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ID-COOLING IS-55 Black CPU Cooler Low Profile vs Thermalright PS120SE CPU Air Cooler, 7 Heat Pipes

Updated August 2026 — ID-COOLING IS-55 Black CPU Cooler Low Profile wins on size compatibili, Thermalright PS120SE CPU Air Cooler, 7 Heat Pipes wins on heat pipes and brand reputation.

The Thermalright PS120SE offers superior cooling performance and quieter operation, making it the better choice for high-performance builds.

Why ID-COOLING IS-55 Black CPU Cooler Low Profile is better

Compact Size

Ideal for small form factor builds

Lower Noise

Max noise level of 31.2 dB(A)

RAM Compatibility

Does not obstruct memory slots

Why Thermalright PS120SE CPU Air Cooler, 7 Heat Pipes is better

Cooling Performance

Handles TDP up to 280W

Airflow

Max airflow of 66.17 CFM

Heat Pipes

Seven heat pipes for better heat dissipation

Overall score

ID-COOLING IS-55 Black CPU Cooler Low Profile
75
Thermalright PS120SE CPU Air Cooler, 7 Heat Pipes
85

Specifications

SpecID-COOLING IS-55 Black CPU Cooler Low ProfileThermalright PS120SE CPU Air Cooler, 7 Heat Pipes
Heat Pipes57
Max Noise31.2 dB(A)25.6 dB(A)
TDP SupportN/A105W-280W
Fan TypePWMPWM
CompatibilityIntel/AMDIntel/AMD

Dimension comparison

ID-COOLING IS-55 Black CPU Cooler Low ProfileThermalright PS120SE CPU Air Cooler, 7 Heat Pipes

Overview of the ID-COOLING IS-55 Black CPU Cooler

The ID-COOLING IS-55 Black CPU Cooler is priced at $39.99 and is designed specifically for compact builds with its low-profile height of just 57mm. This cooler features five heat pipes and a 120mm PWM fan that promotes effective heat dissipation, making it ideal for small form factor systems. The cooler’s design prioritizes RAM compatibility, ensuring that users can install it without obstructing memory slots.

Its low-noise operation is another significant advantage, with a maximum noise level of 31.2 dB(A). The cooler is compatible with a wide range of Intel and AMD sockets, including Intel LGA 1851/1700/1200 and AMD AM4/AM5. With its combination of features, the ID-COOLING IS-55 is especially suitable for users looking to build quiet yet efficient compact PCs.

Overview of the Thermalright PS120SE CPU Air Cooler

The Thermalright PS120SE CPU Air Cooler is slightly cheaper at $35.90, offering a robust cooling solution with its seven heat pipes and dual 120mm PWM fans. This cooler stands at 154mm tall, making it less compact than the ID-COOLING IS-55 but still a viable option for mid-tower and larger cases. The PS120SE is designed to handle CPUs with a thermal design power (TDP) ranging from 105W to 280W, showcasing its higher performance capabilities.

With its AGHP upgraded 4th generation technology, the cooler promises a significant heat dissipation area due to its aluminum fins and copper base. The fans provide a maximum airflow of 66.17 CFM while maintaining a noise level of up to 25.6 dB(A). This makes the Thermalright PS120SE a powerful choice for users who prioritize both cooling efficiency and quieter operation.

Cooling Performance

In terms of cooling performance, the Thermalright PS120SE has an edge due to its seven heat pipes, compared to the five heat pipes found in the ID-COOLING IS-55. The ability to manage a TDP of up to 280W allows the Thermalright cooler to cater to more powerful CPUs, making it a better option for gamers or those engaged in intensive computing tasks.

Despite this, the ID-COOLING IS-55 still performs admirably for its size, with a maximum airflow of 54.6 CFM. However, users who plan to overclock their CPUs may find the Thermalright's superior thermal handling more suitable for their needs. Overall, while both coolers offer effective cooling, the Thermalright PS120SE is clearly designed for higher performance and heat management.

Noise Levels

When considering noise levels, the ID-COOLING IS-55 stands out for its ultra-quiet operation. With a maximum noise level of only 31.2 dB(A), it is designed to operate silently, making it an excellent choice for HTPC setups or environments where noise is a concern.

On the other hand, the Thermalright PS120SE, while also relatively quiet, has a maximum noise output of 25.6 dB(A) from its dual fans. This means that in terms of noise output, the Thermalright offers a quieter operation at maximum load, which may appeal to users who favor silence alongside performance. Both coolers are designed for quiet operation, but the Thermalright may be the better choice for those particularly sensitive to noise.

Size and Compatibility

The ID-COOLING IS-55 is significantly more compact, with a height of just 57mm, making it suitable for small form factor builds such as Mini-ITX setups. This low-profile design ensures that it does not obstruct RAM slots, allowing for a more flexible build without compromising memory options.

In contrast, the Thermalright PS120SE has a height of 154mm, which means it may not fit in smaller cases. However, it offers compatibility with a wider range of CPU configurations and mounting options. Users with mid-tower cases or larger will find it easier to accommodate this cooler without worrying about space constraints. Ultimately, the choice between these two coolers will depend on the specific build requirements and case size.

Installation Process

Both the ID-COOLING IS-55 and the Thermalright PS120SE feature straightforward installation processes, with mounting hardware included for various CPU sockets. The ID-COOLING cooler is designed for quick and easy setup, appealing to users who may be less experienced with PC building.

The Thermalright PS120SE also provides clear installation instructions and the necessary mounting plates for different CPU platforms. Given its larger size and more complex design, some users may find the installation of the Thermalright slightly more involved, but it is manageable with the right guidance. Overall, both coolers are designed to be user-friendly, but the ID-COOLING IS-55 may offer a more streamlined experience for beginners.

Price Comparison

The ID-COOLING IS-55 is priced at $39.99, while the Thermalright PS120SE is available for $35.90. This makes the Thermalright cooler about 17% cheaper than the ID-COOLING option. For budget-conscious consumers, the Thermalright may provide better value while still delivering high performance. However, the price difference is relatively small, and the choice may ultimately come down to the specific features and performance needs of the user.

Which should you buy?

Choosing between the ID-COOLING IS-55 and the Thermalright PS120SE largely depends on your specific requirements. If you need a compact cooler for a small form factor build with excellent noise levels, the ID-COOLING IS-55 is a strong candidate. However, if you are looking for superior cooling performance, especially for high-performance CPUs, the Thermalright PS120SE stands out with its additional heat pipes and cooling capacity.

Ultimately, for users with space constraints or those seeking quiet operation, the IS-55 is preferable. Conversely, for users focusing on performance and compatibility with a broader range of builds, the PS120SE is the better option.