DeepCool AK400 CPU Air Cooler 220w TDP 6mm x 4 Nickel Plated Copper Heat Pipes CPU Cooler with PWM 120mm FDB Fan 1850RPM for Intel LGA 1700/1200/1151/1150/1155 AMD AM5/AM4, Black

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This ensures that the CPU has had ample time to warm up and reach steady state under all of the coolers.

We saw a delta temperature reading of 68C at full fan speed, which puts its performance at the same level as Arctic Freezer A35 A-RGB. Performance from DeepCool’s budget AK400 is solid when tasked with a manually overclocked Ryzen 9 5950X processor. Leave a little wiggle room to then use them to support the bracket while placing the screws and spacers into the top cutouts. Arctic’s similarly performing cooler is quieter whilst managing the same thermal performance, but the DeepCool unit manages to outperform the full fan speed SilentiumPC competitors. Once you get the mounting bracket in place, you can apply the thermal paste of your choice, or skip to the next step if using the pre-applied paste.That performance drop-off was minimal, but it does highlight some weaknesses of the included fan – particularly when the Arctic and SilentiumPC competitors have zero-RPM capable PWM fans whereas DeepCool’s is only rated down to 500 RPM. To start, you will need to remove the plastic AM4 brackets on the motherboard but keep the backplate handy. When it comes to dimensions, the DeepCool AK400 has a height of 155mm, width of 127mm, and 97mm depth, which is about the size of your average air cooler.

The DeepCool AK400 is a highly compatible CPU cooler featuring a classic four heat pipe tower layout with a unique matrix fin design and a high-performance FDB fan that delivers excellent heat dissipation and extremely low noise level. To summarise, we would say that DeepCool’s build quality and ease of installation for the AK400 are positives.

The DeepCool AK400 Zero Dark CPU Air Cooler stands as a testament to superior cooling performance in the realm of computing. Achieve high-performance cooling with minimal noise levels thanks to the high-performance FDB fan that maximizes airflow and static pressure when needed and intelligently ramps down for silent efficiency.

With that said, DeepCool’s 1850 RPM FDB fan was louder than its competitors at full speed, so there was a small performance drop-off when locking the cooler to 40dBA noise output. This fan uses a black color scheme with black fan blades, which makes sense, as this is not an RGB LED fan. Line the screws on the cooler up with the threads on the mounting bracket and alternate between the two to secure it. The easiest method if you are installing the cooler on a motherboard that is already mounted to the case is to screw the bottom two screws into the backplate with the spacers. Registered office: Klarna UK Limited, 7th Floor, 33 Cavendish Square, London, W1G 0PW, United Kingdom.The crystal-clear digital screen displays the temperature and usage of your system’s CPU in real time, and there is also a high temperature warning. The smooth-running fan motor ensures reduced vibrations and, in conjunction with the bearing, ensures a very long service life. This mounting bracket is used for both Intel and AMD processors and must be mounted in the correct orientation per the installation manual.