Proven Asetek Emma V2 Platform
Built on Asetek's renowned Emma V2 platform for exceptional cooling performance and long-term reliability.

NL-PNA1 Pump Noise Absorber
Noctua's innovative acoustic solution reduces both airborne noise and structure-borne vibrations for quieter operation.

SecuFirm2+™ Multi-Socket Mounting System
Provides easy installation, broad socket compatibility, optimized contact pressure, and future upgradeability.

State-of-the-Art NF-A14x25 G2 Fans
Equipped with three premium NF-A14x25 G2 140mm PWM fans for outstanding cooling efficiency, low noise levels, and refined acoustics.

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Three Pump Speed Profiles
Choose between Quiet, Balanced, and Manual modes to fine-tune the balance between cooling performance and noise levels.
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Three-Layer Soundproofing Structure
The NL-PNA1 pump noise absorber utilizes a three-layer acoustic design to effectively reduce unwanted pump noise.
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Tuned-Mass Damper Vibration Reduction
Tuned-mass damper technology minimizes structure-borne vibrations for quieter and smoother operation.
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Self-Bleeding Start-Up Mechanism
Automatically removes trapped air during start-up to ensure stable operation and long-term reliability.
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Automatic Liquid Temperature Monitoring and RPM Boost
Continuously monitors coolant temperature and automatically increases pump speed when additional cooling performance is required.
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420mm Size for Ultimate Performance
The combination of a 420mm radiator and 140mm fans delivers the highest cooling performance within the NL-LC1 series.
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Slim Profile for Optimal Compatibility
The compact design ensures excellent compatibility with memory modules and motherboard components.
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State-of-the-Art NF-A14x25 G2 Fans
Equipped with three next-generation NF-A14x25 G2 PWM fans for exceptional airflow, static pressure, and low-noise operation.
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Fan Speed Offset for Optimal Acoustics
Slight speed offsets between the three fans help prevent resonance and beat-frequency noise.
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Optional NL-ACF1 80mm Auxiliary Fan (Available Separately)
Provides additional cooling for VRMs, memory modules, M.2 SSDs, and other components around the CPU socket area.
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SecuFirm2+™ Multi-Socket Mounting System
Offers easy installation, broad socket compatibility, and future upgradeability.
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Optimised Contact Pressure
Enhances thermal transfer efficiency through carefully optimized mounting pressure.
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Offset Mounting Options for AMD and Intel
Improves cooling performance by positioning the cooler over the CPU's hottest areas.
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Compatibility with Past and Future Sockets
Designed to support both current and upcoming CPU socket platforms.
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NT-H2 Thermal Compound Included
Comes with Noctua's award-winning NT-H2 thermal compound for outstanding thermal performance.
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Thermal Paste Guard for AMD AM5
Prevents thermal paste from entering the cut-out areas around AMD AM5 CPUs, simplifying application and cleanup.
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6-Year Manufacturer's Warranty
Backed by Noctua's renowned 6-year warranty for long-term peace of mind.
| Pump model | Asetek Emma V2 |
| Socket compatibility | AMD AM5, AM4Intel LGA1954, LGA1851, LGA1700 |
| Radiator form factor | 420 mm |
| Fan configuration | 3 × NF-A14x25 G2 |
| NSPR | 268* |
| Warranty | 6 years |
※NSPR (Noctua Standardised Performance Rating) is Noctua's performance rating
and compatibility classification system for CPU coolers.
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NL-LC1-42 closed-loop liquid cooler with NL-PNA1 pump noise absorber
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Metal Noctua logo faceplate
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3x NF-A14x25 G2 PWM fans with speed-offset (PPA/PPB/PPA)
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3x NA-AVG2-LR anti-vibration gaskets (pre-installed)
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NA-SC1 3-way splitter cable
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NA-EC1 30cm extension cable
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Fan and radiator mounting screws (Torx® T20)
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SecuFirm2+™ multi-socket mounting system with offset options for
AMD AM5/AM4 and Intel LGA1851/1700 -
NM-SD1 Torx® T20 screwdriver
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NT-H2 thermal compound
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NA-CW1 cleaning wipe
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NA-TPG1 thermal paste guard for AMD AM5
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Noctua metal case badge
The latest compatibility information is available through the Noctua Compatibility Centre (NCC) on the official Noctua website.
The Noctua NL-LC1-42 is a premium 420mm all-in-one liquid CPU cooler that combines outstanding cooling performance, ultra-quiet operation, and long-term reliability.
Built on Asetek’s proven Emma V2 platform, it pairs Noctua’s proprietary acoustic technologies with the latest NF-A14x25 G2 fans to deliver exceptional thermal performance and a remarkably refined acoustic profile. In addition, the renowned SecuFirm2+™ mounting system ensures easy installation and broad compatibility, making the NL-LC1-42 a high-quality liquid cooling solution designed for years of dependable operation.
Noctua NL-LC1-42 420mm all-in-one liquid cooler
- Brand: Noctua
- Product Code:NL-LC1-42
- Availability:Pre-Order
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¥52,800
- Ex Tax:¥48,000
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Tags: Noctua, CPU cooler, liquid cooler, AIO cooler







