Skip to product information
1 of 6

TH420 ARGB Sync All-In-One Liquid Cooler

TH420 ARGB Sync All-In-One Liquid Cooler


Regular price $139.99 USD
Regular price Sale price $139.99 USD
Sale Sold out

Designed for thermal performance, for next-generation Intel and AMD CPUs. The TH420 ARGB all-in-one cooler utilizes 3x CT140mm ARGB fans that have been optimized for AIO cooling performance with speeds reaching up to 1800RPM. Built to work with any existing 5V ARGB header, easily connect to compatible motherboards for simple set up and lighting control. Stay connected with easy to use daisy-chain cables and ARGB connector locks to secure your RGB with confidence for a better and faster building experience.
View full details
  • Design
  • Specification
  • Download
  • How-to Videos

Extended Cooling performance for Next Generation CPUs

Optimized for heat dissipation on Next-Gen CPUs with a larger radiator surface area(420mm), longer tubing for easy installation and full copper cold plates.

The Perfect COMBO

Explore more cooling options with current and upcoming products from Thermaltake taking full advantage of fitment, pair your cooling with a variety of cases including our Ceres 500 Mid-tower chassis.

Your Fans, Your Way!

Equipped with enhanced CT140mm ARGB Fans, optimized to generate better airflow and static pressure with PWM control supporting up to 1800 RPM providing 84.32CFM of maximum airflow.


Specially designed 420mm large surface radiator offers more surface area to deliver exceptional heat dissipation.

Keep it COLD with Copper

Accelerate heat conductivity with high-quality copper cold plate with easy to use slide lock mounting.


Plug and Play your RGB cooling system for simple effecting lighting to SYNC* with 5V ARGB LED control from leading motherboard models.

*5V ARGB header required for function, check your motherboard features for compatibility.

Sync with Motherboard RGB Software

Designed to synchronize with ASUS Aura Sync, GIGABYTE RGB Fusion, MSI Mystic Light Sync, and ASRock Polychrome. It supports motherboards with a 5V addressable RGB header, allowing you to control the lights directly from the software mentioned above without installing any extra lighting software or controllers. For more details, please visit ASUS, GIGABYTE, MSI, and ASRock official websites.

Category Caution
Chassis, ARGB Fan, ARGB AIO
  • The motherboard signal connector only supports a 5V header.
  • Make sure your motherboard software is the latest version.
RGB Memory, VGA Waterblock, Distro Plate
  • This product can only be used with either the TT RGB PLUS software or the dedicated Motherboard software. By having more than two applications open may cause conflicts
  • The motherboard signal connector only supports a 5V header.
  • Make sure your motherboard software is the latest version.