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ID-COOLING SE-214-XT Black CPU Cooler All-Black vs Thermalright Assassin X 120R SE V2 CPU Cooler, 4×

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 offers superior airflow and quieter operation, making it the better choice for performance-focused users.

Why ID-COOLING SE-214-XT Black CPU Cooler All-Black is better

Airflow

ID-COOLING has a maximum airflow of 76.16 CFM.

Noise Level

ID-COOLING operates at a quieter minimum noise level of 15.2 dB(A).

Design

ID-COOLING features an all-black layout that blends well with dark setups.

Why Thermalright Assassin X 120R SE V2 CPU Cooler, 4× is better

Price

Thermalright is priced at $16.59, making it 7% cheaper.

RGB Lighting

Thermalright includes RGB lighting for aesthetic appeal.

Height

Thermalright is slightly shorter at 148mm, fitting more cases.

Overall score

ID-COOLING SE-214-XT Black CPU Cooler All-Black
85
Thermalright Assassin X 120R SE V2 CPU Cooler, 4×
78

Specifications

SpecID-COOLING SE-214-XT Black CPU Cooler All-BlackThermalright Assassin X 120R SE V2 CPU Cooler, 4×
Heat Pipes4 Direct Contact4 Heat Pipes
Fan Size120mm120mm
Socket SupportIntel LGA1700/1851/1200/115X, AMD AM4/AM5Intel 1700/1150/1151/1200/1851, AMD AM4/AM5
Fan SpeedPWM Fan1550 RPM
InstallationHassle-freeEasy Installation

Dimension comparison

ID-COOLING SE-214-XT Black CPU Cooler All-BlackThermalright Assassin X 120R SE V2 CPU Cooler, 4×

Overview

The ID-COOLING SE-214-XT Black CPU Cooler and the Thermalright Assassin X 120R SE V2 CPU Cooler are two strong contenders in the CPU cooler market. Priced at $17.90 and $16.59 respectively, the Thermalright model is about 7% cheaper than the ID-COOLING option. Both coolers are designed for efficient thermal management, but they cater to different user preferences and setup requirements.

Design and Aesthetics

The ID-COOLING SE-214-XT features an all-black layout that allows it to blend seamlessly into various computer cases, particularly those with dark interiors. It stands at a height of 150mm, which provides compatibility with a wide range of chassis. In contrast, the Thermalright Assassin X 120R SE V2 has a slightly shorter height of 148mm, making it also suitable for medium-sized cases. Its design includes RGB lighting, which may appeal to users looking to add a visual flair to their setups.

Cooling Performance

In terms of cooling efficiency, the ID-COOLING SE-214-XT utilizes four direct-contact heat pipes and a 120mm PWM fan that can achieve a maximum airflow of 76.16 CFM. Its noise level ranges from 15.2 to 35.2 dB(A), ensuring quiet operation without compromising performance. The Thermalright Assassin X 120R SE V2 features a pure copper base and four heat pipes as well, but its maximum airflow is slightly lower at 66.17 CFM, with a noise level that caps at 25.6 dB(A). While both coolers offer effective cooling, the ID-COOLING model edges out with higher airflow capabilities.

Installation Process

Both coolers promise hassle-free installation, but their approaches differ. The ID-COOLING SE-214-XT is designed to be compatible with a wide range of Intel and AMD sockets, including Intel LGA1700, 1851, 1200, and AMD AM4/AM5. The installation process is straightforward, catering to users of varying experience levels. The Thermalright Assassin X 120R SE V2 also supports multiple Intel and AMD sockets and comes with the necessary mounting plates and fasteners. This user-friendly design allows it to be installed easily, following the provided instructions or video guides.

RAM Compatibility

The ID-COOLING SE-214-XT explicitly mentions noninterference with memory mounting and PCIe slots. This feature can be particularly beneficial for users with high-profile RAM modules. On the other hand, the Thermalright Assassin X 120R SE V2 does not specify any RAM compatibility features but is designed to avoid blocking RAM installation in general. However, users may want to verify their specific RAM height to ensure optimal fitment.

Noise Levels

Noise levels are a critical factor for many users when selecting a CPU cooler. The ID-COOLING SE-214-XT operates at a minimum noise level of 15.2 dB(A), making it one of the quieter options on the market. Its PWM fan adjusts automatically to maintain low noise while delivering effective cooling. The Thermalright Assassin X 120R SE V2, while still quiet at a maximum of 25.6 dB(A), is noticeably louder than the ID-COOLING model at peak performance. This difference may sway users who prioritize a silent working environment.

Price Comparison

Currently, the ID-COOLING SE-214-XT is priced at $17.90, while the Thermalright Assassin X 120R SE V2 is available for $16.59. This makes the Thermalright option about 7% cheaper, which could be a deciding factor for budget-conscious consumers. However, the additional features and slight performance edge of the ID-COOLING may justify its higher price for some users.

Which should you buy?

Choosing between the ID-COOLING SE-214-XT Black CPU Cooler and the Thermalright Assassin X 120R SE V2 ultimately depends on your specific needs and preferences. If you prefer a cooler with superior airflow, quieter operation, and an aesthetic design that blends into darker setups, the ID-COOLING might be the right choice for you. However, if you're looking for a slightly cheaper option with solid performance and RGB lighting appeal, the Thermalright could be your go-to. Both coolers have their merits, making them strong competitors in the CPU cooler market.