The Noctua NH-U9 TR4-SP3 is a premium compact CPU cooler custom-built for AMD’s sTRX4, TR4, and SP3 sockets. Designed for environments with limited space—like compact workstations and 4U rackmount cases—it combines high thermal efficiency with minimal acoustic footprint, making it the ideal choice for Threadripper and EPYC systems requiring silent, reliable cooling.

Key Features:

Tailor-made base plate for full IHS coverage on AMD sTRX4/TR4/SP3 sockets

Dual NF-A9 PWM fans ensure excellent airflow and low-noise operation

Compact height (125mm) ideal for 4U rackmount and small workstation cases

SecuFirm2™ mounting system for secure, pressure-optimized installation

NT-H1 thermal compound pre-applied for maximum thermal conductivity

Specifications:

• Dimensions (with fans): 125 x 95 x 120 mm

• Weight (with fans): 895 g

• Materials: Copper (base and heatpipes), aluminium (fins), nickel plating, soldered joints

• Socket Compatibility: AMD sTRX4, TR4, SP3 only

• Fans: 2 × NF-A9 PWM 92mm

• Fan RPM: 400–2000 RPM ±10%

• Airflow: up to 78.9 m³/h (per fan)

• Acoustics: max. 22.8 dB(A)

• Power Connector: 4-pin PWM

• Max TDP: ~160W+ (depending on airflow configuration and CPU)

Additional Features:

• Ideal for high-density platforms with strict clearance requirements

• 100% RAM and PCIe compatibility

• Proven reliability for continuous 24/7 operation

• Option to use a single fan for quieter or ultra-compact configurations

Customer Benefits:
Perfect for professional-grade builds using AMD HEDT or server CPUs in compact cases or racks, the NH-U9 TR4-SP3 ensures stable, silent cooling with full IHS contact and zero RAM/GPU obstruction.

What’s in the Box:

• NH-U9 TR4-SP3 CPU cooler

• 2 × NF-A9 PWM 92mm fans

• Low-Noise Adapters (L.N.A.)

• Y-cable splitter

• NT-H1 high-grade thermal paste (pre-applied)

• SecuFirm2™ mounting kit for TR4/SP3 sockets

• Noctua metal case badge

• Installation guide

Compliance:
This product meets all applicable CE, RoHS, REACH, and WEEE standards. Engineered in Austria for robust thermal management, energy efficiency, and long-term performance in critical computing environments.

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