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Thermalright Peerless Assassin 120 Black CPU Air vs Thermalrlght Peerless Assassin 120 SE CPU Air

Updated August 2026 — Thermalright Peerless Assassin 120 Black CPU Air leads on compatibility and cooling.

The Thermalright Peerless Assassin 120 Black offers superior aesthetics and build quality, while the SE variant provides a more budget-friendly option with similar performance.

Why Thermalright Peerless Assassin 120 Black CPU Air is better

Aesthetics

The Black model has a sleek electroplated finish.

Build Quality

The Black model features a premium design.

Fan Model

The TL-C12B fan is optimized for performance.

Why Thermalrlght Peerless Assassin 120 SE CPU Air is better

Price

The SE model is $6 cheaper.

Weight

The SE model is lighter.

Fan Speed

The SE model has a slightly higher fan speed.

Overall score

Thermalright Peerless Assassin 120 Black CPU Air
85
Thermalrlght Peerless Assassin 120 SE CPU Air
78

Specifications

SpecThermalright Peerless Assassin 120 Black CPU AirThermalrlght Peerless Assassin 120 SE CPU Air
Noise Level25.6 dB(A)25.6 dB(A)
Heat Pipes66
TDP245W245W
Fan ModelTL-C12BTL-C12C
CompatibilityLGA1150-1700, AM4/AM5LGA1150-1700, AM4/AM5

Dimension comparison

Thermalright Peerless Assassin 120 Black CPU AirThermalrlght Peerless Assassin 120 SE CPU Air

Overview of the Thermalright Peerless Assassin 120 Black

The Thermalright Peerless Assassin 120 Black CPU Air Cooler is priced at $38.90, making it a competitive option in the CPU cooling market. This model features six heat pipes and is equipped with a TL-C12B PWM fan, designed to enhance heat dissipation efficiency. With a noise level of 25.6 dB(A) and an airflow rate of 66.17 CFM, this cooler aims to provide effective cooling while maintaining a quiet operation.

The cooler's unique design includes a full electroplating reflow welding process and a black aluminum heatsink cover, which not only enhances aesthetics but also improves thermal performance. It is compatible with a wide range of Intel and AMD sockets, ensuring flexibility for various builds.

Overview of the Thermalrlght Peerless Assassin 120 SE

The Thermalrlght Peerless Assassin 120 SE CPU Air Cooler is slightly cheaper, priced at $32.90, making it about 17% more affordable than the Black version. It also features six heat pipes and dual 120mm TL-C12C PWM fans, which provide similar airflow rates of 66.17 CFM and noise levels of 25.6 dB(A). This model also boasts a soldered heatsink base and nickel-plated heat pipes, which contribute to its durability and performance.

The SE variant's design includes an anodized brushed black top cover, enhancing its appearance while maintaining the cooling efficacy expected from Thermalright products. Like the Black model, it is compatible with multiple Intel and AMD socket types, making it a versatile choice for builders.

Cooling Performance Comparison

Both the Thermalright Peerless Assassin 120 Black and the Peerless Assassin 120 SE are engineered for superior cooling performance, thanks to their six heat pipes and dual-fan configurations. The Black model utilizes a TL-C12B PWM fan, while the SE employs TL-C12C PWM fans, although the performance metrics like airflow and noise levels remain the same for both models.

The innovative AGHP technology featured in both products helps mitigate the inverse gravity effect during operation, ensuring consistent thermal management regardless of the cooler's orientation. This technology is particularly beneficial for users with cases that may restrict airflow. Therefore, cooling performance is comparable, with both models capable of handling up to 245W TDP.

Installation and Compatibility

When it comes to installation and compatibility, both the Thermalright Peerless Assassin 120 Black and the Peerless Assassin 120 SE support a wide range of Intel and AMD sockets, including LGA 1150 to LGA 1700 for Intel and AM4 to AM5 for AMD.

The Black model includes metal fasteners for easy installation, while the SE version features the SS2 install system, designed to enhance contact with the CPU. This slight difference in installation systems may affect user experience, but both coolers aim to provide a seamless setup process.

Aesthetic Considerations

In terms of aesthetics, the Thermalright Peerless Assassin 120 Black presents a sleek black design with a full electroplating finish, which may appeal to users looking for a modern look in their builds. The SE variant, with its anodized brushed black top cover and nickel-plated heat pipes, offers a more refined appearance, making it suitable for builds that emphasize visual appeal.

Both models are designed to fit seamlessly in most cases, but the Black version's unique finish may stand out more in a windowed chassis. Users prioritizing aesthetics may find this difference significant when choosing between the two.

Noise Levels and Fan Performance

Both CPU coolers operate at a maximum noise level of 25.6 dB(A), which is quite low, ensuring that they won't disrupt a quiet computing environment. The airflow performance is also identical, rated at 66.17 CFM for both models, which should provide ample cooling for high-performance CPUs without excessive noise.

Despite minor differences in fan specifications, users can expect similar noise and airflow results from either cooler, making both options equally viable for noise-sensitive setups.

Price Comparison

The Thermalright Peerless Assassin 120 Black is priced at $38.90, while the Thermalrlght Peerless Assassin 120 SE is available for $32.90. This price difference of $6 reflects the SE model's slightly lower cost, offering a more budget-friendly option without sacrificing essential features and performance.

While both coolers provide excellent value for their price points, the SE model’s lower price may appeal more to budget-conscious consumers looking for quality CPU cooling solutions.

Which should you buy?

Choosing between the Thermalright Peerless Assassin 120 Black and the Thermalrlght Peerless Assassin 120 SE ultimately depends on your specific needs and preferences. If aesthetics and a slightly premium build quality are your priorities, the Black model may be worth the extra cost. However, if you are looking for a more budget-friendly option with similar cooling performance and features, the SE variant is an excellent choice that still meets high standards. Both coolers provide excellent cooling solutions for a variety of CPU sockets, ensuring that you can find a suitable option regardless of your system requirements.