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5.51" Maximum Fan Diameter - 3 x Fan(s) - 107 CFM Maximum Airflow - 2000 rpm - Liquid Cooler Cooler - Compatible Intel Socket: LGA-1700, LGA-1200, LGA-115X - Compatible AMD Socket: AM5, AM4 - Aluminum Radiator - 1 - Motherboard, Processor, CPU, Chassis
$381.65
Special order — estimated available by September 10, 2026.
Genuine ASUS Computer International through authorized distribution — TAA country-of-origin verified and NDAA §889 screened before checkout.
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.
About ASUS ASUS is a multinational company best known for their motherboards, PCs, monitors, graphics cards and routers. Along with an expanding range of superior gaming, content-creation and AIoT solutions, ASUS leads the industry through cutting-edge design and innovations made to create the most ubiquitous, intelligent, heartfelt and joyful smart life for everyone. With a global workforce that includes more than 5,000 R&D professionals, ASUS is driven to become the world’s most admired innovative leading technology enterprise. About ROG Republic of Gamers (ROG) is an ASUS sub-brand dedicated to creating the world’s best gaming hardware and software. Formed in 2006, ROG offers a complete line of innovative products known for performance and quality, including motherboards, graphics cards, laptops, desktops, monitors, audio equipment, routers and peripherals. ROG participates in and sponsors major international gaming events. ROG gear has been used to set hundreds of overclocking records and it continues to be the preferred choice of gamers and enthusiasts around the world. © 2024 ASUS Computer International. All Rights Reserved. ASUS is a registered trademark of ASUSTeK Computer. All specifications and terms are subject to change without notice. Please check with your supplier for exact offers on selected models. Products may not be available in all markets. Product may not be exactly as shown in photos. Actual colors may differ from their appearance due to variation of monitor restrictions and color processing. All trademarks are registered to their respective companies. ASUS shall not be liable for technical or editorial errors or omissions contained herein.
| 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 |
| General Information | |
| Manufacturer | ASUS Computer International |
| Manufacturer Part Number | PROART LC 420 |
| 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 |
| Heatsink Information | |
| Cooler Type | Liquid Cooler |
| Compatible Intel Socket | LGA-1700, LGA-1200, LGA-115X |
| Compatible AMD Socket | AM5, AM4 |
| Physical Characteristics | |
| Radiator Material | Aluminum |
| 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 | Motherboard, Processor, CPU, Chassis |
$106.70
Back-ordered$134.82
Back-ordered$388.08
Back-ordered$388.08
Back-ordered$178.02
Back-orderedSend a bill of materials or part numbers — we confirm stock, TAA country of origin and a below-market total. No payment up front.
