Introduction
In the realm of high-performance computing, the heart of your system demands unwavering cooling. The Thermalright Peerless Assassin 120 SE CPU Cooler emerges as a formidable contender, promising to tame the fiery wrath of your overclocked processor with its arsenal of advanced technologies and relentless efficiency.
Product Details

The Thermalright Peerless Assassin 120 SE CPU Cooler is a behemoth of a cooler, towering at 164mm and boasting a formidable weight of 1150g. Its massive copper base and six heat pipes ensure exceptional heat dissipation, while the dual 120mm PWM fans deliver an unrelenting airflow of up to 1550RPM.
Features and Benefits
Unleash the Power of AGHP:
The Peerless Assassin 120 SE employs Thermalright’s patented AGHP (Asymmetric Grooved Heat Pipe) technology. These heat pipes feature an asymmetrical design that enhances capillary action, maximizing heat transfer efficiency.

Dual 120mm PWM Fans:
Two high-performance 120mm PWM fans work in tandem to generate an impressive airflow of up to 1550RPM. The PWM control allows for dynamic fan speed adjustment, ensuring optimal cooling performance while minimizing noise.
Massive Copper Base:
A large copper base provides ample surface area for heat dissipation, effectively drawing heat away from the CPU’s surface.
Durable and Secure:
The Peerless Assassin 120 SE is built to last with its robust construction and high-quality materials. Its secure mounting system ensures a firm grip on the CPU, preventing any unwanted movement.
Aesthetics and Design
The Peerless Assassin 120 SE exudes a sleek and understated elegance. Its black and silver color scheme complements any system aesthetic, while its compact design allows for easy installation in most cases.

Pros and Cons
Pros:
· Exceptional cooling performance
· AGHP technology for enhanced heat transfer
· Dual 120mm PWM fans for optimal airflow
· Durable and secure construction
· Sleek and understated design
Cons:

· May not fit in smaller cases
· Can be slightly noisy at high fan speeds
Comparison to Similar Products
Feature | Thermalright Peerless Assassin 120 SE | Noctua NH-D15 | Be Quiet! Dark Rock Pro 4 | Scythe Fuma 2 | Cooler Master Hyper 212 Evo V2 |
---|---|---|---|---|---|
Heat Pipes | 6 | 6 | 6 | 6 | 4 |
Fan Size | 120mm | 140mm | 120mm | 120mm | 120mm |
Fan Speed | 1550RPM | 1500RPM | 1500RPM | 1500RPM | 1800RPM |
Noise Level | 35.6 dBA | 24.6 dBA | 24.3 dBA | 26 dBA | 32 dBA |
Price | $79.99 | $99.95 | $89.90 | $69.99 | $49.99 |
As you can see from the table:
· The Thermalright Peerless Assassin 120 SE offers comparable cooling performance to the more expensive Noctua NH-D15 and Be Quiet! Dark Rock Pro 4.
· It has a higher fan speed than the Noctua NH-D15 and Be Quiet! Dark Rock Pro 4, but also produces slightly more noise.
· The Peerless Assassin 120 SE is a more affordable option than the Noctua NH-D15 and Be Quiet! Dark Rock Pro 4.
Representative Product Reviews
5-Star Review: “This cooler is a beast! It keeps my overclocked i9-12900K running cool and quiet even under heavy loads. The installation was a breeze, and the build quality is top-notch.”
4-Star Review: “The cooling performance is excellent, but the fans can get a bit noisy at high speeds. I would recommend using a custom fan curve to reduce the noise.”
3-Star Review: “The cooler is well-built and performs well, but it’s a bit too large for my case. I had to remove the side panel to install it.”
2-Star Review: “The cooler is not as effective as I expected. My CPU temperatures are still quite high even with the fans running at full speed.”
1-Star Review: “The cooler arrived damaged and was missing parts. The customer service was unhelpful and refused to provide a replacement.”
Conclusions
The Thermalright Peerless Assassin 120 SE CPU Cooler is a formidable choice for enthusiasts and overclockers seeking exceptional cooling performance. Its AGHP technology, dual 120mm PWM fans, and massive copper base work in harmony to tame the most demanding CPUs. While it may not be the most compact or quiet cooler on the market, its impressive cooling capabilities and affordable price make it an excellent value for money.
Buying Guide
When choosing a CPU cooler, consider the following factors:
· CPU Type: Ensure the cooler is compatible with your CPU socket.
· Cooling Capacity: Determine the cooling capacity required for your CPU based on its TDP (Thermal Design Power).
· Size and Clearance: Check the dimensions of the cooler to ensure it fits in your case and has sufficient clearance from other components.
· Noise Level: Consider the noise level of the cooler, especially if you value a quiet system.
· Installation: Choose a cooler with an easy and secure installation process.
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