MONTECH NX600 Dual-Tower CPU Air Cooler with 6 vs Thermalrlght Peerless Assassin 120 SE CPU Air
Updated August 2026 — MONTECH NX600 Dual-Tower CPU Air Cooler with 6 leads on cooling performa and noise level.
The MONTECH NX600 offers better value and compatibility, making it the preferred choice for most users. The Thermalrlght Peerless Assassin 120 SE excels in performance but at a higher price.
Why MONTECH NX600 Dual-Tower CPU Air Cooler with 6 is better
Price
MONTECH NX600 is $4.94 cheaper
Compatibility
Easier installation with all major sockets
Design
Sleek and minimalistic appearance
Why Thermalrlght Peerless Assassin 120 SE CPU Air is better
Cooling Performance
AGHP technology enhances heat exchange
Build Quality
Anodized brushed black top cover
Fan Noise
Specified noise level of 25.6 dB(A)
Overall score
Specifications
| Spec | MONTECH NX600 Dual-Tower CPU Air Cooler with 6 | Thermalrlght Peerless Assassin 120 SE CPU Air |
|---|---|---|
| Cooling Type | Air | Air |
| Socket Support | All major | Intel/AMD |
| Fan Speed | PWM | 1550 RPM |
| Noise Level | Quiet | 25.6 dB(A) |
| Material | Copper/Aluminum | Copper/Aluminum |
Dimension comparison
Introduction to the MONTECH NX600 and Thermalrlght Peerless Assassin 120 SE
When it comes to CPU air coolers, the MONTECH NX600 and Thermalrlght Peerless Assassin 120 SE both stand out as strong contenders in the market. The MONTECH NX600 is priced at $27.96, while the Thermalrlght Peerless Assassin 120 SE comes in at $32.90, making the former about 17% cheaper. This article will delve into various aspects of both coolers, from design and performance to compatibility and aesthetics.
Design and Build Quality
The MONTECH NX600 features a dual-tower design with a sleek top cover that conceals its heat pipe ends and fin stacks, offering a clean and unified look. It utilizes a soldered copper base for efficient heat dissipation, which is complemented by two finely tuned performance fans. In contrast, the Thermalrlght Peerless Assassin 120 SE also boasts a dual-tower configuration but features an anodized brushed black top cover for a more industrial look. Both coolers employ a similar heat pipe technology, with six heat pipes in each model, ensuring effective thermal management.
Cooling Performance
Cooling performance is critical for any CPU cooler, and both the MONTECH NX600 and Thermalrlght Peerless Assassin 120 SE excel in this area. The MONTECH NX600 claims maximum cooling efficiency through its two performance fans that optimize airflow while operating quietly. The Thermalrlght Peerless Assassin 120 SE, on the other hand, highlights its AGHP technology, which enhances heat exchange and minimizes the gravity effect in both vertical and horizontal orientations. Both coolers are engineered for high-performance situations, but the NX600's dual performance fans make it particularly attractive for gamers and creators.
Noise Levels
Noise levels are an essential consideration for users seeking silent operation. The MONTECH NX600 features E28 PWM fans that are designed for whisper-quiet performance. While specific decibel levels are not provided, the description emphasizes quiet operation, making it suitable for noise-sensitive environments. The Thermalrlght Peerless Assassin 120 SE specifies a maximum noise level of 25.6 dB(A) at full speed, which is relatively quiet for a high-performance cooler. Overall, both models prioritize noise reduction, but the MONTECH NX600 may have a slight edge in stealth cooling.
Compatibility
Compatibility is a critical factor when choosing a CPU cooler. The MONTECH NX600 supports all major Intel and AMD sockets, including LGA115X, 1200, 1700, and AM4/AM5, making it a versatile option for most builds. The Thermalrlght Peerless Assassin 120 SE also covers a broad range of sockets, including various Intel models and AMD AM4/AM5, although it requires users to utilize the original motherboard's backplate for AM4 and AM5 installations. Both coolers offer substantial compatibility, but the MONTECH NX600's straightforward installation process may appeal to those looking for hassle-free upgrades.
Aesthetics
Aesthetics play an important role in any build, and both coolers have distinct looks. The MONTECH NX600 showcases a sleek white finish that can complement high-end setups, particularly for users who prefer a clean, minimalist appearance. Conversely, the Thermalrlght Peerless Assassin 120 SE has a darker, more industrial design with its black top cover and brushed aluminum finish. Personal preference will ultimately dictate which design suits your build better, but both coolers offer appealing aesthetics that can enhance an overall setup.
Price Comparison
Price is a significant factor for many consumers. The MONTECH NX600 is priced at $27.96, making it a budget-friendly option for those seeking performance without breaking the bank. In contrast, the Thermalrlght Peerless Assassin 120 SE is retailing for $32.90, which is approximately $4.94 more expensive. While the price difference may seem minimal, it could be a deciding factor for users with budget constraints. Both coolers provide excellent value for their respective prices, but the NX600 stands out as the more cost-effective choice.
User Experience and Installation
The installation process can greatly affect user experience. The MONTECH NX600 is designed for effortless compatibility with major sockets, ensuring a smooth installation process. Its design minimizes thermal resistance, which can contribute to a more stable CPU performance. The Thermalrlght Peerless Assassin 120 SE, while also designed for compatibility, requires the original motherboard's backplate for certain installations, which may complicate the process for some users. For those who prioritize ease of installation, the MONTECH NX600 may prove to be the more user-friendly option.
Which should you buy?
In conclusion, both the MONTECH NX600 and Thermalrlght Peerless Assassin 120 SE have their strengths and weaknesses. The MONTECH NX600 offers superior compatibility, a more minimalistic design, and a lower price point, making it an excellent choice for budget-conscious users seeking effective cooling. Meanwhile, the Thermalrlght Peerless Assassin 120 SE provides robust performance with a slightly more complex installation process. Ultimately, your choice will depend on your specific needs, preferences, and budget, but for most users, the MONTECH NX600 is likely the better overall option.

