ASUS ProArt LC 420 420mm Liquid Cooler

Professional-Grade Cooling for High-Performance Systems

Take full control of thermals with the ProArt LC 420, a premium 420mm all-in-one liquid cooler engineered for creators, professionals, and high-end PC builds. This powerful cooling solution handles intensive workloads such as 3D rendering, video editing, and AI processing while maintaining stable CPU temperatures. As a result, your system sustains peak performance during extended sessions without throttling.

Built under the trusted engineering standards of ASUS, the ProArt series focuses on reliability, quiet operation, and refined aesthetics tailored for professional environments.

Key Features & Specifications

Massive 420mm Radiator

The oversized 420mm aluminum radiator provides superior heat dissipation compared to standard 360mm solutions. Additionally, three 140mm high-performance fans push optimized airflow for consistent cooling across heavy multi-core workloads.

High-Efficiency Pump Design

The advanced pump increases coolant flow and improves heat transfer between the cold plate and radiator. Therefore, CPUs maintain stable boost frequencies even under sustained rendering or compilation tasks.

Quiet 140mm Fans

The included 140mm fans operate with a strong airflow-to-noise ratio. Moreover, precision fan curves balance acoustics and cooling, making this cooler ideal for studio and office setups where low noise matters.

Minimalist ProArt Aesthetic

Unlike RGB-focused gaming coolers, the ProArt LC 420 emphasizes a clean and professional look. The subtle design integrates seamlessly into workstation builds and creator-focused systems.

For official product details and software compatibility, visit the ASUS ProArt page:
https://www.asus.com/proart/

Performance for Workstations & Gaming

The ProArt LC 420 excels in systems running high-core-count processors from Intel and AMD. Whether you compile code, edit 8K video, simulate 3D environments, or game after work, this cooler delivers consistent thermal stability. Furthermore, the larger radiator surface provides additional thermal headroom for overclocked or high-TDP CPUs.

Consequently, your hardware operates more efficiently and enjoys improved longevity.

Why Choose This Product

Professionals require reliability above all. However, thermal performance cannot compromise noise levels. The ProArt LC 420 strikes the perfect balance between powerful cooling and quiet operation. Additionally, premium materials and reinforced tubing enhance durability for long-term use.

Pair it with our Workstation Motherboards for maximum stability, explore compatible Full Tower PC Cases that support 420mm radiators, or upgrade your system with high-performance DDR5 RAM Kits.

Compatibility & Requirements

The cooler supports Intel LGA 1700 / 1200 / 115x and AMD AM5 / AM4 sockets. Ensure your PC case supports a 420mm radiator mounting position before installation. Additionally, confirm adequate clearance for 140mm fan configurations.

PRODUCT SPECIFICATIONS:

• Radiator Size: 420mm

• Radiator Material: Aluminum

• Cooling Type: All-in-One Liquid Cooling

• Fans: 3 x 140mm High-Performance Fans

• Fan Speed: Up to approx. 2000 RPM

• Socket Support: Intel LGA 1700 / 1200 / 115x, AMD AM5 / AM4

• Tubing: Reinforced sleeved tubing

• Power Requirements: 4-pin PWM

• Radiator Dimensions: Approx. 457 x 140 x 30 mm

• Color: Black (ProArt design)

• Noise Level: Optimized low-noise operation

• Warranty: 6 Years Manufacturer Warranty

• Package Contents:

  • ProArt LC 420 Cooler

  • Intel & AMD Mounting Kits

  • PWM Cables

  • Installation Guide

Does the ProArt LC 420 support Intel 14th Gen CPUs?

Yes, it supports the LGA 1700 socket, making it compatible with Intel 14th Gen processors.

Is this cooler suitable for overclocking?

Yes, the 420mm radiator provides strong thermal headroom for high-TDP and overclocked CPUs.

Does it include RGB lighting?

No, the ProArt LC 420 features a clean, professional design without RGB lighting.

Will it fit in all PC cases?

No. Your case must support a 420mm radiator and 140mm fan mounting.

Is it good for workstation builds?

Yes, it is optimized for creators, engineers, and professionals running demanding workloads.