Compare: Pure Rock Slim 2 vs AK400

Be Quiet! Pure Rock Slim 2 manufacture's image

Be Quiet! Pure Rock Slim 2

Compare To Another Cooler
Displayed below are comprehensive data and graphs that compare the Be Quiet! Pure Rock Slim 2 to the DeepCool AK400, showcasing critical qualitative and performance metrics. Performance metrics are further segmented into distinct graphs while leveraging the AMD Ryzen 7 5800X, illustrating how each cooler performs under various varying CPU power levels. This allows for a clear comparison of their relative performance and sound output when under different heat loads. The comparison is conducted under the following conditions:
  • Case: Praxis Wetbench
  • Ambient Temperatures: 23°C
  • CPU: AMD Ryzen 7 5800X (Pick Another CPU)

CPU Cooler Details

Metric Cooler 1: Pure Rock Slim 2 Cooler 2: AK400
Cooler Name Pure Rock Slim 2 AK400
Fan 1 Name Pure Wings 2 92mm FC120P
Manufacture Rated dBa 25.4 29.0
Number of Heat Pipes 3 4
Full Size (WxHxD): 97x135x82 mm 127x155x97 mm
Heatsink 1 (WxHxD) 97x89x57 mm 136x105x47 mm
Heatsink 2 (WxHxD) 136x105x47 mm
Air Cooler Rating: Install 10 (Easy) 4 (Moderate)
Manufacture's Link Pure Rock Slim 2 Manufacture's Link AK400 Manufacture's Link

Product Links

Link Type Cooler 1: Pure Rock Slim 2 Cooler 2: AK400

Fan Details for CPU Cooler:

Fan 1

Metric Cooler 1 Cooler 2
Fan Name Pure Wings 2 92mm FC120P
Fan Location Front Front
Fan Flow Type Push Push
CPU Only Fan No No
Max RPM 2000 1850
Fan Size (mm) 92 120
Fan Width (mm) 25 25
Manufacture Rated dBa 18.6 29.0
Manufactured Rated Airflow (cmf) 33.2 66.5
Manufactured Rated Air Pressure (h2o) 1.7 2.0
Number Of Pins 4 4
PWM Fan Yes Yes
Bearing Type Rifle Fluid Dynamic
Watts (W) 3.84 1.56
Current (A) 0.15 0.13
Max Volts 12.00 12.00

Design and Aesthetics:

Pure Rock Slim 2

The Pure Rock Slim 2 cooler has a simple but stylish look, with a slim shape and a fancy brushed aluminum top cover. Its small size means it can fit in a lot of different computer cases, even if there's not much space. The design doesn't just look cool but also helps with air flow to keep your CPU from getting too hot.


The AK400 is a sleek and stylish air cooler that features a clean black top, complemented by a single 120mm black fan, designed for users who appreciate a minimalist aesthetic. The it's single-tower aluminum radiator efficiently dissipates heat, ensuring effective cooling for your CPU. This compact and unassuming cooler not only delivers efficient performance but also seamlessly integrates into a variety of PC builds, making it an ideal choice for those who value both form and function.

Install Notes:

Pure Rock Slim 2

Installing the Pure Rock Slim 2 cooler is quite simple and doesn't require much effort besides a little muscle. This cooler uses the default AMD cooler bracket and doesn't need any additional screws, which makes it one of the easier installations. However, you'll need to apply some force to attach both sides of the cooler since it uses a spring-like setup rather than the latch system found in the Wraith Prism. The installation process is compatible with various Intel and AMD sockets, and the clear instructions make it straightforward for both beginners and pros.


This cooler is moderately difficult to install and is more difficult than other DeepCool cooler installations. For AMD CPU's, the mounting setup can be difficult to place due to the mounting bracket doesn't secure through holes, but rather through notches for the AMD setups (This isn't a problem for Intel setups). For this reason, keeping the backplate flush against the motherboard while also keeping the install components in line may prove to be difficult and may require a second pair of hands. This also has a very similar installation to the AG400.

Cooling Performance:

Pure Rock Slim 2

When it comes to cooling, the Pure Rock Slim 2 cooler is good enough for most regular CPUs. It's not meant for the super powerful ones, but it keeps things cool enough for everyday stuff, playing games, and even a little overclocking for the right CPUs.


The AK400 delivers impressive cooling performance for its size, attributed to its four heat pipes that effectively transfer heat from the CPU to the extensive fin array on the heatsink. It is well-suited for up to moderate-level processors; however, it might not be the best choice for high TDP CPUs or those looking to overclock their systems.

Noise Performance:

Pure Rock Slim 2

One of the best things about the Pure Rock Slim 2 cooler is that it's really quiet. Because of its special fan and the way it moves air around, it doesn't make much noise while still keeping things cool. This is great if you want a peaceful time using your computer.


This CPU cooler offers average cooling performance and operates at a moderate noise level. While it may not be the quietest option on the market, it maintains a comfortable balance between cooling efficiency and acoustic performance. This cooler is suitable for users who are not particularly sensitive to noise and are seeking a cost-effective solution for maintaining stable temperatures in their systems without demanding top-tier cooling or silent operation.


Pure Rock Slim 2

The Pure Rock Slim 2 cooler is a great pick if you're looking for a dependable, effective, and quiet way to cool your computer. Its cool design, good performance, and easy installation make it a top choice for all kinds of people, whether you're just starting or already a pro at gaming. If you want a cooler that's a great mix of price, performance, and being quiet, you should definitely think about getting the Pure Rock Slim 2.


This cooler has a moderately difficult installation, especially for AMD CPUs, due to its unique mounting setup. The installation process is similar to the AG400. The AK400 has a compact design, moderate cooling performance, and above-average noise levels. With a sleek, minimalist aesthetic, the cooler is suitable for various PC builds, offering a balance between cooling efficiency and acoustic performance for users seeking cost-effective solutions without top-tier cooling or silent operation.

AMD 5800X CPU Box Image

AMD Ryzen 7 5800X

Pick Another CPU

CPU Details:

Metric Value
Brand AMD
Cooler Name Ryzen 7 5800X
CPU Socket AM4
Cores 8
Thread Count 16
Max Temperature 90°C
Base Clock 3.8GHz
Max Boost Clock 4.7GHz
Cache L1
Cache L2 4MB
Cache L3 32MB
Processor Power Base 105W
Manufacture's Link Ryzen 7 5800X Manufacture's Link

Product Links

Link Type Value


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