ID-COOLING FX240 PRO Liquid CPU Cooler for Desktop - vs Thermalright Peerless Assassin 120 Digital ARGB
Updated August 2026 — ID-COOLING FX240 PRO Liquid CPU Cooler for Desktop - leads on build quality and cooling performa.
The ID-COOLING FX240 PRO offers superior cooling performance, while the Thermalright Peerless Assassin provides great value at a lower price.
Why ID-COOLING FX240 PRO Liquid CPU Cooler for Desktop - is better
Cooling Performance
Higher TDP of 300W vs 185W
Pump Speed
2900 RPM vs 1850 RPM
Airflow
82.5 CFM vs 88.89 CFM
Why Thermalright Peerless Assassin 120 Digital ARGB is better
Price
$45.90 vs $54.99
Noise Level
Quieter at ≤25.6 dB(A)
Design Features
Digital screen top cover
Overall score
Specifications
| Spec | ID-COOLING FX240 PRO Liquid CPU Cooler for Desktop - | Thermalright Peerless Assassin 120 Digital ARGB |
|---|---|---|
| Pump Speed | 2900 RPM | 1850 RPM |
| Max Airflow | 82.5 CFM | 88.89 CFM |
| Max Pressure | 2.55 mmH2O | 2.21 mmH2O |
| Noise Level | N/A | ≤25.6 dB(A) |
| Compatibility | Intel & AMD | Intel & AMD |
Dimension comparison
Overview of the ID-COOLING FX240 PRO Liquid CPU Cooler
The ID-COOLING FX240 PRO Liquid CPU Cooler offers a premium solution for gamers and high-performance computing enthusiasts. Priced at $54.99, it features a powerful pump that operates at 2900 RPM, ensuring effective heat dissipation for CPUs with a thermal design power (TDP) of up to 300W. With two 120mm high-efficient fans, this cooler promises a maximum airflow of 82.5 CFM and a static pressure of 2.55 mmH2O, making it suitable for demanding tasks.
The cooler's aesthetic appeal is enhanced by an all-black design and a special CD pattern on the water block, allowing it to fit seamlessly into a variety of PC builds. Moreover, it supports a wide range of Intel and AMD sockets, including the latest models. This versatility and performance make the ID-COOLING FX240 PRO a compelling choice for those looking to upgrade their cooling solution.
Overview of the Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler
The Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler comes at a lower price point of $45.90, making it about 17% cheaper than the ID-COOLING FX240 PRO. It includes innovative features such as a digital screen top cover and six heat pipes for efficient heat dissipation. The fans operate at a speed of 1850 RPM and deliver an impressive airflow of 88.89 CFM while maintaining low noise levels of 25.6 dB(A).
This cooler's dual tower design, combined with its magnetic top cover, not only enhances its cooling performance but also adds a modern aesthetic to any build. It is compatible with a broad range of Intel and AMD platforms, ensuring it meets the needs of various users. The Thermalright Peerless Assassin is a strong contender for those seeking effective cooling without breaking the bank.
Cooling Performance
When it comes to cooling performance, the ID-COOLING FX240 PRO boasts a TDP of 300W, making it capable of handling even the most demanding processors. Its pump speed of 2900 RPM provides efficient heat dissipation, while the two 120mm fans contribute to its cooling prowess. On the other hand, the Thermalright Peerless Assassin's 1850 RPM fans and six heat pipes also deliver strong performance, but with a slightly lower maximum airflow of 88.89 CFM.
While both coolers offer effective cooling solutions, the ID-COOLING FX240 PRO may edge out in extreme scenarios due to its higher TDP and pump speed. For users with high-performance CPUs, this could make a significant difference in maintaining optimal temperatures during intense gaming or computing sessions.
Noise Levels
Noise levels are crucial for many users when selecting a CPU cooler. The ID-COOLING FX240 PRO operates with a maximum pressure of 2.55 mmH2O, but specific noise levels are not detailed in the provided information. Conversely, the Thermalright Peerless Assassin maintains a commendable noise level of ≤25.6 dB(A), making it a quieter option for those who prioritize a low-noise environment.
In scenarios where silence is golden, the Thermalright Peerless Assassin may be the preferable choice. Its quieter operation, combined with its competitive cooling performance, offers a balanced solution for users who want effective cooling without the added noise.
Aesthetics and Design
Aesthetically, both coolers present unique designs that cater to different tastes. The ID-COOLING FX240 PRO features an all-black layout with a CD pattern on the water block, appealing to users who appreciate a sleek and modern look. Its design allows for a seamless integration into dark-themed builds, enhancing the overall aesthetic.
In contrast, the Thermalright Peerless Assassin incorporates a digital screen on its magnetic top cover, offering a contemporary touch. This cooler also emphasizes functionality with its dual tower and dual fan design, creating a visually striking profile. Ultimately, the choice between them may come down to personal preference regarding design and visual appeal.
Installation Process
Ease of installation can be a deciding factor for many users. The ID-COOLING FX240 PRO features simple cable management through its daisy chain connector, which simplifies the setup process and reduces clutter. It is compatible with a wide variety of Intel and AMD sockets, making it a versatile option for different builds.
The Thermalright Peerless Assassin also emphasizes compatibility, supporting various Intel and AMD platforms. Its installation process is designed to be straightforward, with dual-platform mounting clips included. Both coolers are user-friendly, but the slight edge in cable management may favor the ID-COOLING FX240 PRO for users who value a tidy setup.
Price Comparison
The pricing of these coolers plays a significant role in the decision-making process. The ID-COOLING FX240 PRO is priced at $54.99, while the Thermalright Peerless Assassin is available for $45.90, making it about 17% cheaper. This price difference may appeal to budget-conscious consumers who still seek quality performance.
While the ID-COOLING FX240 PRO offers higher performance specifications, the Thermalright Peerless Assassin provides an excellent balance of price and performance. For users who do not require the absolute highest performance levels, the lower price point of the Thermalright cooler presents a compelling value proposition.
Which should you buy?
In deciding between the ID-COOLING FX240 PRO Liquid CPU Cooler and the Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler, it ultimately comes down to your specific needs and preferences. If you seek maximum cooling performance and are willing to spend a bit more, the ID-COOLING FX240 PRO is an excellent choice, particularly for high-end CPUs. On the other hand, if budget is a priority and you desire good performance with quieter operation, the Thermalright Peerless Assassin stands out as a great value option.
Both coolers offer solid compatibility with various Intel and AMD sockets, ensuring versatility for most builds. Ultimately, both products excel in their respective areas, catering to different user preferences and requirements.

