs Thermalright Assassin King 120 SE White ARGB CPU

Updated August 2026 — Noctua NF-A14 PWM leads on aesthetics and cooling.

The Noctua NF-A14 PWM excels in quiet operation and longevity, while the Thermalright Assassin King 120 SE offers a more budget-friendly option with appealing aesthetics.

Why Noctua NF-A14 PWM is better

Noise Level

Noctua operates at a lower maximum noise level of 24.6 dB(A) compared to Thermalright's 25.6 dB(A).

Longevity

Noctua has a mean time to failure (MTTF) of over 150,000 hours.

Cooling Efficiency

Noctua features advanced technology for superior cooling performance.

Why Thermalright Assassin King 120 SE White ARGB CPU is better

Price

Thermalright is priced lower at $19.82.

Aesthetics

Thermalright includes customizable ARGB lighting.

Compact Size

Thermalright has a smaller footprint, making it suitable for tighter builds.

Overall score

Noctua NF-A14 PWM
85
Thermalright Assassin King 120 SE White ARGB CPU
78

Specifications

SpecNoctua NF-A14 PWMThermalright Assassin King 120 SE White ARGB CPU
Max Noise24.6 dB(A)25.6 dB(A)
Max RPM15001550
MTTF150,000 hours20,000 hours
ARGBNoYes
Socket SupportVariousIntel/AMD

Dimension comparison

Noctua NF-A14 PWMThermalright Assassin King 120 SE White ARGB CPU

Overview of the Noctua NF-A14 PWM and Thermalright Assassin King 120 SE White ARGB

The Noctua NF-A14 PWM is a premium quiet fan priced at $24.95, while the Thermalright Assassin King 120 SE White ARGB CPU air cooler comes in at a lower price of $19.82, making it about 17% cheaper. This comparison will delve into various aspects of both products, helping consumers make an informed choice based on their cooling needs and preferences.

Design and Build Quality

Both the Noctua NF-A14 PWM and the Thermalright Assassin King 120 SE feature robust designs tailored for effective cooling. The Noctua's square frame design measures 140x140x25mm and is ideal for various applications such as water cooling radiators and PC cases. In contrast, the Thermalright Assassin King has a more compact footprint, measuring 120x73x148mm, and is equipped with five heat pipes to enhance thermal performance. The premium materials used in both products ensure a long service life, with the Noctua fan boasting a mean time to failure (MTTF) of over 150,000 hours.

Cooling Performance

When it comes to cooling performance, the Noctua NF-A14 PWM can reach a maximum speed of 1500 RPM, generating a maximum noise level of 24.6 dB(A). This makes it an excellent choice for users prioritizing a quiet operating environment. The Thermalright Assassin King, equipped with a TL-C12CW-S PWM fan, operates at a slightly higher fan speed of 1550 RPM but can produce noise levels of up to 25.6 dB(A). While both products offer efficient cooling, the Noctua may have a slight edge in maintaining quieter operation during peak performance.

Compatibility and Installation

Compatibility is crucial when selecting a CPU cooler. The Noctua NF-A14 PWM is versatile, fitting a wide range of setups, particularly those involving water cooling. The Thermalright Assassin King supports several Intel and AMD socket types, including LGA1700, LGA1200, and AM4, making it a flexible choice for various builds. The installation of the Noctua fan is straightforward, as it includes anti-vibration mounts and screws, while the Thermalright cooler comes with metal fasteners for easy setup. Ultimately, both products provide adequate compatibility, but the Thermalright's explicit support for multiple CPU sockets might appeal to a broader audience.

Features and Technology

The Noctua NF-A14 PWM comes packed with advanced features, such as Flow Acceleration Channels and an Advanced Acoustic Optimisation frame, which significantly enhance its cooling efficiency and noise reduction. In comparison, the Thermalright Assassin King employs AGHP technology, utilizing five heat pipes to combat the inverse gravity effect, thereby maintaining optimal cooling performance in various orientations. While both products are technologically advanced, the Noctua may appeal more to users who seek a quieter fan experience with additional noise-reducing features.

Aesthetics

Aesthetics can play a significant role in a consumer's choice. The Noctua NF-A14 PWM features a classic brown design, which is distinctive but may not appeal to everyone. On the other hand, the Thermalright Assassin King boasts an attractive ARGB lighting feature, allowing users to customize their setup's visual appeal. If aesthetics are a priority, the Thermalright cooler might be the better choice, especially for those who enjoy RGB lighting in their builds.

Price Comparison

Pricing is a critical factor for many consumers. The Noctua NF-A14 PWM is priced at $24.95, while the Thermalright Assassin King is more budget-friendly at $19.82. This price difference of about $5.13 makes the Thermalright cooler a more attractive option for cost-conscious buyers. However, it's essential to consider the performance and features each product offers in relation to their price.

User Experience and Feedback

While there is no specific sales rank or bestseller data available for either product, both brands have established strong reputations in the market. Noctua fans are often praised for their durability and quiet operation, making them a favorite among enthusiasts. The Thermalright brand has gained popularity for providing solid performance at competitive pricing, appealing to gamers and PC builders alike. User feedback highlights the reliability and effectiveness of both products, suggesting that consumers can expect satisfactory performance regardless of their choice.

Which should you buy?

Choosing between the Noctua NF-A14 PWM and the Thermalright Assassin King 120 SE White ARGB ultimately depends on your specific needs. If you prioritize a quieter fan with a proven record of reliability and longevity, the Noctua NF-A14 PWM is an excellent choice. However, if you're looking for a cost-effective solution that offers solid cooling performance and attractive aesthetics with ARGB lighting, the Thermalright Assassin King 120 SE could be the better option for you. Consider your budget, cooling requirements, and preference for aesthetics to make the best decision.