The Thermaltake Toughliquid 420 EX Pro is a high-performance all-in-one liquid cooler designed for enthusiasts who demand serious thermal management. Built with a combination of aluminium and copper, this sleek black cooler features a large 420mm radiator paired with three 140mm PWM fans, making it suitable for demanding workloads and high-performance processors. Its broad socket compatibility covers both Intel and AMD platforms, including LGA 1700, LGA 1851, AM4, and AM5, ensuring it fits a wide range of modern and legacy systems.
Powerful Cooling Performance
At the heart of this cooler is a capable pump running at up to 3300 RPM, powered by a 3-pin and 4-pin connector combination at 5/12V with a current draw of 430 mA and a power consumption of 5.16W. The three 140mm PWM fans spin between 500 and 2000 RPM, delivering a maximum air pressure of 3.57 mmH2O to push airflow efficiently through the radiator. This range allows for quiet operation under lighter loads while scaling up performance when the system is under stress.
Flexible and Easy Integration
The Toughliquid 420 EX Pro comes with 460mm tubing, providing ample flexibility for routing within a variety of case configurations. PWM support allows the fans to be precisely controlled by the motherboard, enabling automatic speed adjustments based on system temperature. With no RGB illumination, this cooler maintains a clean, understated aesthetic that fits builds focused on performance over visual flair.
Product number manufacturer:
CL-W401-PL14BL-A
Cooling
Energy management
Illumination
Physical characteristics
Sockets
1150, 1151, 1155, 1156, 1200, 1700, 1851, 2011, 2066, AM2, AM2+, AM3, AM3+, AM4, AM5
Technical details
Pulse-width modulation (PWM) support:
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