5.4kVA/4.8kW double-conversion on-line pure sine wave 3U rackmount UPS Ideal for servers, storage, voice/data networks, medical labs, and light industrial applications Rack/Tower convertible (rail kit included) 1-Year Secure Network Management Card subscription included Add up to 10 external battery packs (SRT192RMBP) for extended runtime Embedded Network Management Card for network-based UPS monitoring & management Graceful shutdown of physical servers, virtual machines and HCI Clusters SmartSlot for additional communication options Delivers clean power with zero transfer time for critical or sensitive devices