Liebernetz 19-SILENT Fan Unit - Horizontal Airflow Intake - 50 m³/h - 1U - 12V DC - Super Quiet 15 dB - Black (90LN19LUE1HE8BS)

Data center technicians and network administrators rely on the Liebernetz 19-SILENT Fan Unit to maintain optimal operating temperatures inside server racks and network cabinets. This 1U rack-mount unit delivers a horizontal airflow of 50 m³/h, actively drawing cool air into the enclosure to prevent overheating of critical equipment. Operating at a super-quiet 15 dB(A), it integrates seamlessly into noise-sensitive environments such as offices, studios, and small server rooms. Powered by 12V DC, the fan unit is designed for front or rear rack mounting in standard 19-inch EIA-310-D compliant racks. Its black finish blends discreetly with most rack hardware. The silent operation mode ensures continuous cooling without distracting background noise, making it suitable for deployments where both thermal management and acoustic comfort are priorities.

Key specifications

• Product type: Rack cooling fan unit
• Form factor: 19-inch rack mount, 1U height
• Airflow direction: Horizontal, intake (blowing in)
• Airflow volume: 50 m³/h
• Noise level: 15 dB(A)
• Power input: 12V DC
• Colour: Black
• Operating mode: Silent
• Mounting standard: EIA-310-D compliant
• Cooling method: Active cooling
• Fan technology: Low-noise fan
• Installation: Front or rear rack mounting

Why choose it

The Liebernetz 19-SILENT Fan Unit offers a balance of effective airflow and minimal acoustic footprint. Its 50 m³/h intake capacity helps maintain stable temperatures in densely packed racks, while the 15 dB(A) noise level ensures it won't disrupt workplace concentration. The 1U form factor saves valuable rack space, and the 12V DC power requirement allows integration with common DC power distribution systems. The unit's horizontal airflow design is optimized for typical rack layouts, promoting efficient heat dissipation from front to rear.

Ideal use cases

• Cooling network switches and patch panels in wall-mounted cabinets
• Supplementing airflow in server racks with high-density storage arrays
• Maintaining temperature in AV racks for conference rooms or studios
• Providing quiet active cooling in small business server closets

Good to know

The fan unit is intended for mounting in standard 19-inch racks and operates on 12V DC power. Its black colour matches most rack enclosures. The silent operation mode is achieved through low-noise fan technology, making it suitable for environments where background noise must be kept to a minimum.