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be quiet! Pure Rock 3 Black Air Cooler vs TR-Peerless Assassin 120 Digital ARGB White CPU Cooler Air with 6X6mm Heatpipes

Updated August 2026The TR-Peerless Assassin 120 offers superior cooling performance and aesthetics, making it the better choice for advanced users, while the be quiet! Pure Rock 3 Black is a solid budget option.

The TR-Peerless Assassin 120 offers superior cooling performance and aesthetics, making it the better choice for advanced users, while the be quiet! Pure Rock 3 Black is a solid budget option.

Why be quiet! Pure Rock 3 Black Air Cooler is better

lower price

Pure Rock 3 Black is £27.99

compact design

Slim profile increases RAM compatibility

ease of installation

Preinstalled mounting bridge simplifies setup

Why TR-Peerless Assassin 120 Digital ARGB White CPU Cooler Air with 6X6mm Heatpipes is better

better cooling

TR-Peerless has dual fans and 1850 RPM

advanced technology

AGHP heat pipe technology enhances performance

aesthetic appeal

Digital RGB lighting adds visual flair

Overall score

be quiet! Pure Rock 3 Black Air Cooler
75
TR-Peerless Assassin 120 Digital ARGB White CPU Cooler Air with 6X6mm Heatpipes
85

Specifications

Specbe quiet! Pure Rock 3 Black Air CoolerTR-Peerless Assassin 120 Digital ARGB White CPU Cooler Air with 6X6mm Heatpipes
Price£27.99£35.89
Fan Speed1500 RPM1850 RPM
Noise Level≤30 dB≤25.6 dB(A)
Heat Pipes4x6mm6x6mm
Air Volume70 CFM88.89 CFM

Dimension comparison

be quiet! Pure Rock 3 Black Air CoolerTR-Peerless Assassin 120 Digital ARGB White CPU Cooler Air with 6X6mm Heatpipes

Overview of the Coolers

When it comes to CPU coolers, the be quiet! Pure Rock 3 Black and the TR-Peerless Assassin 120 Digital ARGB White present two solid options for different user needs. The Pure Rock 3 Black is priced at £27.99 and is designed for consumer PCs with a cooling capacity of 190W TDP, making it ideal for gaming and multimedia systems. In contrast, the TR-Peerless Assassin 120 is slightly more expensive at £35.89 and features dual fans and advanced AGHP heat pipe technology, promising exceptional cooling performance.

Design and Aesthetics

The design differences between the be quiet! Pure Rock 3 Black and TR-Peerless Assassin 120 are notable. The Pure Rock 3 Black boasts a sleek black finish that enhances its compatibility with various PC builds, while the TR-Peerless Assassin 120 features a striking white aesthetic with digital RGB lighting. The overall height of the TR-Peerless is 162mm, which provides a dual-tower design, accommodating high-capacity memory. The Pure Rock 3 Black's slim profile, on the other hand, allows for greater RAM and VRM cooler compatibility, making it a practical choice for compact cases.

Cooling Performance

Cooling performance is a critical factor when selecting a CPU cooler. The be quiet! Pure Rock 3 Black offers a robust 190W TDP, making it suitable for a variety of consumer PC setups. Its four black 6mm heat pipes are designed to transport heat effectively to the cooling fins. Conversely, the TR-Peerless Assassin 120 features dual fans capable of reaching speeds of 1850 RPM and an impressive air volume of 88.89 CFM, which facilitates efficient heat dissipation. The 6X6mm heat pipes utilise advanced AGHP technology, which optimises performance across different CPU platforms.

Noise Levels

Noise levels can significantly impact the user experience, especially in a gaming or multimedia environment. The be quiet! Pure Rock 3 Black is known for its quiet operation, although specific noise levels are not detailed. However, its design aims for minimal noise output. The TR-Peerless Assassin 120, on the other hand, operates at a noise level of ≤25.6 dB(A), which is relatively quiet for a dual-fan setup. This makes it an excellent option for users who prioritise a silent computing experience while still requiring high-performance cooling.

Installation Process

The installation process can be a crucial factor for users, especially those who may not have extensive technical knowledge. The be quiet! Pure Rock 3 Black is designed for ease of installation, featuring a preinstalled mounting bridge and screws that simplify the attachment process. In contrast, the TR-Peerless Assassin 120 also provides a user-friendly installation experience, complete with dual-platform mounting clips for compatibility across various CPU sockets. Both coolers are designed to facilitate straightforward setup, catering to a range of user expertise levels.

Compatibility

Compatibility is vital when choosing a CPU cooler, and both options cater to a broad spectrum of platforms. The be quiet! Pure Rock 3 Black is compatible with various mainstream and entry-level computers, while the TR-Peerless Assassin 120 supports multiple platforms, including AMD’s AM4 and AM5 sockets, as well as Intel’s LGA series. This extensive compatibility makes the TR-Peerless Assassin 120 a versatile choice for users looking to upgrade their systems without worrying about fitting issues.

Value for Money

In terms of pricing, the be quiet! Pure Rock 3 Black is priced at £27.99, making it an attractive entry-level option for those on a budget. While it delivers solid performance, its features are tailored towards consumer PCs rather than high-end systems. On the other hand, the TR-Peerless Assassin 120, at £35.89, offers features such as dual-fan cooling and advanced heat pipe technology, justifying its higher price point for users who demand superior cooling performance. The choice ultimately depends on the user’s specific needs and willingness to invest in enhanced performance.

Which should you buy?

Choosing between the be quiet! Pure Rock 3 Black and the TR-Peerless Assassin 120 comes down to your specific cooling needs and budget. If you're looking for a more budget-friendly option that provides solid performance for general use and gaming, the Pure Rock 3 Black is an excellent choice. However, if you require advanced cooling capabilities with enhanced aesthetics and compatibility, the TR-Peerless Assassin 120 may be worth the extra investment. Ultimately, both coolers offer reliable performance, but your decision should align with your personal preferences and system requirements.

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be quiet! Pure Rock 3 Black Air Cooler vs TR-Peerless Assassin 120 Digital ARGB White CPU Cooler Air with 6X6mm Heatpipes | versusfinder