The Noctua NA-IS1-14 chromax.black is a set of two high-grade anti-vibration spacers designed to reduce structure-borne noise and intake turbulence in 140 mm fan installations. Made from flexible, durable silicone, these spacers help decouple fans from cases or radiators, minimizing hum and vibration without obstructing airflow. Optimized for acoustic refinement in stealth or performance builds.

Key Features:

Set of 2 silicone spacers for 140 mm Noctua fans

Reduces vibration and low-frequency noise

Optimized for use on radiators, mesh intakes, or side panels

Matte black chromax finish matches modern stealth builds

Flexible and durable construction for long-term installation

Specifications:

Dimensions: 140 x 140 x 5 mm (per spacer)

Weight: Approx. 20 g per spacer (40 g total)

Materials: Soft-touch silicone rubber (black)

Connectivity / Compatibility:

• Compatible with all standard Noctua 140 mm fans (except NF-A14 industrialPPC-24V and slim models)

• Works with standard 140 mm fan mounts on cases and radiators

Additional Features:

• Includes 8x extended fan screws for use with spacers

• Fully preserves airflow and PWM control

• Improves acoustic profile in high-RPM or vibration-sensitive builds

• Pairs well with Noctua chromax.black.swap fans

Customer Benefits:
Ideal for silent computing and enthusiast builds, the NA-IS1-14 chromax.black eliminates vibration transmission into case structures, improving acoustic comfort and long-term fan stability in both air- and water-cooled systems.

What’s in the Box:

2x NA-IS1-14 chromax.black anti-vibration spacers

8x extended mounting screws

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