Noctua NH-D9 AMP 4926 4U Air CPU Cooler

The Noctua NH-D9 AMP 4926 4U is a premium-grade 92mm dual-tower cooler specifically optimized for 4U server racks and compact cases where height restrictions demand exceptional cooling performance in a low-profile design.

4U-Optimized Cooling Performance:

Dual-Tower 92mm Design:

Featuring two NF-A9 PWM fans in push-pull configuration between dual heatsink towers, the NH-D9 AMP delivers exceptional thermal performance while maintaining just 95mm total height – perfect for 4U rackmount applications (1U = 44.45mm).

Server-Grade Cooling:

Engineered for 24/7 operation in demanding environments, the cooler’s symmetrical design ensures optimal performance regardless of installation orientation, making it ideal for server and workstation builds.

Technical Specifications:

• Model: NH-D9 AMP 4926 4U
• Height: 95mm (4U compatible)
• Width: 120mm
• Depth: 95mm
• Weight: 769g
• Fans: 2x NF-A9 PWM (92mm)
• Fan Speed: 600-2500 RPM (±10%)
• Max. Noise Level: 22.8 dB(A)
• Airflow: 78.9 m³/h per fan
• Socket Compatibility: Intel LGA1851/1700/1200/115x, AMD AM5/AM4
• TDP Rating: Up to 180W
• MTTF: >150,000 hours

Specialized 4U Features:

Low-Profile Excellence:

With its 95mm total height, the NH-D9 AMP fits perfectly in 4U chassis (177.8mm maximum cooler height) while outperforming many taller coolers thanks to its dual-tower design and premium-grade NF-A9 fans.

AMP-Optimized Mounting:

Includes Noctua’s Advanced Mounting Pressure (AMP) system that ensures ideal contact pressure for maximum heat transfer across all supported sockets, including the latest Intel LGA1851 and AMD AM5 platforms.

Professional-Grade Accessories:

• NT-H2 premium thermal compound
• SecuFirm2+ mounting system
• Low-noise adapters (L.N.A.)
• 4-pin PWM y-cable
• Anti-vibration pads
• Compatibility checkers for all supported sockets

Explore more high-performance CPU coolers or visit Noctua’s official product page for detailed specifications.