ASUS
PROART LC 420
Out of Stock
ASUS ProArt LC 420 420 mm CPU Liquid Cooler | 140 mm Fans, ProArt
ASUS
MPN: PROARTLC420
$359.99
Free shipping on orders over $500
Authorized Dealer — Full manufacturer warranty
Key Features
- 420 mm all-in-one CPU liquid cooler
- Three Noctua NF-A14 industrialPPC-2000 PWM 140 mm radiator fans
- Illuminated system status meter
- ProArt workstation-oriented design
- Liquid CPU cooling architecture
- Large-surface radiator platform
- Premium thermal solution for sustained loads
- Sustain heavy CPU workloads with a 420 mm radiator for expanded heat dissipation
Hold boost clocks longer under sustained rendering, simulation, and content creation loads with the ASUS ProArt LC 420. This all-in-one CPU liquid cooler pairs a large 420 mm radiator with three Noctua NF-A14 industrialPPC-2000 PWM 140 mm fans, giving high-end desktop processors the thermal headroom they need when air cooling starts to fall behind.
The illuminated system status meter adds a practical visual cue to the build, fitting the ProArt focus on clean, professional workstation design. The larger radiator format helps spread heat across more surface area, which is especially valuable in systems that spend hours at elevated CPU utilization. For builders who care about acoustics as much as temperature, the Noctua fan platform is a strong signal of intent: move air efficiently without turning the chassis into a distraction.
This cooler is a fit for premium creator PCs, engineering workstations, and performance desktops where thermal stability directly affects output. It is the kind of component that justifies its place in a higher-value build by protecting sustained performance, not just peak benchmark numbers.
Ideal For
- Creator workstations running long video renders and exports
- High-core-count desktop PCs under sustained CPU load
- Engineering and CAD systems that need stable thermals
- Premium performance builds where acoustics matter
Why This Product
- 1420 mm radiator offers more thermal capacity than 240 mm and 360 mm AIOs
- 2Three 140 mm Noctua fans favor sustained airflow over compact-form compromises
- 3Illuminated status meter adds practical system visibility
- 4Built for premium workstation thermals rather than entry-level gaming builds





