The Mars Gaming ML-PRO240 Black is a closed-loop AIO (all-in-one) liquid cooler that is designed to cool high-performance CPUs. It features a 240mm radiator, two 120mm FDB fans, and a copper cold plate. The ML-PRO240 has a rated TDP (thermal design power) of 450W, which means that it can handle CPUs with a maximum heat output of 450 watts. This makes it suitable for overclocked CPUs and high-end gaming PCs. The ML-PRO240 also features a number of other user-friendly features, including: * Easy installation: The ML-PRO240 is easy to install, even for first-time builders. * RGB lighting: The ML-PRO240 features RGB lighting on the pump and fans, which can be customized to match the rest of your PC's lighting scheme. * Low noise levels: The ML-PRO240's FDB fans are designed to be quiet, even at high speeds. * Universal compatibility: The ML-PRO240 is compatible with a wide range of Intel and AMD CPU sockets. [Image of Mars Gaming ML-PRO240 Black] Overall, the Mars Gaming ML-PRO240 Black is a good option for those looking for a high-performance, easy-to-install AIO liquid cooler. It is compatible with a wide range of CPUs and features a number of user-friendly features, such as RGB lighting and low noise levels. Users reported that it performs well and keeps their CPU cool even under heavy loads. However, some users found that the RGB lighting can be a bit difficult to control.