The Eaton 9PXM UPS is a scalable, modular UPS that combines the highest level of reliability with the lowest cost of ownership. Through 4 kVA plug-and-play power modules, the 9PXM delivers an expandable level of N+X redundancy. The 9PXM fits eight or twelve-slot tower enclosures which are easily converted into 14U and 21U rackmount solutions.