DeepCool CASTLE 240EX A-RGB 240mm Liquid CPU Cooler
DeepCool CASTLE 240EX A-RGB - Description
240mm Liquid CPU Cooler
Stunning RGB Lighting and Infinity Mirror Design:
The DeepCool CASTLE 240EX A-RGB is more than just a high-performance liquid CPU cooler—it’s also a centerpiece for your PC build. Featuring DeepCool’s iconic infinity mirror pump design, the cooler adds a mesmerizing lighting effect with customizable RGB illumination. The updated mirror chip showcases the new DeepCool logo for a refined, modern look that stands out instantly. With support for 5V addressable RGB synchronization via popular motherboard software or the included controller, you can easily match the cooler’s effects with the rest of your system for a unified and immersive build experience.

Powerful Dual CF120 A-RGB PWM Fans:
Cooling performance is driven by two high-quality DeepCool CF120 A-RGB PWM fans. Each fan is equipped with 12 addressable RGB LEDs, producing vibrant, customizable lighting effects while delivering excellent airflow. With a dynamic speed range of 500 to 1800 RPM, the fans can push up to 69.34 CFM of airflow and 2.42 mmAq of static pressure. This ensures effective cooling for even the most demanding CPUs, while maintaining noise levels as low as 30 dB(A) for a balanced performance-to-silence ratio.
Optimized Pump for Superior Heat Exchange:
At the heart of the CASTLE 240EX A-RGB is an advanced dual-chamber pump. This pump design enhances coolant circulation with an optimized flow route that maximizes heat transfer from the copper cold plate to the radiator. Running at 2550 RPM with a near-silent 17.8 dB(A) noise level, the pump ensures stable and efficient cooling performance. Its 3-phase motor increases flow rate while reducing vibration and noise, striking the perfect balance between power and quiet operation.

Enhanced Copper Cold Plate with 25% More Skived Fins:
The CASTLE 240EX A-RGB is engineered for serious performance. Its copper cold plate features 25% more skived fins compared to previous models, offering a much larger surface area for effective heat dissipation. This improvement allows the cooler to handle higher thermal loads, making it ideal for modern high-performance CPUs, including AMD Threadripper processors with TR4 socket support. Whether you’re gaming, streaming, or running heavy workloads, the CASTLE 240EX A-RGB keeps your CPU temperatures under control.
Anti-Leak Technology for Long-Term Safety:
One of the standout innovations in the CASTLE 240EX A-RGB is DeepCool’s patented Anti-Leak Technology. After three years of extensive research and development, DeepCool introduced this pressure-regulating system to enhance the safety and reliability of liquid cooling. By automatically balancing internal pressure, the system minimizes the risk of leaks and significantly extends the cooler’s operational lifespan. This gives users peace of mind knowing their system is well-protected.

Durable Radiator and Tubing Design:
Built with a premium 240mm aluminum radiator, the CASTLE 240EX A-RGB is designed to maximize heat dissipation while maintaining a sleek profile. The radiator measures 282×120×27 mm, providing ample cooling capacity in a wide range of PC cases. The durable tubing, with a length of 380 mm, is reinforced for flexibility and long-term use, making installation easier and more secure. The robust build ensures reliable performance over years of continuous operation.
Customizable Aesthetics and Logo Swap Feature:
DeepCool gives you the option to personalize your system even further with the swappable custom logo feature on the pump block. This allows you to adjust the appearance of the cooler to better match your build’s theme. Combined with its A-RGB customization and sleek mirror design, the CASTLE 240EX A-RGB is one of the most stylish coolers available, making it a perfect choice for PC builders who value aesthetics as much as performance.

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