Maintain uptime where interruptions are expensive. Vertiv PB-PSI5-2200VA is a desktop UPS built to keep essential equipment running through power disturbances, giving infrastructure teams a controlled path through outages and unstable utility power. With a 2,200 VA class rating, it is positioned for deployments that need more headroom than entry-level units can provide. This model fits environments where graceful shutdown, ride-through, and power conditioning matter more than basic surge suppression. Its desktop form factor makes it practical for network closets, branch offices, and workstation-adjacent equipment racks where space is limited but service continuity is not optional. For teams standardizing on Vertiv power protection, it offers a straightforward fit for protecting sensitive electronics without adding unnecessary complexity. Choose this UPS when the cost of downtime exceeds the cost of proper power conditioning. It is designed to support business-critical devices that need stable output and a more resilient power path than consumer-grade backup products can deliver.