MONTECH NX600 Dual-Tower CPU Air Cooler with 6 vs Thermalright Peerless Assassin 120 Black CPU Air
Updated August 2026 — MONTECH NX600 Dual-Tower CPU Air Cooler with 6 leads on performance and cooling.
The MONTECH NX600 offers a quieter operation and lower price, while the Thermalright Peerless Assassin 120 Black excels in cooling performance. Choose based on your priorities.
Why MONTECH NX600 Dual-Tower CPU Air Cooler with 6 is better
Price
NX600 is $27.96, cheaper than $38.90
Noise
NX600 designed for whisper-quiet operation
Design
NX600 has a sleek, minimalist aesthetic
Why Thermalright Peerless Assassin 120 Black CPU Air is better
Cooling
Peerless Assassin has a TDP of 245W
Build Quality
Peerless Assassin uses AGHP technology
Fan Performance
Peerless Assassin has higher airflow of 66.17 CFM
Overall score
Specifications
| Spec | MONTECH NX600 Dual-Tower CPU Air Cooler with 6 | Thermalright Peerless Assassin 120 Black CPU Air |
|---|---|---|
| Cooling Type | Air | Air |
| Socket Support | All major | All major |
| Fan RPM | PWM | 1500 |
| Noise Level | Quiet | ≤25.6 dB(A) |
| Material | Copper/Aluminum | Aluminum |
Dimension comparison
Design and Aesthetics
The MONTECH NX600 offers a sleek, clean design, while the Thermalright Peerless Assassin 120 Black boasts a more aggressive aesthetic. The NX600 features a premium top cover that conceals heat pipe ends and fin stacks, providing a unified look suitable for high-end builds. In contrast, the Peerless Assassin 120 Black sports a black-painted aluminum heatsink that highlights its robust twin-tower design. Both coolers prioritize aesthetics, but the NX600's minimalist approach may appeal more to users seeking a subtle touch in their setups.
Cooling Performance
Cooling performance is a critical factor, and here the MONTECH NX600 shines with its dual-tower configuration and six heat pipes. Its design allows for massive heat dissipation, making it suitable for gamers and creators who demand high performance. The dual performance fans ensure maximum airflow while maintaining whisper-quiet operation. On the other hand, the Thermalright Peerless Assassin 120 Black also features six heat pipes and a dual fan setup, boasting a TDP of 245W. Both coolers are engineered for excellent heat management, but the NX600's additional focus on silent operation may give it an edge for noise-sensitive environments.
Fan Technology
The MONTECH NX600 utilizes two E28 PWM performance fans, which are specifically tuned for airflow while operating quietly. The fans' design contributes to the cooler's overall efficiency, providing solid cooling without the distraction of noise. In comparison, the Thermalright Peerless Assassin 120 Black employs TL-C12B PWM fans that deliver a maximum airflow of 66.17 CFM while maintaining a noise level of just 25.6 dB(A). Both cooling solutions incorporate advanced fan technology, but the NX600’s fans are particularly noted for their stealth operation, which could be crucial for users in quiet settings.
Compatibility
Compatibility is another essential aspect when choosing a CPU cooler. The MONTECH NX600 is compatible with all major Intel and AMD sockets, including LGA115X, 1200, 1700, and AM4/AM5, making it a versatile choice for various systems. Similarly, the Thermalright Peerless Assassin 120 Black supports a wide range of sockets, including LGA1150 through LGA 2066 for Intel and AM4/AM5 for AMD. Both products are designed for easy installation across multiple platforms, ensuring users can upgrade their systems without hassle.
Price Point
When comparing price, the MONTECH NX600 is priced at $27.96, making it about 28% cheaper than the Thermalright Peerless Assassin 120 Black, which retails for $38.90. This significant price difference may make the NX600 a more attractive option for budget-conscious consumers seeking high performance without breaking the bank. However, some users might be willing to pay a premium for the additional features and cooling capacity offered by the Peerless Assassin.
Build Quality
The MONTECH NX600 is built with a soldered copper base for superior heat transfer and stability, enhancing its overall durability. The use of quality materials ensures efficient heat conduction across its dual-tower structure. Conversely, the Thermalright Peerless Assassin 120 Black features a robust aluminum heatsink cover and employs advanced AGHP technology to combat inverse gravity effects, which can enhance thermal performance. Both coolers reflect a commitment to quality, but users seeking a stealthy cooling solution might prefer the NX600's design.
User Experience
User experience can be pivotal in the decision-making process. The MONTECH NX600 is designed with effortless installation in mind, making it an excellent choice for those who may not be as experienced with PC building. Its comprehensive compatibility and straightforward installation process simplify upgrades. On the other hand, while the Thermalright Peerless Assassin 120 Black also offers solid installation support, its more complex design may require a bit more know-how. Ultimately, the NX600's user-friendly focus might appeal more to novice builders.
Which should you buy?
Choosing between the MONTECH NX600 and the Thermalright Peerless Assassin 120 Black depends on your specific needs and preferences. If you prioritize a quieter operation, aesthetic appeal, and a lower price point, the MONTECH NX600 is the way to go. However, if you seek maximum cooling performance and are willing to invest a bit more, the Thermalright Peerless Assassin 120 Black offers impressive features that may justify the extra cost. Ultimately, both coolers provide excellent performance, but your choice will hinge on whether you value price, design, or cooling capacity more.

