APC Symmetra RM 2kVA Scalable to 6kVA N+1 Rack-mountable UPS - 12.6 Minute Full Load - 2kVA - SNMP Manageable

The first UPS with redundancy and scalability within a single chassis!
Engineered to deliver the highest level of business continuity possible, Symmetra RM 2kVA uses a modular, redundant architecture that can scale power and runtime as demand increases or when higher levels of availability are required. Symmetra's integrated manageability, and hot-swappable, user replaceable power, battery, and intelligence modules enable easy, fast maintenance and serviceability. Its 2-6kVA N+1 redundant rack-optimized form factor makes Symmetra ideal for protecting critical server racks and network rooms. Typical applications include Web and other key application servers, IP based and traditional PBX voice solutions, and enterprise type network switches.