The Noctua NM-I4677 is a dedicated mounting upgrade kit that enables Noctua’s industrial and professional CPU coolers to support Intel’s LGA4677 platform, used in Xeon-based workstations and servers. Designed for compatibility with both square and narrow ILM (Independent Loading Mechanism) types, it allows secure, performance-optimized installation of models such as NH-U14S DX-4677 or NH-D9 DX-4677 4U on the latest Intel Xeon Scalable processors.

Key Features:

Supports Intel LGA4677 (Sapphire Rapids Xeon platform)

Compatible with both Square ILM and Narrow ILM socket layouts

Designed for use with Noctua DX-4677 series coolers

High-pressure mounting bar and reinforced steel brackets for server-grade reliability

Easy installation with included Torx® tool

Specifications:

• Socket Compatibility: Intel LGA4677 (Narrow ILM & Square ILM)

• Cooler Compatibility: NH-U14S DX-4677, NH-U9 DX-4677, NH-D9 DX-4677 4U

• Materials: Nickel-plated steel mounting bars, precision-machined standoffs

• Tools Required: Torx T20 (included)

• Design Origin: Austria

Additional Features:

• Optimized contact pressure for large LGA4677 IHS layout

• Long-life mounting with vibration-resistant stability

• Designed for continuous operation in 24/7 server environments

• Includes all hardware necessary for both ILM variants

Customer Benefits:
The NM-I4677 provides data center-grade reliability and precise cooler-to-CPU pressure tuning on Intel’s most demanding enterprise socket. It ensures optimal thermal performance and safe mounting for mission-critical Xeon builds.

What’s in the Box:

• Mounting bars for Square and Narrow ILM

• Reinforced brackets and screws

• Torx T20 installation tool

• Illustrated installation manual

Compliance:
Engineered to meet server-industry standards for structural integrity and socket compatibility. Fully compliant with CE, RoHS, and REACH guidelines.

Manufacturer Contact:
Company Name: Noctua GmbH
Address: Josef-Preis-Allee 18, 8020 Graz, Austria
Email: support(at)noctua(dot)at