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ARCTIC P14 PWM PST - PC Fans, vs Thermalright Assassin X120 Refined SE CPU Air

Updated July 2026 — ARCTIC P14 PWM PST - PC Fans, wins on rpm max and fan size, Thermalright Assassin X120 Refined SE CPU Air wins on weight and height.

The ARCTIC P14 PWM PST excels in cooling performance and longevity, while the Thermalright Assassin X120 offers a budget-friendly CPU cooling solution. Choose based on your specific needs.

Why ARCTIC P14 PWM PST - PC Fans, is better

Cooling Performance

Higher RPM range for better airflow

Noise Levels

Quieter operation at 0.3 Sone

Lifespan

Longer lifespan due to advanced motor technology

Why Thermalright Assassin X120 Refined SE CPU Air is better

Price

More affordable at $17.90

Installation

Compatible with various CPU sockets

Weight

Lighter design at 0.645kg

Overall score

ARCTIC P14 PWM PST - PC Fans,
85
Thermalright Assassin X120 Refined SE CPU Air
70

Specifications

SpecARCTIC P14 PWM PST - PC Fans,Thermalright Assassin X120 Refined SE CPU Air
Price$40.99$17.90
Static Pressure2.40 mmH₂ON/A
LifespanUp to 40,000 hoursUp to 20,000 hours
Fan TypePWM FanPWM Fan
CompatibilityVarious casesIntel & AMD

Dimension comparison

ARCTIC P14 PWM PST - PC Fans,Thermalright Assassin X120 Refined SE CPU Air

Overview of the Products

In this comparison, we have the ARCTIC P14 PWM PST and the Thermalright Assassin X120 Refined SE CPU Air Cooler. The ARCTIC P14 PWM PST is a set of five 140mm PC fans designed for efficient cooling, while the Thermalright Assassin X120 is a CPU air cooler featuring a unique four heat pipe design. Both products serve different cooling needs, making them suitable for distinct parts of a computer build.

The ARCTIC P14 PWM PST is priced at $40.99 for a pack of five fans, making it an attractive option for those looking to enhance airflow in their cases. In contrast, the Thermalright Assassin is priced at $17.90, targeting those needing a solid air cooling solution for their CPU. Both products have their strengths, catering to various user requirements.

Cooling Performance

When assessing cooling performance, the ARCTIC P14 PWM PST stands out with its optimized static pressure. This fan operates at a speed range of 200 to 1700 RPM, ensuring efficient airflow even in high-resistance environments like heatsinks and radiators. This capability is crucial for maintaining low temperatures during demanding tasks.

On the other hand, the Thermalright Assassin X120 utilizes four heat pipes and a PWM fan that can reach speeds of 1550 RPM. While it provides sufficient cooling for CPUs, it may not match the high RPM capabilities of the ARCTIC fans. However, the Assassin’s design aims to effectively manage CPU temperatures, making it a reliable choice for mid-range builds.

Noise Levels

Noise levels are an essential factor in choosing cooling solutions. The ARCTIC P14 PWM PST operates with a noise level of just 0.3 Sone, ensuring quiet operation even under heavy load. This characteristic makes it ideal for users who prefer a silent computing environment.

In contrast, the Thermalright Assassin X120 has a maximum noise level of 25.6 dB(A), which is still relatively low but higher than the ARCTIC fans. This difference may be noticeable in quieter setups, particularly for users who prioritize a noise-free experience. Therefore, if silence is a priority, the ARCTIC P14 PWM PST has a clear advantage.

Lifespan and Reliability

The longevity of cooling components is critical for maintaining performance over time. The ARCTIC P14 PWM PST boasts a significantly extended lifespan due to a motor temperature that is consistently lower by 10 °C, potentially doubling its lifespan compared to standard fans. This durability is attributed to its advanced motor technology, which runs cooler and more efficiently.

Conversely, the Thermalright Assassin X120 features S-FDB bearings designed to provide a long service life, estimated at up to 20,000 hours. While this is respectable, it doesn’t quite match the longevity claims of the ARCTIC fans. Users looking for lasting components may find the ARCTIC P14 PWM PST to be a more appealing option.

Installation and Compatibility

The installation process and compatibility with different systems are crucial for user convenience. The ARCTIC P14 PWM PST is straightforward to install, being a standard 140mm fan compatible with various cases and radiators. This versatility allows it to fit seamlessly into many setups, enhancing airflow wherever needed.

The Thermalright Assassin X120 is designed to support a wide range of Intel and AMD sockets, making it suitable for various CPU types. It comes equipped with metal fasteners for easy installation. However, its larger size (148mm height) may limit compatibility with smaller cases, making users consider their case dimensions before purchase.

Price Comparison

Price is often a determining factor in product selection. The ARCTIC P14 PWM PST is priced at $40.99 for a pack of five fans, leading to an effective cost of about $8.20 per fan. In contrast, the Thermalright Assassin X120 comes in at just $17.90, providing a single CPU cooler. This makes it approximately 56% cheaper than the per-fan cost of the ARCTIC fans.

While the ARCTIC fans may offer higher performance and longevity, the Thermalright cooler presents a more affordable option for those focused solely on CPU cooling solutions. Budget-conscious consumers might lean towards the Thermalright model, yet they should weigh the benefits of investing in higher-quality fans.

Brand Reputation

Both brands have established themselves in the cooling market, but they cater to slightly different demographics. ARCTIC is known for its emphasis on cooling efficiency and quiet operation, focusing on providing high-performance fans. Their products are often well-regarded for reliability and performance, particularly in gaming and high-performance computing setups.

Thermalright, with over 20 years of experience, has built a reputation for effective and innovative cooling solutions. Their products, including the Assassin X120, are popular among budget builders and gamers who need reliable cooling without breaking the bank. While both brands have their strengths, the choice may depend on specific user needs and preferences.

Which should you buy?

Deciding between the ARCTIC P14 PWM PST and the Thermalright Assassin X120 ultimately hinges on your cooling requirements. If you need a high-performance, quiet fan solution for your case, the ARCTIC P14 PWM PST is a compelling choice, especially with its superior static pressure and longevity. However, if you are primarily looking for an economical and reliable CPU cooler, the Thermalright Assassin X120 offers excellent value at a lower price point. Consider your specific needs—whether it’s case airflow or CPU cooling—and choose accordingly.