be Quiet! Dark Rock Pro 5 Quiet Cooling CPU Cooler vs Thermalright Peerless Assassin 120 SE V2 CPU Cooler
Updated August 2026 — The be Quiet! Dark Rock Pro 5 offers superior performance and quieter operation, making it the better choice for enthusiasts. However, the Thermalright Peerless Assassin 120 SE V2 provides excellent value for budget-conscious users.
The be Quiet! Dark Rock Pro 5 offers superior performance and quieter operation, making it the better choice for enthusiasts. However, the Thermalright Peerless Assassin 120 SE V2 provides excellent value for budget-conscious users.
Why be Quiet! Dark Rock Pro 5 Quiet Cooling CPU Cooler is better
Cooling Performance
Dark Rock Pro 5 can handle overclocked systems better.
Noise Levels
Dark Rock Pro 5 operates quieter under load.
Build Quality
Dark Rock Pro 5 has a premium design and materials.
Why Thermalright Peerless Assassin 120 SE V2 CPU Cooler is better
Price
Peerless Assassin 120 SE V2 is significantly cheaper.
Installation
Peerless Assassin 120 SE V2 has straightforward installation.
TDP Rating
Peerless Assassin 120 SE V2 supports higher TDP.
Overall score
Specifications
| Spec | be Quiet! Dark Rock Pro 5 Quiet Cooling CPU Cooler | Thermalright Peerless Assassin 120 SE V2 CPU Cooler |
|---|---|---|
| Max RPM | 2000 | 1850 |
| Noise Level | ≤25 dB(A) | ≤29.5 dB(A) |
| TDP | up to 250W | up to 265W |
| Socket Support | Intel/AMD | Intel/AMD |
| Material | Copper/Aluminum | Copper/Aluminum |
Dimension comparison
Overview of the Coolers
When it comes to CPU coolers, the be Quiet! Dark Rock Pro 5 and the Thermalright Peerless Assassin 120 SE V2 cater to different segments of the market. The Dark Rock Pro 5 is priced at C$169.99, while the Peerless Assassin 120 SE V2 is much more budget-friendly at C$54.90. Both coolers are designed to enhance CPU performance but employ different technologies and designs to achieve their cooling efficiencies.
Design and Build Quality
The be Quiet! Dark Rock Pro 5 stands out for its sleek, sophisticated design, featuring a special black coating with ceramic particles that not only enhance aesthetics but also improve heat dissipation. It employs seven high-performance copper heat pipes, ensuring efficient thermal management even under peak loads. In contrast, the Thermalright Peerless Assassin 120 SE V2 utilises an aluminum fin structure on a copper base and is equipped with six copper heat pipes. While it also aims for effective cooling, the overall build quality may not match the premium feel of the Dark Rock Pro 5.
Cooling Performance
In terms of cooling performance, the Dark Rock Pro 5 is designed for high-end applications and can handle overclocked systems due to its advanced cooling technology. It features two Silent Wings PWM fans capable of spinning at a maximum speed of 2000 RPM in Performance Mode, generating significant airflow under heavy loads. The Thermalright Peerless Assassin 120 SE V2, while efficient, operates its dual thickened PWM fans at a maximum speed of 1850 RPM. With a TDP rating of up to 265 watts, it performs admirably but may not reach the same cooling potential as the Dark Rock Pro 5.
Noise Levels
The be Quiet! Dark Rock Pro 5 excels in noise management, designed specifically for quiet operation. Its Silent Wings fans are engineered to minimize turbulence, and in Quiet Mode, they operate at a maximum of 1500 RPM, ensuring a whisper-quiet experience. The Thermalright Peerless Assassin 120 SE V2 has a noise level rated at ≤29.5 dB(A), which is fairly quiet, but it may not be as silent as the Dark Rock Pro 5, especially when operating at higher speeds.
Installation Process
Both coolers are designed for ease of installation, but the Dark Rock Pro 5 features a more sophisticated mounting system. It includes a detachable mesh top cover that simplifies installation, allowing users to insert the middle fan from above. The black mounting kit is tailored to match the cooler's design. On the other hand, the Thermalright Peerless Assassin 120 SE V2 also provides a user-friendly installation process with metal fasteners for both Intel and AMD platforms, but it may not offer the same level of elegance as the Dark Rock Pro 5.
Compatibility
Compatibility is a key factor for any CPU cooler. The Dark Rock Pro 5 supports a wide range of sockets, including Intel and AMD platforms, and is compatible with liquid metal thermal greases, which can enhance thermal conductivity. The Thermalright Peerless Assassin 120 SE V2 also supports various Intel sockets (including LGA 1851, 1700, 1200, and 115X) along with AMD AM4 and AM5. While both coolers cater to modern CPU platforms, the Dark Rock Pro 5's compatibility with liquid metal compounds adds a significant advantage for users seeking maximum thermal performance.
Price Point
Price is a critical consideration when choosing a CPU cooler. The Dark Rock Pro 5 is priced at C$169.99, reflecting its high-end features and performance capabilities. In contrast, the Thermalright Peerless Assassin 120 SE V2 is much more affordable at C$54.90, making it an attractive option for budget-conscious consumers. This price difference signifies the varying target audiences, with the Dark Rock Pro 5 aimed at enthusiasts and the Peerless Assassin 120 SE V2 designed for mainstream users seeking solid performance without breaking the bank.
Which should you buy?
The choice between the be Quiet! Dark Rock Pro 5 and the Thermalright Peerless Assassin 120 SE V2 largely depends on your budget and cooling needs. If you are looking for premium performance, quiet operation, and superior build quality, the Dark Rock Pro 5 is worth the investment at C$169.99. However, for users on a budget who still want decent cooling performance, the Thermalright Peerless Assassin 120 SE V2 at C$54.90 provides excellent value. Ultimately, your specific requirements and financial considerations will guide your decision in selecting either cooler.
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