The Noctua NH-L12S is a premium low-profile CPU cooler designed for compact and small form factor (SFF) builds where height and clearance are critical. Featuring a slim 120mm NF-A12x15 PWM fan and a flexible top- or bottom-mounted configuration, it delivers excellent thermal performance while maintaining full RAM and PCIe clearance in most ITX or HTPC environments. Engineered with Noctua’s signature quiet cooling and robust SecuFirm2™ mounting, the NH-L12S is the ideal solution for compact high-performance systems.

Key Features:

• Low-profile design with 70mm total height (with fan below fins)

• Equipped with NF-A12x15 PWM premium slim fan for excellent airflow-to-noise ratio

• Flexible fan placement: bottom for lower height or top for improved RAM clearance

• 100% RAM and PCIe compatibility on most ITX and µATX boards

• Includes SecuFirm2™ mounting system and Noctua NT-H1 thermal compound

Specifications:

• Dimensions:

  • 128 x 146 x 70 mm (L x W x H with fan underneath)

  • 128 x 146 x 85 mm (H with fan on top)

• Weight:

  • 550 g (without fan)

  • 660 g (with fan)

• Materials: Copper base and heatpipes, aluminum fins, nickel-plated

• Heatpipes: 4

• Fan: 1x NF-A12x15 PWM (120 x 120 x 15 mm)

• Fan Speed: 450 – 1850 RPM ±10%

• Airflow: 94.2 m³/h

• Static Pressure: 1.53 mm H₂O

• Acoustic Noise: 23.9 dB(A)

• Bearing: SSO2

• Rated Voltage: 12V DC

• MTTF: >150.000 h

Connectivity / Compatibility:

• Intel: LGA1851, LGA1700, LGA1200, LGA115x

• AMD: AM5, AM4

• Compatible with most ITX, SFF, and HTPC enclosures

Additional Features:

• Low-Noise Adapter (L.N.A.) and fan extension cable included

• Reversible fan mounting for layout-specific airflow tuning

• Excellent choice for APU systems or compact gaming builds

• 6-year manufacturer warranty

Customer Benefits:
Perfectly tailored for SFF and HTPC systems, the NH-L12S combines Noctua’s legendary acoustic performance with impressive cooling in ultra-compact environments. Whether building a silent workstation or a powerful mini gaming rig, this cooler provides exceptional flexibility and compatibility.

What’s in the Box:

• NH-L12S heatsink

• 1x NF-A12x15 PWM fan

• Low-Noise Adapter (L.N.A.)

• 4x Fan screws

• SecuFirm2™ mounting kits for Intel & AMD sockets

• NT-H1 thermal paste

• Screwdriver

• Installation Manual

Compliance:
Complies with CE, RoHS, and REACH standards. Manufactured and tested to Noctua’s strict quality and environmental specifications.

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