Support compact rack deployments with a 550 W DC front-to-back power supply designed for Juniper infrastructure. In dense environments, the PSU must do more than deliver power. It must fit the chassis, follow the cooling path, and keep maintenance simple when a replacement is needed. This module is built for teams that manage uptime across space-constrained systems and want a power component aligned to the platform’s thermal and electrical design. The front-to-back airflow orientation helps preserve rack cooling strategy, while the 550 W rating provides a practical fit for compact deployments that do not need oversized capacity. For procurement and operations teams, the advantage is clarity: a purpose-matched PSU reduces compatibility uncertainty and helps standardize spares for faster recovery. That matters when the cost of a delayed replacement is measured in service disruption, not just hardware expense. This is the kind of component that earns its place in production by being the right fit the first time.