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The Thermalright Peerless Assassin 120 is a popular air cooler known for its impressive cooling performance and competitive price. However, one of the key considerations for many users, especially those who plan to use it during night hours, is its noise level. In this article, we will explore the noise characteristics of the Peerless Assassin 120 and determine whether it is quiet enough for night use.
Understanding Noise Levels in CPU Coolers
Before diving into the specifics of the Peerless Assassin 120, it is important to understand what constitutes a quiet noise level. Generally, noise levels are measured in decibels (dB). For comfortable night-time use, a noise level below 30 dB is considered ideal, as it is unlikely to disturb sleep. Cooler fans that operate above this threshold may produce noticeable noise, especially in a quiet environment.
Thermalright Peerless Assassin 120 Noise Performance
The Peerless Assassin 120 features a dual-tower design with six direct contact heat pipes and two 120mm fans. During testing, the cooler demonstrated excellent thermal performance, but how does it fare in terms of noise?
Fan Speed and Noise Levels
The cooler’s fans operate at a range of speeds from approximately 600 RPM to 2000 RPM. At lower speeds, the noise level is minimal, often below 20 dB, making it very quiet during idle or light workloads. As the fan speed increases for more demanding tasks, the noise can rise to around 35-40 dB, which may be noticeable but not overly disruptive.
Noise at Night: Is It Quiet Enough?
For night-time use, the key is to keep the fan speed low. Many users report that setting the fan to a maximum of 1000 RPM results in noise levels around 20-25 dB, which is comfortably quiet and unlikely to disturb sleep. Additionally, the cooler’s design minimizes vibrations, further reducing noise.
Factors Affecting Noise Levels
Several factors can influence the perceived noise level of the Peerless Assassin 120 during night use:
- Case acoustics: A well-insulated case can dampen noise.
- Fan curve settings: Custom fan profiles can optimize noise and cooling balance.
- Ambient noise: Background noise can mask the cooler’s sound.
- Installation quality: Proper mounting reduces vibrations and noise.
Conclusion
The Thermalright Peerless Assassin 120 can operate quietly enough for night use, especially when configured for lower fan speeds. Its noise levels at reduced speeds are well within the comfortable range for sleep, making it a suitable choice for users prioritizing quiet operation without sacrificing cooling performance. Proper setup and fan curve adjustments can further enhance its quietness during nighttime operation.