Noctua NL-LC1-42 420mm Black / Brown All in One Liquid CPU Cooler

Noctua NL-LC1-42 420mm All-in-One Liquid CPU Cooler

Bringing Noctua's renowned engineering expertise to liquid cooling for the first time, the NL-LC1-42 is a premium 420mm all-in-one CPU liquid cooler designed to deliver exceptional thermal performance, class-leading acoustics, and outstanding long-term reliability. Built upon the proven Asetek Emma V2 platform and enhanced with Noctua's own acoustic innovations, the NL-LC1-42 combines a large 420mm radiator with three award-winning NF-A14x25 G2 PWM fans to provide outstanding cooling headroom for today's most demanding desktop processors. Every component has been carefully refined to meet the exceptionally high standards that have made Noctua one of the most respected names in PC cooling.

Compatible with the latest Intel LGA1851, LGA1700, AMD AM5 and AM4 platforms, the NL-LC1-42 features Noctua's SecuFirm2+ mounting system, premium NT-H2 thermal compound, and the innovative NL-PNA1 pump noise absorber for remarkably quiet operation. Designed for enthusiasts, gamers, workstation users, and overclockers alike, it delivers flagship cooling performance while maintaining the refined acoustic characteristics that define Noctua products.

State-of-the-Art AIO Platform

At the heart of the NL-LC1-42 is the premium Asetek Emma V2 platform, chosen for its proven cooling capability, efficiency, and long-term dependability. Combined with a high-quality copper cold plate featuring precision skived microchannels, the cooler is engineered to maximise heat transfer from modern high-performance processors, delivering outstanding thermal performance across demanding workloads while maintaining reliable operation over years of continuous use.

Innovative Pump Noise Absorber

Exclusive to the NL-LC1 series, the integrated NL-PNA1 pump noise absorber significantly reduces both airborne pump noise and vibration through a sophisticated three-layer acoustic structure and tuned mass damper design. This innovative approach allows the pump to operate more quietly without compromising cooling performance, helping the cooler achieve the exceptionally refined acoustic profile expected from a Noctua solution.

Triple NF-A14x25 G2 Fans

Cooling is provided by three premium NF-A14x25 G2 PWM 140mm fans, specifically selected to maximise the performance potential of the 420mm radiator. Featuring speed-offset optimisation to minimise acoustic harmonics, the fans deliver exceptional airflow, high static pressure, and remarkably quiet operation, ensuring efficient heat dissipation even under sustained high-load conditions.

Quiet Performance Without Compromise

The combination of the advanced pump platform, acoustic pump isolation, premium radiator design, and Noctua's flagship cooling fans enables the NL-LC1-42 to deliver outstanding cooling performance while maintaining impressively low operating noise. Multiple pump operating profiles allow users to balance maximum thermal performance with near-silent operation, making the cooler equally well suited to high-performance gaming systems and professional workstations.

Premium Installation Experience

Installation is simplified through Noctua's acclaimed SecuFirm2+ multi-socket mounting system, offering broad compatibility across current Intel and AMD platforms, including offset mounting options for selected processors. The package also includes Noctua's NT-H2 thermal compound, the NM-SD1 Torx screwdriver, NA-CW1 cleaning wipes, and comprehensive mounting hardware, providing everything required for a straightforward and professional installation experience.

Built for Long-Term Reliability

Every aspect of the NL-LC1-42 has been engineered with durability in mind, from the high-quality braided EPDM tubing and robust radiator construction to the ceramic-bearing pump assembly and premium cooling fans. Backed by a comprehensive six-year manufacturer's warranty, the cooler is designed to provide dependable, maintenance-free operation throughout the lifetime of a high-performance PC.

Compatibility

The Noctua NL-LC1-42 supports AMD AM5 and AM4 processors alongside Intel LGA1851 and LGA1700 platforms using the included SecuFirm2+ multi-socket mounting system. Offset mounting support is also provided for compatible AMD AM5 and Intel LGA1851 processors to further optimise cooling performance where supported.

• 420mm all-in-one liquid CPU cooler.
• Premium Asetek Emma V2 cooling platform.
• Triple NF-A14x25 G2 PWM 140mm fans.
• Innovative NL-PNA1 pump noise absorber.
• Copper microchannel cold plate.
• 420mm aluminium radiator.
• SecuFirm2+ multi-socket mounting system.
• Supports AMD AM5 and AM4 processors.
• Supports Intel LGA1851 and LGA1700 processors.
• Includes NT-H2 thermal compound.
• Includes NM-SD1 Torx screwdriver.
• Six-year manufacturer's warranty.