Noctua NL-LC1-42 420mm Black / Brown All in One Liquid CPU Cooler
Noctua NL-LC1-42 420mm Black / Brown All in One Liquid CPU Cooler
Scan code: LN172381 Manufacturer code: NL-LC1-42
£249.98Item overdue since 17 August 2026
Pre order

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

Noctua NL-LC1-42 420mm AIO Hydro CPU Cooler, Black / Brown, 3 x NF-A14x25 G2, NL-PNA1 Pump, Intel / AMD

Scan code: LN172381 Manufacturer code: NL-LC1-42
£249.98
£5.48 Next day delivery
Item overdue since 17 August 2026
Pre order
Pay in 3 interest-free payments of £83.33

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420mm All-In-One Intel/AMD Liquid CPU Cooler from Noctua

420mm All-In-One Intel/AMD Liquid Cooler from Noctua.

First-Class Cooling The Noctua NL-LC1-42 is a premium 420mm all-in-one liquid cooler engineered for users who demand exceptional cooling performance without compromising on acoustic comfort. Built on the proven Asetek Emma V2 platform, it combines three flagship NF-A14x25 G2 fans with Noctua's innovative NL-PNA1 pump noise absorber to minimise noise and vibration. Featuring the trusted SecuFirm2+™ mounting system and NT-H2 thermal compound, the NL-LC1-42 delivers the reliability, quiet operation and uncompromising quality that define the Noctua brand.

420mm Radiator Form Factor

AM5/AM4 AMD Socket

1700/1851/1954 Intel Socket

Industry-Leading Performance & Reliability

Proven Asetek Emma V2 Platform.

Proven Asetek Emma V2 Platform For over 20 years, Asetek has led all-in-one liquid cooling, with the Emma V2 premium platform delivering refined, proven technology, exceptional performance, and reliable operation.

NL-PNA1 Pump Noise Absorber.

NL-PNA1 Pump Noise Absorber The NL-LC1 series is the first all-in-one liquid cooler with an integrated pump noise absorber, reducing airborne noise and vibrations for quieter operation.

SecuFirm2+™ Multi-Socket Mounting System.

SecuFirm2+™ Multi-Socket Mounting System The NL-LC1 uses Noctua’s proven SecuFirm™ mounting system, supporting easy installation, future upgrades, legacy compatibility, and AMD AM5/AM4 plus Intel LGA1851/1700 sockets.

State-of-the-Art NF-A14x25 G2 Fans.

State-of-the-Art NF-A14x25 G2 Fans The NL-LC1-42 includes three flagship NF-A14x25 G2 PWM fans, delivering class-leading cooling efficiency, low noise, and advanced features, including resonance-avoiding speed offset.

Further Resources

NL-PNA1 Pump Noise Absorber.

NL-PNA1 Pump Noise Absorber The NL-LC1 series is the world's first all-in-one liquid cooler to feature an integrated pump noise absorber that leverages accoustic soundproofing and the tuned-mass damper effect.

SecuFirm2+™ mounting system.

Achieve Lower Temperatures Noctua's SecuFirm2+™ mounting system ensures optimal force transfer and contact pressure, which can give the NL-LC1 a slight edge over other Emma V2 based coolers.

Asetek Emma V2 closed-loop liquid cooling.

Asetek Emma V2 The Asetek Emma V2 closed-loop liquid cooling represents the pinnacle of Asetek's evolution over the last two decades at the forefront of all-in-one liquid cooling.

NL-LC1 pump mode switch.

Pump Speed Profiles The NL-LC1 series' pump comes with an integrated mode switch that makes it possible to choose between three settings (Quiet, Balanced and Manual).

Specifications
Cooler Specifications
Edition Noctua NL-LC1-42
Cooler Form Factor 420mm All-In-One Hydro Cooler
Heatpipes  
Cooler Features
  • Aluminium Fins
  • Ceramic Pump Bearings
  • Copper Base
  • Includes Y-Cable
  • Vibration-Isolating Elements
Socket Compatibility
  • 1700
  • 1851
  • AM4
  • AM5
Max. TDP  
Fan Specifications
Included Fan Configuration 3 x 140mm
PWM Fan Yes
Fan Bearing Type SSO2
Fan Colour Beige/Brown
LED Lighting  
Fan/Pump Connectors 1 x 4-pin PWM
Max. Fan Speed 1500 rpm
Max. Fan Airflow 91.58 CFM
Max. Air Pressure 2.56 mm H²O
Max. Sound Level 24.8 dBA
Materials
Cooler Materials Aluminium / Copper
Included TIM (Thermal Interface Material) Included
Dimensions & Weight
Heatsink/Radiator Dimensions 459.5 x 30 x 143.7 mm (WxHxD)
Total Dimensions  
Weight 2289 g
Additional Information
Scan Code LN172381
Model Number NL-LC1-42
GTIN 9010018000566
Warranty

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Details
Duration:
72 months
Type:
Direct
RTB Period:
12 months
Manufacturer Contact Details
Manufacturer:
Noctua
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Buying Guide
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Noctua NL-LC1-42 420mm Black / Brown All in One Liquid CPU Cooler
Noctua NL-LC1-42 420mm Black / Brown All in One Liquid CPU Cooler

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