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Hetzner Online FSN1 (Falkenstein)

Hetzner Online GmbH · Falkenstein · Regional Germany · Germany

Design resilience tier
III
Redundancy (as published)
The uninterruptible power supply (UPS) is guaranteed by 15 minutes of battery capacity and standby diesel generator sets. All UPS systems are designed redundantly. Colocation product page: UPS-secured power supply; redundant power feed (4 x 16 A) via A/B busbar; diesel generator; multiply redundant connections
Floor area
500 m² whitespace
Security
24/7 on-site security
Rack density
8 kW

Platform reviewed · 03 Sept 2026 · Recent

Density (as published)
Rack Advanced: redundant power feed (4 x 16 A) via A/B busbar (maximum load for safety reasons up to 4 x 10 A). FAQ 24-08-2026: non-redundant use (maximum capacity of 20 A or 40 A); power is provided via Schuko sockets (CEE 7/3 type F)
Cooling
Air cooling, Free cooling
Availability
Closed to new customers

Platform reviewed · 03 Sept 2026 · Recent

Cross-connect
On request
Renewable power
100% renewable power
Design PUE
Design PUE < 1.2
PUE note
Operator-wide claim: PUE of 1.10 to 1.16 across its data centers, with an average of 1.13.
Heat reuse
Yes
Services
Colocation and connectivity
Certifications 2
ISO 27001PCI DSS

Location

View on the full map · 2 locations at this address · Elevation 557 m above sea level

Aerial view of Hetzner Online FSN1 (Falkenstein)
Aerial view of the site. Imagery MapTiler, OpenStreetMap contributors.

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Data sources

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