Noctua NH-U9S 92mm Single-Tower CPU Cooler with 5 Heatpipes — NF-A9 PWM Fan, SecuFirm2 Mounting for Intel & AMD, NT-H1 Thermal Compound, 125mm Height, Quiet Operation

General Information

• Type: Compact air CPU cooler designed for small form factor builds
• Use Case: Ideal for mini-ITX cases, HTPCs, and systems where space is limited but strong cooling performance is required
• Design Highlights:
  • Asymmetrical layout to avoid RAM and PCIe interference
  • Slim footprint with full compatibility on modern motherboards
• Warranty: 6 years – standard for Noctua coolers

Cooling Performance & Dimensions

• Dimensions: 125 mm (Height) x 95 mm (Width) x 68 mm (Depth)
• Weight: 618g (with fan) – lightweight yet highly efficient
• Heatpipes: 5 x 6mm nickel-plated copper heatpipes
• Heatsink Material: Aluminum fin stack with nickel-plated copper base
• Footprint: 95 x 95 mm – ensures full RAM and PCIe slot clearance
• Thermal Paste Included: NT-H1 high-grade thermal compound pre-applied

Included Fan: NF-A9 PWM (92mm)

• Fan Size: 92 x 92 x 14 mm
• Max Fan Speed: Up to 2000 RPM ±10%
• Reduced Speed Mode: Can be adjusted to 1550 RPM using included Low-Noise Adapter
• Airflow: Up to 78.9 m³/h – excellent for compact heatsinks
• Noise Level:
  • Max 22.8 dB(A) at full speed
  • Down to 16.3 dB(A) with Low-Noise Adapter
• Bearing Type: SSO2 (Self-Stabilizing Oil Pressure Bearing) – long life and consistent performance
• Fan Connector: 4-pin PWM – supports motherboard-controlled speed regulation
• Optional Dual-Fan Support: Can be upgraded with a second NF-A9 fan for improved cooling in restricted airflow environments

Compatibility

• Intel Sockets Supported:
  • LGA1851
  • LGA1700
  • LGA1200
  • LGA115x series (1150, 1151, 1155, 1156)
• AMD Sockets Supported:
  • AM5
  • AM4
• Motherboard Compatibility: Works with ATX, Micro-ATX, and Mini-ITX boards
• Memory Clearance: Designed to avoid tall DDR4/DDR5 memory modules
• Mounting System: SecuFirm2 multi-socket kit included – tool-free installation possible