ID-COOLING SE-214-XT Black CPU Cooler All-Black vs Thermalrlght Peerless Assassin 120 SE CPU Air
Updated August 2026 — ID-COOLING SE-214-XT Black CPU Cooler All-Black leads on cooling performa and noise level.
The ID-COOLING SE-214-XT Black offers better value and quieter operation, while the Thermalrlght Peerless Assassin 120 SE provides enhanced cooling performance. Choose based on budget and cooling needs.
Why ID-COOLING SE-214-XT Black CPU Cooler All-Black is better
Price
ID-COOLING is $15 cheaper
Noise Level
ID-COOLING operates as low as 15.2 dB(A)
Height
ID-COOLING is 150mm tall, fitting more cases
Why Thermalrlght Peerless Assassin 120 SE CPU Air is better
Cooling Performance
Thermalrlght has dual fans for better cooling
Heat Pipes
Thermalrlght has 6 heat pipes
Build Quality
Thermalrlght features a brushed aluminum finish
Overall score
Specifications
| Spec | ID-COOLING SE-214-XT Black CPU Cooler All-Black | Thermalrlght Peerless Assassin 120 SE CPU Air |
|---|---|---|
| Max Airflow | 76.16 CFM | 66.17 CFM |
| Noise Level | 15.2-35.2 dB(A) | ≤25.6 dB(A) |
| TDP | 180W | unknown |
| Socket Support | Intel LGA1700/AM5 | Intel LGA1700/AM5 |
| Installation | Hassle-free | Requires backplate |
Dimension comparison
Overview of CPU Coolers
In the realm of CPU coolers, the ID-COOLING SE-214-XT Black and the Thermalrlght Peerless Assassin 120 SE stand out as two solid options. The ID-COOLING unit is priced at $17.90, while the Thermalrlght model costs $32.90, making it approximately 83% more expensive than its competitor. Each cooler is designed to efficiently dissipate heat and maintain optimal CPU performance, but they cater to slightly different preferences in terms of design, cooling efficiency, and installation.
Cooling Performance
The ID-COOLING SE-214-XT Black features 4 direct-contact heat pipes and a 120mm PWM fan, offering effective heat dissipation with a maximum airflow of 76.16 CFM. The fan operates at a noise level ranging from 15.2 to 35.2 dB(A), ensuring a quiet user experience. In contrast, the Thermalrlght Peerless Assassin 120 SE comes equipped with 6 heat pipes and dual 120mm TL-C12C PWM fans, boasting a maximum airflow of 66.17 CFM and a rated noise level of up to 25.6 dB(A). While the ID-COOLING cooler provides better airflow, the Thermalrlght unit's dual fans may offer more consistent cooling under heavy loads.
Design and Aesthetics
Aesthetically, the ID-COOLING SE-214-XT Black features an all-black layout that is designed to seamlessly blend into darker-themed setups. It has dimensions that allow for easy integration into various chassis models, measuring 150mm in height. The Thermalrlght Peerless Assassin 120 SE, with its aluminum heatsink cover and brushed black finish, also presents a sleek appearance but has a larger footprint at 155mm in height. The design of the Thermalrlght cooler allows for better compatibility with larger graphics cards and motherboards, thanks to its offset asymmetric layout.
Installation Ease
When it comes to installation, the ID-COOLING SE-214-XT Black is noted for its hassle-free setup on both Intel and AMD sockets, supporting popular models including Intel LGA1700 and AMD AM5. The Thermalrlght Peerless Assassin 120 SE also provides an easy installation experience but requires users to use their motherboard's built-in backplate for AMD installations, which may complicate the process slightly for some users. Overall, both coolers are designed for straightforward installation, but the ID-COOLING option may have a slight edge in user-friendliness.
RAM and PCIe Slot Compatibility
The ID-COOLING SE-214-XT Black is designed to avoid interference with memory modules and PCIe slots, making it a good choice for users with multiple RAM sticks or larger GPUs. Its design prioritizes compatibility, ensuring that users do not face clearance issues. On the other hand, the Thermalrlght Peerless Assassin 120 SE features a cutout on its fin for enhanced RAM module fitting, which aids in maintaining compatibility with larger memory configurations. Both coolers address RAM compatibility effectively, but the ID-COOLING model is a safer bet for tight spaces.
Price Comparison
At $17.90, the ID-COOLING SE-214-XT Black is clearly the more budget-friendly option compared to the Thermalrlght Peerless Assassin 120 SE, which is priced at $32.90. This represents a price difference of about $15, or approximately 83% more for the Thermalrlght cooler. For users on a tighter budget or those who may not require the enhanced features of the more expensive model, the ID-COOLING cooler provides excellent value. However, those willing to invest more may find the additional cooling capacity and design features of the Thermalrlght unit worth the extra cost.
User Experience and Noise Levels
User experience can be significantly affected by noise levels, and both coolers have been designed with this in mind. The ID-COOLING SE-214-XT Black operates at a noise level that can go as low as 15.2 dB(A), making it a very quiet option for users looking to minimize sound. The Thermalrlght Peerless Assassin 120 SE, while still relatively quiet, has a maximum noise level of 25.6 dB(A), which could be more noticeable in a quiet environment. Therefore, users who prioritize silence may lean towards the ID-COOLING cooler.
Which should you buy?
Choosing between the ID-COOLING SE-214-XT Black and the Thermalrlght Peerless Assassin 120 SE ultimately hinges on your specific needs and budget. If you are looking for an affordable, efficient, and quieter CPU cooler, the ID-COOLING model is an excellent choice at $17.90. However, if you are willing to spend more for potentially better cooling performance and a more robust design, the Thermalrlght Peerless Assassin 120 SE at $32.90 could be worth the investment. Each cooler has its strengths, making them suitable for different types of users.

