Thermaltake

Thermaltake CL420 Pacific CL-W193-CU00BL-A Copper Radiator

4.6 (51 reviews)

Maximize Cooling Efficiency with Advanced Radiator TechnologyIntroducing the Thermaltake Pacific CL420 DIY Liquid Cooling System. This high-performance 64mm thick copper radiator is engineered for optimal heat dissipation, ensuring your system stays cool even under the most demanding conditions. ...

$139.99*
In Stock on Amazon.com
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

Maximize Cooling Efficiency with Advanced Radiator Technology

Introducing the Thermaltake Pacific CL420 DIY Liquid Cooling System. This high-performance 64mm thick copper radiator is engineered for optimal heat dissipation, ensuring your system stays cool even under the most demanding conditions.

  • Enhanced Cooling Capacity: Features a triple-row flat tube design and brass tank for superior thermal performance.
  • High-Density Copper Fins: Boasts a dense fin design (14 FPI) optimized for maximum air volume and efficient heat transfer.
  • Durable Construction: Constructed with stainless steel side panels for increased durability and reduced weight.
  • Optimized Heat Transfer: Designed to efficiently pull heat away from the coolant, maximizing heat dissipation.
  • Premium Manufacturing: Built using a controlled atmosphere soldering process for optimal thermal transfer between tubes and fins.

Key Features

More Rows for More Cooling: Built to perform, this 64mm thick radiator offers a triple-row flat tube design and brass tank for best thermal capacity

High-Density Copper Fin Design: Designed to accommodate high air volume (Fin per Inch: 14)

Stainless Steel Frame: Engineered with stainless steel side panels that increase the durability and strength of the radiator while reducing the weight

Optimized Heat Transfer: Optimized for efficiently pulling heat away from cycling coolant thus achieving maximum heat dissipation at both low and high airflow operation

High-Quality Manufacturing Process: Baked through a controlled atmosphere soldering line. Materials melt into each other to accomplish optimal thermal transfer from the tubes to the actual fins

Specifications

Thickness
64mm
Tube Design
Triple-row flat
Tank Material
Brass
Fin Material
Copper
Fin Density
14 FPI (Fin per Inch)
Frame Material
Stainless Steel

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Pros & Cons

👍 Pros

  • Features a 64mm thick, triple-row flat tube design with a brass tank for enhanced thermal capacity.
  • Equipped with a high-density copper fin design, optimized to accommodate high air volume (14 FPI).
  • Constructed with stainless steel side panels, which boosts the radiator's strength and durability while reducing weight.
  • Engineered for optimized heat transfer, efficiently pulling heat from cycling coolant at both low and high airflows.
  • Manufactured using a high-quality process, including controlled atmosphere soldering for optimal thermal transfer.

👎 Cons

  • The specific dimensions beyond the 64mm thickness are not provided, making it difficult to assess overall size.
  • Compatibility with specific PC cases or cooling systems is not mentioned in the available features.
  • Information regarding included mounting hardware or fan accessories for installation is not specified.
  • Details on the type of coolant recommended or supported by this radiator are not included.
  • The aesthetic design, beyond the stainless steel frame, is not extensively described.

Frequently Asked Questions

The Thermaltake CL420 radiator utilizes a high-density copper fin design, optimized for superior heat dissipation.
This radiator features a 64mm thick, triple-row flat tube design along with a brass tank, which is built for best thermal capacity.
The radiator is engineered with stainless steel side panels, increasing its durability and strength while helping to reduce overall weight.
Yes, it is optimized for efficiently pulling heat away from cycling coolant, achieving maximum heat dissipation at both low and high airflow operations.
The radiator is produced through a high-quality manufacturing process, including being baked through a controlled atmosphere soldering line, ensuring optimal thermal transfer.