Noctua NH-U9 DX-4677

CPU Cooling

Noctua NH-U9 DX-4677 Main Picture

The Noctua NH-U9 is a high-end heatsink and fan cooling system, featuring a pair of in-line 92mm fans. By using smaller fans than 120 and 140mm designs, this model is able to better fit motherboards where larger versions would block the top PCI-Express slot as well as in slimmer chassis. As with all Noctua models, it provides excellent cooling with quiet operation - though it does sacrifice a little in both of those metrics compared to bigger tower coolers.

This particular variant, the NH-U9 DX-4677, is specifically designed to fit Intel LGA 4677 socket processors like the Xeon W-2400 and W-3400 series.

Model: Noctua NH-U9 DX-4677


Length 120 mm (4.7 in)
Width 95 mm (3.7 in)
Height 125 mm (4.9 in)
Net Weight 0.895 kg (2.0 lbs)
Fan Specifications
Air Flow 46.4 CFM
Bearing Dual Ball Bearing
Fan Size 92 mm (3.6 in)
Fan Speed 2,000 RPM
Noise Level 22.8 dBa
Compatibility Intel LGA4677