ASUS ProArt LC 420 420mm All-In-One CPU Liquid Cooler

The ASUS ProArt LC 420 All-in-One Liquid CPU Cooler, engineered for creative professionals, gamers, and power users who demand top-tier cooling with minimal noise. Designed to perfectly complement the ProArt product line, this 420mm AIO cooler combines industrial-grade performance with refined aesthetics for modern workstations and high-end setups.

At the heart of the ProArt LC 420 are three premium Noctua NF-A14 industrialPPC-2000 PWM 140mm fans, optimized to deliver powerful airflow while operating quietly—even under heavy workloads. These fans are renowned for their long-lasting reliability and quiet operation, making them ideal for editing, rendering, and overclocked gaming sessions.

The high-efficiency three-phase motor pump ensures stable thermal control and reduced vibration, providing consistent performance across demanding tasks. One of the standout features is the real-time status display, which shows live system information such as CPU load, temperature, and fan speeds—keeping you informed with just a glance.

Designed for durability, the ProArt LC 420 includes reinforced 450mm sleeved tubing that ensures leak-resistant, flexible installation across various PC case sizes. Its extra-thick radiator offers expanded coolant capacity, enabling superior heat dissipation and performance for multi-core CPUs and overclocked setups.

Whether you’re building a workstation for 3D rendering or a high-performance PC for intense multitasking, the ASUS ProArt LC 420 420mm AIO CPU Cooler delivers unmatched cooling efficiency, ultra-quiet operation, and professional-grade reliability.