The Noctua NF-A12x15 FLX is a premium-grade 120 mm fan engineered for ultra-slim applications where space is limited but cooling performance and silence are still essential. At only 15 mm thick, it’s ideal for low-profile CPU coolers, SFF builds, and tight case clearances. Optimized with Noctua’s advanced aerodynamic features and FLX (Flexible) speed control via low-noise adapters, it ensures versatile and near-silent operation in analog-controlled systems.

Key Features:

Ultra-slim 120 mm form factor (only 15 mm thick)

Advanced aerodynamic design with Flow Acceleration Channels

FLX version with 3-pin connection and 3 speed profiles

SSO2 bearing for long-term stability and near-silent operation

Anti-vibration mounts and low-noise adapters included

Specifications:

Dimensions: 120 x 120 x 15 mm

Weight: 140 g

Materials: Fiberglass-reinforced PBT frame, metal bearing shell

Speed (FLX profiles):

• 1850 RPM (Max)

• 1400 RPM (with L.N.A.)

• 950 RPM (with U.L.N.A.)

Airflow: Up to 55.4 m³/h
Noise Level: 16.8 dB(A) (with U.L.N.A.)
Bearing: SSO2 (Self-Stabilising Oil-pressure Bearing)

Connector: 3-pin

Input Power: 1.56 W
Voltage: 12V
MTTF: >150,000 hours

Connectivity / Compatibility:

• Compatible with 3-pin motherboard headers and fan controllers

• Ideal for SFF cases, low-profile CPU coolers, or space-constrained radiators

• Fits standard 120 mm fan mounts

Additional Features:

• Includes L.N.A. and U.L.N.A. for flexible noise tuning

• Integrated anti-vibration pads on all corners

• Designed for applications where 25 mm fans won’t fit

Customer Benefits:
The NF-A12x15 FLX delivers excellent cooling performance in ultra-slim spaces without sacrificing acoustics or quality. It’s the perfect fan for builds where every millimeter counts and quiet performance is non-negotiable.

What’s in the Box:

1x NF-A12x15 FLX 120 mm Fan

4x Vibration-compensating fan mounts

3-pin Extension cable

Low-Noise Adapter (L.N.A.)

Ultra-Low-Noise Adapter (U.L.N.A.)

Screws and user manual

Compliance:
This product meets all applicable European and international standards (CE, RoHS, REACH, WEEE). It has been designed and tested for maximum safety, performance, and environmental responsibility.

Manufacturer Contact:
Company Name: Noctua GmbH
Address: Lastenstraße 19, 4020 Linz, Austria
Email: support(at)noctua(dot)at