Vertiv Liebert PSI5 1500VA Mini Tower 120V | UPS, RDU120, Enterprise

Maintain uptime for critical desktop and edge systems with the Vertiv Liebert PSI5 1500VA mini tower. Sized for environments where a compact footprint matters, it delivers 1,500 VA of backup capacity at 120 V and includes the RDU120 card for remote monitoring. That combination makes it a stronger fit than basic standby units that leave you blind during an outage. This model is built for IT teams that need more than short-term battery support. The mini tower design works well in offices, branch locations, and small server areas where rack space is limited, while the monitored power path helps you respond before a brief interruption becomes a service ticket. For procurement teams, the value is clear: a compact UPS with the control and visibility expected in higher-trust deployments. Use it to protect network closets, point-of-sale systems, and desktop infrastructure that cannot afford unexpected shutdowns. The PSI5 line is designed to support business continuity with practical capacity, remote oversight, and a form factor that installs quickly without complicating the workspace.