ASUS ProArt LC 420 420mm AIO CPU Liquid Cooler with Noctua IndustrialPPC Fans

The ASUS ProArt LC 420 is a 420mm all-in-one CPU liquid cooler engineered for content creators and power users who demand effective thermal management alongside a refined, understated aesthetic. At its core, three Noctua NF-A14 IndustrialPPC 2000 PWM 140mm fans are mounted to the radiator, each capable of spinning between 800 and 2000 RPM (±10%) while delivering up to 107 CFM of airflow at a static pressure of 4.18 mmH2O. Noise levels are rated at 31.5 dB(A), and the fans support both PWM and DC control modes for flexible speed management. The pump block houses a performance three-phase motor and features an illuminated meter on its cover that displays real-time system information — including system load, temperatures, and fan speeds — at a glance without needing to open any software. The pump block footprint measures 78 × 78 × 49 mm, with a copper CPU contact plate designed to maximise heat transfer from the processor. The aluminum radiator measures 456 × 140 × 30 mm, offering a thicker profile compared to standard radiators for increased coolant volume and enhanced heat dissipation. The 450mm reinforced sleeved rubber tubing provides routing flexibility for a wide variety of chassis configurations. Socket compatibility is broad: Intel LGA 1700, LGA 1200, and the LGA 115X family (LGA 1150, 1151, 1152, 1155, 1156), as well as AMD AM5 and AM4 platforms. AURA Sync support allows the illuminated meter to integrate with compatible ASUS motherboards and peripherals for coordinated lighting. The cooler ships with pre-applied thermal compound, a 1-to-3 fan splitter cable, a full accessory pack of screws and brackets, and a quick start guide. ASUS covers this cooler with a 6-year warranty. Verified Specifications: - Radiator size: 420mm (456 × 140 × 30 mm) | Material: Aluminum - Fan: 3× Noctua NF-A14 IndustrialPPC 2000 PWM, 140 × 140 × 25 mm - Fan speed: 800–2000 RPM ±10% | Airflow: 107 CFM / 182.5 m³/h - Static pressure: 4.18 mmH2O | Noise: 31.5 dB(A) - Fan control: PWM / DC - Water block: 78 × 78 × 49 mm | CPU plate: Copper - Tube length: 450 mm | Tube type: Sleeved rubber - Socket support: Intel LGA 1700 / 1200 / 115X; AMD AM5 / AM4 - AURA Sync: Yes - Warranty: 6 years