The Noctua NH-D9 DX-4677 4U is a powerful and compact CPU air cooler specifically designed for the LGA 4677 socket to optimally cool Intel Xeon "Sapphire Rapids" processors. With its dual-tower design and two high-performance 92mm fans, this cooler provides excellent cooling performance, making it ideal for 4U form factor servers and workstations. The NH-D9 DX-4677 4U is based on the proven NH-D9L heatsink and features a larger contact area to maximize heat transfer. The fans are PWM controllable, allowing for adjustable speeds to minimize noise while ensuring efficient cooling. The pre-applied NT-H1 thermal paste simplifies installation and ensures immediate optimal heat transfer. The professional SecuFirm2 mounting system guarantees secure and easy installation, making the NH-D9 DX-4677 4U an ideal choice for demanding applications.

• Dual-tower design for improved cooling performance
• Optimized for Intel Xeon processors with LGA 4677 socket
• Two PWM-controllable 92mm fans for customizable performance
• Pre-applied NT-H1 thermal paste for easy installation
• Professional SecuFirm2 mounting system for secure installation.