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The Noctua NH-U9 TR4-SP3 is a premium CPU cooler designed specifically for AMD's sTRX4, TR4, and SP3 platforms, including Ryzen Threadripper and Epyc processors. Featuring dual 92mm NF-A9 PWM fans, it delivers 78.9 CFM airflow at a whisper-quiet 22.8 dB noise level. Its compact 4U server-compliant design fits tight cases and PCIe slots, while copper and nickel-plated components ensure superior heat dissipation and durability. Backed by over 300 industry awards, it’s the trusted choice for high-end workstation cooling.








| Manufacturer | Noctua |
| Part number | NH-U9 TR4-SP3 |
| Item Weight | 1 Kilograms |
| Product Dimensions | 9.5 x 12 x 12.5 cm; 1 kg |
| Is Discontinued By Manufacturer | No |
| Color | browns |
| Material | Copper (base and heat pipe), aluminum (cooling fins), soldered and nickel plated |
| Voltage | 12 Volts |
| Airflow | 78.9 CMPH |
| Noise Level | 22.8 dB |
| Batteries Included | No |
| Batteries Required? | No |
| Item Dimensions LxWxH | 9.5 x 12 x 12.5 cm |
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