The Noctua NH-D9DX i4 3U is a high-performance 92mm dual-tower CPU cooler tailored for Intel Xeon workstations and servers. With its compact 3U-compatible height of 110mm and excellent RAM and PCIe clearance, it is an ideal solution for rackmount systems, dense workstations, and noise-sensitive industrial builds. Featuring Noctua’s pro-grade NF-A9 PWM fan and full support for Intel’s LGA2011, LGA2066, LGA1356, and LGA1366 platforms, it delivers quiet, dependable cooling under demanding thermal loads.

Key Features:

3U height compatibility (110mm) for server and workstation chassis

Supports Intel LGA2011 (Square and Narrow ILM), LGA2066, LGA1356, and LGA1366 sockets

Dual-tower heatsink design with one premium NF-A9 PWM fan (second fan optional)

100% RAM and PCIe slot clearance on most server motherboards

Reliable SSO2 bearing and >150,000h MTTF for continuous 24/7 operation

Specifications:

• Dimensions (with fan): 110 x 95 x 114 mm (H x W x D)

• Weight (with fan): 640 g

• Compatibility:

  • Intel LGA2011-0 / LGA2011-3 / LGA2066 (Square ILM & Narrow ILM)

  • Intel LGA1356, LGA1366

• Fan: 1 × NF-A9 PWM

• Fan Speed: 400–2000 RPM ±10%

• Airflow: up to 78.9 m³/h

• Static Pressure: 2.28 mm H₂O

• Acoustics: max. 22.8 dB(A)

• Max TDP Support: ~125W+ (platform dependent)

• Bearing Type: SSO2

• Power Connector: 4-pin PWM

Additional Features:

• Optional dual fan setup with included second fan clips

• Factory pre-applied NT-H1 thermal paste

• Highly optimized for reliability in continuous-operation environments

• Compact footprint ensures ease of integration in rackmount systems

Customer Benefits:
The NH-D9DX i4 3U offers server-grade cooling performance in a low-profile 3U format, delivering maximum reliability, minimal noise, and hassle-free compatibility for high-density Xeon builds or professional workstations.

What’s in the Box:

• Noctua NH-D9DX i4 3U heatsink

• NF-A9 PWM fan (pre-installed)

• Second fan mounting clips

• NT-H1 thermal paste (pre-applied)

• Mounting hardware for Intel Square/Narrow ILM

• Installation manual

Compliance:
This product meets CE, RoHS, REACH, and WEEE regulations. Engineered in Austria for mission-critical deployments with Noctua’s renowned focus on quality and longevity.

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