ASUS 

ASUS Fan PROART LC 420 AIO liquid CPU cooler Noctua NF-A14 140mm radiator fans

Mfg Part Number:  PROART LC 420  
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Price: $340.01
Quantity:
More to Come
Last Updated: Sep 04, 2026
No Sales Tax except these states
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QUIET. COOL. REFINED.

Experience unparalleled cooling performance and quiet operation. Powered by an performance three-phase motor and Noctua IndustrialPPC fans, the ProArt LC 420 expertly integrates premium tech into an elegantly understated design. An illuminated meter on the pump cover also provides live system stats in the signature minimalist ProArt manner for real-time information at a glance. And its subtle and graceful aesthetics add a touch of refinement to your setup. Cool, quiet, and classy-the perfect trifecta for any and all content creators.

lluminated Meter

An innovative illuminated meter to display real-time PC build information, such as system load, temperatures, and fan speeds, allowing for a quick glance to understand the system's status.

NoctuaIndustrialPPC Fan

To overcome the thermal challenges of the latest multi-core CPUs, the ProArt LC 420 offers Noctua NF-A14 industrialPPC-2000 PWM 140 mm radiator fans that deliver high performance and minimized noise.

The Evolution of Cool | Performance 3-Phase Motor Pump

Advanced three-phase motor offers excellent cooling capability and quieter operation.

450 mm Durable Tubing

This tubing features a braided mesh sleeve for durability, and 450 mm of length for additional flexibility and chassis compatibility.

Thicker Radiator

The thicker radiator's increased coolant storage capacity enables the ProArt LC 420 to deliver enhanced cooling performance.

Extensive Compatibility

The ProArt LC 420 features 450 mm of tubing and is compatible with a wide range of Intel® and AMD motherboard platforms, giving you ample processor and build flexibility.

Main Specification
General Information
Manufacturer ASUS Computer International
Manufacturer Part Number PROART LC 420
Manufacturer Website Address http://usa.asus.com
Brand Name Asus
Product Line ProArt LC 420
Product Name ProArt LC 420 Cooling Fan/Radiator/Water Block
Packaged Quantity 1
Product Type Cooling Fan/Radiator/Water Block
Fan Information
Number of Fans 3
Fan Speed (Min) 800 rpm
Fan Speed (Max) 2000 rpm
Maximum Airflow 107 CFM
Noise Levels (A-Weighted) 31.5 dB(A)
Maximum Air Pressure 4.18mmH2O
Heatsink Information
Cooler Type Liquid Cooler
Compatible Intel Socket LGA-1200
Compatible Intel Socket LGA-115X
Compatible Intel Socket LGA-1700
Compatible AMD Socket AM4
Compatible AMD Socket AM5
Physical Characteristics
Radiator Material Aluminum
Material Details
  • Block Material (CPU Plate): Copper
  • Tube: Sleeved Rubber tube
Maximum Fan Diameter 5.51"
Radiator Height 17.95"
Radiator Width 5.51"
Radiator Depth 1.18"
Fan Height 5.51"
Fan Width 5.51"
Fan Depth 0.98"
Water Block Height 3.07"
Water Block Width 3.07"
Water Block Depth 1.93"
Miscellaneous
Application/Usage Processor
Application/Usage Chassis
Application/Usage CPU
Application/Usage Motherboard
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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