Noctua NH-U14S DX‑4677 CPU Cooler

Noctua NH-U14S DX‑4677 CPU Cooler

CPU Cooler • Noctua • $ 139.95

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The Noctua NH-U14S DX-4677 CPU Cooler is a premium air cooling solution engineered specifically for Intel LGA 4677 platforms, including Xeon W-3400 and W-2400 series processors. With its dual 140mm fans, eight copper heatpipes, and a full copper base plate, this cooler delivers exceptional thermal performance while maintaining the legendary quiet operation Noctua is known for.

Who Is It For?

This cooler is ideal for professionals and enthusiasts who rely on high-core-count Intel Xeon workstations for demanding tasks such as 3D rendering, scientific simulations, video editing, and software compilation. If you own a Xeon W9-3495X or W9-3475X and need reliable cooling without the complexity of liquid cooling, the NH-U14S DX-4677 is a perfect match.

Key Features

  • LGA 4677 Compatibility: Specifically designed for Intel Xeon W-3400/2400 series sockets, ensuring a perfect fit and optimal contact pressure.
  • Dual NF-A15 Fans: Two premium 140mm fans provide high airflow (up to 140.2 m³/h) while keeping noise levels as low as 24.6 dB(A).
  • Eight Heatpipes: A robust array of eight copper heatpipes efficiently transfers heat from the CPU to the fin stack.
  • Full Copper Base: The nickel-plated copper base ensures excellent thermal conductivity and even heat distribution.
  • Proven Performance: In independent tests, this cooler successfully cooled a 56-core Xeon W9-3495X drawing 700W without thermal throttling, even under full load.
  • Quiet Operation: Noctua's advanced aerodynamic design and SSO2 bearings minimize noise, making it suitable for quiet work environments.

Performance Highlights

The NH-U14S DX-4677 is not just about specs; it delivers real-world results. Its ability to handle a 700W power draw from a 56-core processor is a testament to its engineering. Whether you're running multi-hour renders or complex simulations, this cooler maintains stable temperatures, ensuring your CPU performs at its best without throttling.

Use Cases

  • Professional workstations for 3D animation and visual effects.
  • Data analysis and machine learning workloads.
  • High-end content creation and video production.
  • Server and workstation builds where reliability and low noise are critical.

With a weight of just 1,136g and a height of 165mm, the NH-U14S DX-4677 fits most mid-tower and full-tower cases, offering a hassle-free installation. Noctua's renowned build quality and six-year warranty make this cooler a long-term investment in your system's stability.

Key Specifications

Cooling Type: Air (tower-style heatsink with dual fans)
Socket Compatibility: LGA 4677 (Xeon W‑3400/2400 series), including W9‑3475X and W9‑3495X
Fan Configuration: Two Noctua NF‑A15 HS‑PWM 140 mm fans
Fan Speed: 300 – 1,500 RPM
Airflow: ~140.2 m³/h (~82.4 CFM)
Noise Level: ~24.6 dB(A) at max speed
Cooling Performance: Demonstrated ability to cool a 56‑core Xeon W9‑3495X drawing 700 W power without thermal throttling, maintaining stable temps even at full load
Weight: ~1,136 g with fans installed
Heat-pipe Count: Eight copper heat-pipes with full copper base plate

Detailed Parameters

Supported Sockets:
LGA 4677
Height in mm:
165

Where to Buy

Pros

  • Exceptional cooling for high-TDP Xeon W-3400/2400 processors
  • Dual 140mm fans provide high airflow with low noise
  • Eight heatpipes and copper base ensure efficient heat transfer
  • Easy installation with SecuFirm2 mounting system
  • Noctua's renowned build quality and 6-year warranty

Cons

  • Large heatsink may not fit in compact cases
  • Premium price compared to generic coolers
  • Limited to LGA 4677 socket only

Frequently Asked Questions

Is the Noctua NH-U14S DX-4677 compatible with LGA 4677 Xeon W-3400 and W-2400 processors?

Yes, it is specifically designed for Intel LGA 4677 sockets, supporting both Xeon W-3400 and W-2400 series, including the W9-3495X and W9-3475X.

How many fans are included with the NH-U14S DX-4677?

The cooler includes two Noctua NF-A15 HS-PWM 140mm fans, which can be controlled via PWM for optimal balance between airflow and noise.

Can this cooler handle a 700W processor like the Xeon W9-3495X?

Yes, in tests, the NH-U14S DX-4677 successfully cooled a 56-core Xeon W9-3495X drawing 700W without thermal throttling, maintaining stable temperatures under full load.

What is the height of the cooler?

The cooler has a height of 165mm, so make sure your case has sufficient CPU cooler clearance (typically at least 170mm).

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Noctua NH-U14S DX‑4677 CPU Cooler
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