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ARCTIC P12 Slim PWM PST vs be quiet! Pure Rock 3 Black Air Cooler

Updated August 2026The ARCTIC P12 Slim PWM PST offers excellent value for budget-conscious users, while the be quiet! Pure Rock 3 Black excels in performance for demanding systems.

The ARCTIC P12 Slim PWM PST offers excellent value for budget-conscious users, while the be quiet! Pure Rock 3 Black excels in performance for demanding systems.

Why ARCTIC P12 Slim PWM PST is better

price

ARCTIC P12 Slim is £18.90, cheaper than be quiet! Pure Rock 3 at £27.99.

size

ARCTIC P12 Slim has a low installation height of 15 mm.

noise

ARCTIC P12 Slim operates at 0.3 Sone, quieter than be quiet! Pure Rock 3.

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

performance

be quiet! Pure Rock 3 has a TDP of 190W, suitable for high-performance systems.

heat pipes

be quiet! Pure Rock 3 features four 6mm heat pipes for efficient heat transport.

installation

be quiet! Pure Rock 3 has a user-friendly installation process with preinstalled mounting.

Overall score

ARCTIC P12 Slim PWM PST
75
be quiet! Pure Rock 3 Black Air Cooler
85

Specifications

SpecARCTIC P12 Slim PWM PSTbe quiet! Pure Rock 3 Black Air Cooler
BrandARCTICbe quiet!
Price£18.90£27.99
Fan Size120mm120mm
Static Pressure1.33 mmH₂ON/A
Fan TypePWM PSTPWM

Dimension comparison

ARCTIC P12 Slim PWM PSTbe quiet! Pure Rock 3 Black Air Cooler

Price Comparison

The ARCTIC P12 Slim PWM PST is priced at £18.90, while the be quiet! Pure Rock 3 Black Air Cooler costs £27.99. This makes the ARCTIC cooler significantly more affordable, with a difference of £9.09 between the two products. If budget is a primary concern, the ARCTIC P12 Slim offers a compelling entry point for users looking for effective cooling solutions without breaking the bank. On the other hand, the be quiet! Pure Rock 3 Black, while more expensive, positions itself as a premium option aimed at delivering superior performance for more demanding systems.

Cooling Performance

In terms of cooling performance, the be quiet! Pure Rock 3 Black stands out with a thermal design power (TDP) rating of 190W, making it suitable for high-performance gaming and multimedia systems. Its four 6mm heat pipes are specifically designed to efficiently transport heat to the cooling fins, which optimises the cooler's performance. Conversely, the ARCTIC P12 Slim PWM PST is geared towards static pressure, ensuring effective cooling even with increased air resistance. Its fan operates between 200 to 2100 RPM, providing adjustable cooling based on system demands. While both coolers are effective, the be quiet! option is tailored for more intensive applications, while the ARCTIC is versatile for various setups.

Design and Compatibility

The ARCTIC P12 Slim PWM PST features a low installation height of just 15 mm, making it an excellent choice for small form factor cases or situations where space is limited. Its slim design allows for compatibility in tight spaces without sacrificing performance. In contrast, the be quiet! Pure Rock 3 Black is designed for broader compatibility with RAM and VRM coolers due to its compact construction. This design ensures that users can install larger memory modules without interference. While both coolers offer space-saving designs, the ARCTIC is particularly advantageous for ultra-compact builds.

Noise Levels

The ARCTIC P12 Slim PWM PST operates at a noise level of only 0.3 Sone, which makes it an attractive option for noise-sensitive environments. Its ability to run quietly while still providing impressive cooling performance is a key selling point. The be quiet! Pure Rock 3 Black also emphasises quiet operation, leveraging its optimised fan blades and funnel-shaped air outlet to maximise airflow while minimising sound. Though specific noise levels for the be quiet! model are not disclosed, its brand reputation for quiet performance is well established. If noise reduction is paramount, both models have their strengths, but the ARCTIC provides a quantifiable edge.

Installation Process

Installation of the be quiet! Pure Rock 3 Black is designed to be user-friendly, featuring a preinstalled mounting bridge and screws for easy attachment. This streamlined process is especially beneficial for users who want to avoid complications during setup. The ARCTIC P12 Slim PWM PST, while straightforward, does not highlight specific features related to its installation process, making it less clear how user-friendly it might be in comparison. Therefore, for those who value ease of installation, the be quiet! offering may be the more appealing choice due to its emphasis on a hassle-free setup.

Fan Technology

The ARCTIC P12 Slim PWM PST utilises a 4-pin connector that allows for PWM PST control, enabling users to adjust fan speeds dynamically from 300 to 2100 RPM. This feature not only optimises cooling efficiency but also minimises noise during lighter loads. In comparison, the be quiet! Pure Rock 3 Black is equipped with a Pure Wings 3 120mm PWM fan, which boasts optimised fan blades designed to enhance air pressure and overall performance. Both products leverage advanced fan technology to provide efficient cooling, but the ARCTIC's variable speed settings may offer more flexibility for users who need tailored cooling solutions.

Target Audience

The ARCTIC P12 Slim PWM PST is ideal for users looking for an economical and efficient cooling solution, particularly in compact builds where space is at a premium. Its effective static pressure makes it suitable for various applications, from general use to more demanding setups. Conversely, the be quiet! Pure Rock 3 Black targets gamers and professionals who require robust cooling capabilities for high-performance systems. Its higher price point reflects its positioning as a premium cooler for advanced users. Depending on your specific needs and budget, each cooler serves distinct audiences effectively.

Which should you buy?

Choosing between the ARCTIC P12 Slim PWM PST and the be quiet! Pure Rock 3 Black boils down to your specific requirements and budget. The ARCTIC P12 Slim is an excellent choice for those seeking affordability, a low-profile design, and quiet operation, priced at £18.90. In contrast, if you need a high-performance cooler capable of handling demanding applications and are willing to invest an additional £9.09, the be quiet! Pure Rock 3 Black offers superior cooling capabilities with a TDP of 190W. Ultimately, your choice should reflect your priorities in terms of performance, noise levels, and budget constraints.

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ARCTIC P12 Slim PWM PST vs be quiet! Pure Rock 3 Black Air Cooler | versusfinder