ARCTIC Liquid Freezer III Pro 240 A-RGB - vs ID-COOLING IS-55 Black CPU Cooler Low Profile
Updated August 2026 — ARCTIC Liquid Freezer III Pro 240 A-RGB - wins on aesthetics and cooling performa, ID-COOLING IS-55 Black CPU Cooler Low Profile wins on ease of install.
The ARCTIC Liquid Freezer III Pro offers superior cooling performance and features, making it the better choice for high-end builds, while the ID-COOLING IS-55 is a budget-friendly option for compact systems.
Why ARCTIC Liquid Freezer III Pro 240 A-RGB - is better
Cooling Performance
ARCTIC has a 240 mm AIO design for better cooling.
Integrated VRM Fan
ARCTIC includes a fan for voltage converter cooling.
Aesthetic Appeal
ARCTIC features A-RGB lighting for enhanced visuals.
Why ID-COOLING IS-55 Black CPU Cooler Low Profile is better
Price
ID-COOLING is approximately 50% cheaper.
Size
ID-COOLING's low-profile design is ideal for compact builds.
Ease of Installation
ID-COOLING is easier to install for beginners.
Overall score
Specifications
| Spec | ARCTIC Liquid Freezer III Pro 240 A-RGB - | ID-COOLING IS-55 Black CPU Cooler Low Profile |
|---|---|---|
| Cooling Type | AIO Liquid | Air |
| Socket Compatibility | AM5/AM4, LGA1851/1700 | AM4/AM5, LGA1851/1700/115X/1200 |
| Noise Level | Low | 13.8-31.2 dB(A) |
| Fan Control | PWM | PWM |
| Heat Pipes | N/A | 5 |
Dimension comparison
Overview of the Products
When comparing the ARCTIC Liquid Freezer III Pro 240 A-RGB and the ID-COOLING IS-55 Black CPU Cooler, we find two distinct approaches to CPU cooling. The ARCTIC model is a 240 mm AIO water cooler, while the ID-COOLING is a low-profile air cooler. This fundamental difference shapes their performance, installation, and suitability for various builds.
The ARCTIC Liquid Freezer III Pro is priced at $80.00, while the ID-COOLING IS-55 comes in at a more budget-friendly $39.99. This price disparity of about 50% could significantly influence the decision, particularly for those on a tighter budget.
Cooling Performance
In terms of cooling efficiency, the ARCTIC Liquid Freezer III Pro is designed for high performance. It features a 38 mm radiator and an integrated VRM fan that helps keep voltage converters cool, ensuring reliable performance under load. The native offset mounting and optimized contact pressure also enhance heat dissipation, making it an excellent choice for high-end CPUs.
On the other hand, the ID-COOLING IS-55 utilizes five heat pipes and a 120 mm PWM fan to provide effective heat transfer. While it is not as powerful as the ARCTIC cooler, its design still allows for a maximum airflow of 54.6 CFM and a noise level ranging from 13.8 to 31.2 dB(A). This means that while the ARCTIC is superior in cooling performance, the IS-55 is adequate for mid-range systems.
Size and Compatibility
The ARCTIC Liquid Freezer III Pro is larger and may require more space within your PC case due to its 240 mm radiator. It is compatible with a variety of sockets including AMD AM5/AM4 and Intel LGA1851/1700, making it versatile for many setups.
In contrast, the ID-COOLING IS-55 stands out with its low-profile design, measuring only 57 mm in height. This compact size makes it ideal for small form factor builds or low-profile setups, ensuring RAM compatibility even in Mini-ITX motherboards. Thus, if space is a concern, the ID-COOLING model provides a significant advantage.
Noise Levels
When it comes to noise production, the ARCTIC Liquid Freezer III Pro is designed to operate quietly, especially at lower speeds. The P12 Pro fan is engineered for superior performance with reduced noise, although specific dB levels are not provided.
In comparison, the ID-COOLING IS-55 features a PWM fan that operates between 13.8 and 31.2 dB(A). This range indicates that while it can be very quiet during low loads, it may become noisier under higher loads. Therefore, if a silent operation is your priority, the ARCTIC might be the better choice overall.
Installation and Maintenance
The installation process can vary significantly between these two products. The ARCTIC Liquid Freezer III Pro, being an AIO cooler, generally requires more effort to install than a traditional air cooler. However, it features integrated cable management that helps reduce clutter, which can be beneficial for maintaining a clean build.
On the other hand, the ID-COOLING IS-55 is designed for straightforward installation, which is often a plus for beginners. Its compact design allows for easy placement without the need for extensive case modifications. If you prefer a hassle-free installation, the IS-55 has the advantage.
Aesthetic Appeal
Aesthetics can play a crucial role in choosing a cooler, especially for gamers and PC builders who want their setups to look appealing. The ARCTIC Liquid Freezer III Pro comes with A-RGB lighting, which can enhance the visual appeal of your build and is a popular feature among enthusiasts.
Conversely, the ID-COOLING IS-55 has a more understated design and lacks RGB lighting. While it may not attract as much attention, its sleek and simple appearance may appeal to those looking for a more minimalistic look. Therefore, personal preference regarding aesthetics will heavily influence the choice between these two models.
Price Comparison
The price difference between the two coolers is quite significant. The ARCTIC Liquid Freezer III Pro is priced at $80.00, while the ID-COOLING IS-55 is available for $39.99. This results in a price difference of about $40, making the IS-55 approximately 50% cheaper than the ARCTIC model. For budget-conscious consumers, this can be a deciding factor, especially for those who do not require the advanced features of a liquid cooler.
Which should you buy?
Deciding between the ARCTIC Liquid Freezer III Pro 240 A-RGB and the ID-COOLING IS-55 Black CPU Cooler ultimately depends on your specific needs and preferences. If you are looking for superior cooling performance and don’t mind spending extra money, the ARCTIC is an excellent choice. However, if you are working within a budget or need a low-profile solution for a compact build, the ID-COOLING IS-55 provides solid performance at a much lower cost. Consider your system requirements and personal preferences to make the best choice for your setup.

