ARCTIC P12 Slim PWM PST vs be quiet! Dark Rock Pro 5 Air CPU Cooler
Updated August 2026 — The ARCTIC P12 Slim PWM PST is a budget-friendly option for compact builds, while the be quiet! Dark Rock Pro 5 offers superior cooling for high-performance systems. Choose based on your needs and budget.
The ARCTIC P12 Slim PWM PST is a budget-friendly option for compact builds, while the be quiet! Dark Rock Pro 5 offers superior cooling for high-performance systems. Choose based on your needs and budget.
Why ARCTIC P12 Slim PWM PST is better
affordable price
ARCTIC P12 Slim costs £18.90
compact design
only 15 mm installation height
low noise level
operates at 0.3 Sone
Why be quiet! Dark Rock Pro 5 Air CPU Cooler is better
superior cooling
Dark Rock Pro 5 maintains low temperatures under peak load
advanced features
includes 7 copper heat pipes and dual fans
high RPM capability
can reach up to 2000 RPM in Performance Mode
Overall score
Specifications
| Spec | ARCTIC P12 Slim PWM PST | be quiet! Dark Rock Pro 5 Air CPU Cooler |
|---|---|---|
| Brand | ARCTIC | be quiet! |
| Current Price | £18.90 | £75.99 |
| Installation Height | 15 mm | 163 mm |
| Max RPM | 2100 | 2000 |
| Cooling Type | Fan | Air Cooler |
Dimension comparison
Overview of the ARCTIC P12 Slim PWM PST and be quiet! Dark Rock Pro 5 Air CPU Cooler
The ARCTIC P12 Slim PWM PST is an efficient cooling solution aimed at small form factor builds, while the be quiet! Dark Rock Pro 5 is a high-end air cooler designed for performance enthusiasts. Priced at £18.90, the ARCTIC P12 Slim targets budget-conscious users requiring effective cooling in tight spaces. On the other hand, the Dark Rock Pro 5, at £75.99, is intended for users seeking superior cooling for overclocked CPUs.
Design and Aesthetics
The ARCTIC P12 Slim boasts a compact design with an installation height of only 15 mm, making it ideal for systems where space is at a premium. Its sleek profile allows for easy integration in smaller cases. In contrast, the Dark Rock Pro 5 features a more substantial design typical of high-performance CPU coolers, characterised by a distinctive black finish and a sophisticated aesthetic that appeals to gamers and PC builders alike. This cooler's robust build also includes a detachable mesh top cover, enhancing its visual appeal and functionality.
Cooling Performance
When it comes to cooling performance, the ARCTIC P12 Slim PWM PST is optimised for static pressure, ensuring efficient airflow even under increased resistance, such as that found on heatsinks and radiators. The fan operates within a speed range of 200 to 2100 RPM, which allows for tailored cooling depending on the system's demands. Conversely, the Dark Rock Pro 5 is equipped with seven high-performance copper heat pipes that contribute to its ability to maintain low temperatures, even during peak CPU performance. The dual Silent Wings PWM fans can operate at maximum speeds of up to 2000 RPM in Performance Mode, delivering exceptional airflow and cooling efficiency.
Acoustic Performance
Acoustic performance is a crucial aspect for many users, especially in quiet environments. The ARCTIC P12 Slim operates at a noise level of just 0.3 Sone, which is impressively low, making it a suitable choice for builds where noise minimisation is a priority. Meanwhile, the Dark Rock Pro 5 also prioritises quiet operation, featuring decoupled fan mounting and vibration-isolating elements to further reduce noise-generating turbulence. While the Quiet Mode caps the fan speed at 1500 RPM, the Performance Mode allows for more aggressive cooling at 2000 RPM, albeit with increased noise levels.
Installation Process
The installation process varies significantly between the two coolers. The ARCTIC P12 Slim is designed for straightforward installation, particularly in compact spaces. Its slim profile allows for compatibility with a wide range of builds without extensive modifications. In contrast, the Dark Rock Pro 5 features a more complex installation due to its size and multiple components, including a pre-installed mounting bridge and a black mounting kit that blends seamlessly with its aesthetic. The cooler's design allows for easy access to the mounting kit, although it may require more effort compared to the ARCTIC P12 Slim.
Target Audience
The ARCTIC P12 Slim PWM PST is targeted towards users with small form factor cases or those who require a budget-friendly cooling solution without sacrificing performance. Its capabilities make it a versatile option for everyday computing tasks. In contrast, the be quiet! Dark Rock Pro 5 is tailored for high-performance users, particularly gamers and overclockers who demand superior cooling and are willing to invest in a premium product. Its advanced features and design cater to a niche market focused on performance and aesthetics.
Price Comparison
In terms of pricing, the ARCTIC P12 Slim is significantly more affordable at £18.90 compared to the Dark Rock Pro 5, which retails for £75.99. This price difference reflects the intended user base and performance expectations for each cooler. The ARCTIC P12 Slim provides excellent value for those looking for efficient cooling in a compact form factor, while the Dark Rock Pro 5 justifies its higher price through advanced features and superior cooling capabilities.
Which should you buy?
Ultimately, the choice between the ARCTIC P12 Slim PWM PST and the be quiet! Dark Rock Pro 5 depends on your specific needs and budget. If you're looking for a cost-effective solution that excels in compact builds, the ARCTIC P12 Slim is a worthy contender. However, if you require top-tier cooling performance for high-end gaming or overclocked systems, the Dark Rock Pro 5 offers advanced features and exceptional cooling capabilities that justify its higher price. Consider your system's requirements, your budget, and your performance needs before making a decision.
versusfinder.com is a participant in the Amazon Services LLC Associates Programme and the Amazon EU Associates Programme. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.

