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be quiet! Pure Loop 3 280 mm Liquid Cooling System vs be Quiet! Pure Loop 2 FX 240mm

Updated August 2026The be quiet! Pure Loop 3 offers superior cooling performance and quieter operation, making it the better choice overall.

The be quiet! Pure Loop 3 offers superior cooling performance and quieter operation, making it the better choice overall.

Why be quiet! Pure Loop 3 280 mm Liquid Cooling System is better

Cooling Power

Larger 280mm radiator for better heat dissipation

Noise Levels

Lower maximum noise level at 36.8 dB(A)

Fan Technology

Higher performance fans with closed-loop motor feature

Why be Quiet! Pure Loop 2 FX 240mm is better

Price

More budget-friendly at C$118.12

Aesthetics

Includes vibrant ARGB illumination

Socket Compatibility

Explicit compatibility with multiple Intel and AMD sockets

Overall score

be quiet! Pure Loop 3 280 mm Liquid Cooling System
85
be Quiet! Pure Loop 2 FX 240mm
75

Specifications

Specbe quiet! Pure Loop 3 280 mm Liquid Cooling Systembe Quiet! Pure Loop 2 FX 240mm
Cooling PerformanceHighModerate
Installation EaseEasyEasy
Fan NoiseQuietQuiet
RGB LightingNoYes
Pump DesignPWMDecoupled

Dimension comparison

be quiet! Pure Loop 3 280 mm Liquid Cooling Systembe Quiet! Pure Loop 2 FX 240mm

Overview of the Cooling Systems

When comparing the be quiet! Pure Loop 3 280 mm Liquid Cooling System and the be quiet! Pure Loop 2 FX 240mm, it's evident that both products are designed to deliver exceptional cooling performance with distinct features. The Pure Loop 3 is priced at C$138.51, while the Pure Loop 2 FX comes in at a more budget-friendly C$118.12. The choice between these two will largely depend on your cooling needs and aesthetic preferences.

Cooling Performance

The be quiet! Pure Loop 3 boasts immense cooling power, making it suitable for even the most demanding applications. It excels at maintaining low temperatures during peak CPU performance. In contrast, the Pure Loop 2 FX features two Light Wings 120mm PWM high-speed fans that provide equally high air pressure, although it has a smaller radiator size of 240mm compared to the 280mm of the Pure Loop 3. The larger radiator area of the Pure Loop 3 may provide superior heat dissipation, making it more effective for high-performance setups.

Noise Levels

Noise levels are a crucial consideration when selecting a cooling system, and both products perform admirably in this regard. The Pure Loop 3 features a powerful PWM pump with a three-phase motor that ensures quiet operation, even at high speeds, with a maximum noise level of only 36.8 dB(A). Meanwhile, the Pure Loop 2 FX is equipped with a doubly decoupled PWM pump designed to minimise vibration and noise. While the exact noise level is not specified, the focus on quiet operation suggests it is similarly effective, though users may find the Pure Loop 3 to have a slight edge in this category.

Fan Technology

In terms of fan technology, the Pure Loop 3 utilises two Pure Wings 3 140mm PWM fans that not only deliver high air pressure but also maintain quiet operation. These fans incorporate a closed-loop motor feature, ensuring consistent speed regardless of resistance. On the other hand, the Pure Loop 2 FX includes two Light Wings 120mm PWM fans that are designed for high air pressure and come with vibrant ARGB illumination. If aesthetics and lighting effects are important to you, the Pure Loop 2 FX might be the more appealing option, while the Pure Loop 3 focuses strictly on performance.

Installation and Maintenance

Both cooling systems are designed with user-friendly installation in mind. The Pure Loop 3 features flexible tubes for easy installation and an accessible recharge port for straightforward maintenance. This design aspect is crucial for users who may need to refill the system periodically. The Pure Loop 2 FX also includes an easy-to-access refill port along with a coolant bottle for extended lifespan. Both systems cater to users seeking hassle-free installation and upkeep, but the Pure Loop 3's flexible tubing could offer an additional advantage in terms of adaptability.

Aesthetic Appeal

Aesthetic considerations play a significant role in many users' purchasing decisions. The Pure Loop 3 is noted for its premium design without RGB lighting, appealing to purists who prefer a clean look. Its cooling block features a distinctive design that enhances any system's visual appeal. Conversely, the Pure Loop 2 FX combines ARGB illumination with an all-black design and aluminum-style accents, providing a more vibrant and stylish appearance. If you prioritise aesthetics, particularly with RGB elements, the Pure Loop 2 FX stands out as the better option.

Compatibility

Compatibility is another essential factor to consider when choosing a cooling system. The Pure Loop 3 supports a wide range of sockets, making it highly versatile for various CPU setups. The exact socket compatibility is not specified, but the design suggests it accommodates many modern configurations. The Pure Loop 2 FX explicitly mentions compatibility with Intel sockets including 1700, 1200, and 2066, as well as AMD's AM5 and AM4 sockets. For users with specific CPU requirements, the Pure Loop 2 FX offers clear compatibility information that can simplify installation.

Which should you buy?

Ultimately, the choice between the be quiet! Pure Loop 3 280 mm Liquid Cooling System and the be quiet! Pure Loop 2 FX 240mm hinges on your specific needs and preferences. If you require superior cooling performance and quieter operation, the Pure Loop 3, with its larger radiator and powerful fans, is the better choice at C$138.51. However, if you are looking for a more affordable option with attractive RGB lighting and solid performance, the Pure Loop 2 FX at C$118.12 may be more suitable. Consider your cooling demands, aesthetic preferences, and budget to make the best decision for your setup.

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be quiet! Pure Loop 3 280 mm Liquid Cooling System vs be Quiet! Pure Loop 2 FX 240mm | versusfinder