The Thermaltake TH420 ARGB Sync All-In-One Liquid Cooler – Snow Edition is designed to provide efficient CPU liquid cooling, enhanced thermal performance, and customizable RGB lighting for high-performance desktop computers. Featuring a large 420mm aluminum radiator and three 140mm PWM cooling fans, an effective heat dissipation system is provided to support demanding computing workloads, gaming sessions, and intensive multitasking. A copper water block is incorporated to promote efficient heat transfer, while the white Snow Edition finish is complemented by vibrant ARGB illumination for a clean and modern PC build.

Advanced cooling performance is supported by a high-speed pump operating at 3200 RPM, while fan speeds are automatically adjusted through PWM control between 500 and 1800 RPM according to system temperature requirements. High airflow of up to 84.32 CFM and static pressure of 3.02 mm-H2O are delivered by each cooling fan to ensure consistent airflow through the radiator. Furthermore, 5V ARGB synchronization is supported, allowing compatible motherboard lighting software to be used for coordinated lighting effects and personalized PC aesthetics.

With its 460mm rubber tubing, extensive CPU socket compatibility, and large radiator design, the Thermaltake TH420 ARGB Sync Snow Edition is suitable for a wide range of Intel and AMD desktop platforms. Its combination of powerful cooling components, adjustable fan speeds, and customizable RGB lighting makes it an excellent choice for gaming PCs, workstation builds, and performance-oriented computer systems.

Key Features

• 420mm All-In-One Liquid Cooling System: A large 456mm radiator is incorporated to provide an expanded cooling surface for efficient heat dissipation and improved thermal management.

• Three 140mm PWM Cooling Fans: Three 140mm fans are included, with adjustable speeds ranging from 500 to 1800 RPM for balanced cooling performance and airflow control.

• 3200 RPM High-Speed Pump: A powerful pump is integrated to maintain continuous coolant circulation throughout the cooling system.

• Copper Water Block: A copper water block is used to support efficient heat transfer from the processor to the circulating coolant.

• 84.32 CFM Maximum Airflow: High airflow capacity is provided by each fan to support effective radiator ventilation and heat removal.

• 3.02 mm-H2O Maximum Air Pressure: Strong static pressure is generated to help air pass through the radiator fins for improved cooling efficiency.

• 5V ARGB Synchronization: Addressable RGB lighting is supported through a compatible 5V ARGB motherboard header, allowing synchronized lighting effects to be customized.

• PWM Fan Speed Control: Automatic fan speed adjustment is supported to balance cooling requirements and acoustic performance.

• 460mm Rubber Tubing: Flexible 460mm rubber tubes are provided to accommodate different PC case configurations and simplify installation.

• Snow Edition White Finish: A clean white exterior is featured to complement white gaming PCs and modern custom computer builds.

• Wide CPU Socket Compatibility: Support is provided for multiple Intel and AMD processor socket generations, offering greater flexibility for system upgrades and new PC builds.

Specifications

General Information

• Brand: Thermaltake

• Model: TH420 ARGB Sync All-In-One Liquid Cooler – Snow Edition

• Part Number (P/N): CL-W369-PL14SW-A

• Cooling Type: All-In-One Liquid CPU Cooler

• Color: Snow Edition (White)

Pump Specifications

• Speed: 3200 RPM

• Rated Voltage: 12 V & 5 V

• Rated Current: 0.38A & 0.25A

• Power Input: 4.3W & 1.25W

Water Block Specifications

• Material: Copper

Fan Specifications

• Fan Dimensions: 140 x 140 x 25 mm

• Fan Speed: PWM 500–1800 RPM

• Fan Connector: 2510 – 4 Pin

• Noise Level: 34.7 dB-A

• Rated Voltage: 12 V & 5 V

• Rated Current: 0.32A & 0.31A (one fan)

• Power Input: 3.84W & 1.55W (one fan)

• Maximum Airflow: 84.32 CFM

• Maximum Air Pressure: 3.02 mm-H2O

• Connectors: 2510 – 4 Pin, 5V ARGB Header – 4 Pin

Tube Specifications

• Length: 460 mm

• Material: Rubber

Radiator Specifications

• Dimensions: 456 x 140 x 27 mm

• Material: Aluminum

Compatibility

• Intel: LGA 2066 / 2011-3 / 2011 / 1851 / 1700 / 1200 / 1156 / 1155 / 1151 / 1150

• AMD: AM5 / AM4 / AM3+ / AM3 / AM2+ / AM2 / FM2 / FM1

Conclusion

The Thermaltake TH420 ARGB Sync All-In-One Liquid Cooler – Snow Edition combines a large 420mm-class radiator, high-performance 140mm PWM fans, a copper water block, and customizable ARGB lighting in a stylish white cooling solution. With efficient coolant circulation, adjustable fan speeds, high airflow capacity, and broad Intel and AMD socket compatibility, a versatile cooling system is provided for demanding gaming computers and high-performance desktop builds. Its premium white appearance and synchronized RGB illumination also make it an excellent addition to modern custom PC configurations.