Looking to reduce energy cost and space with increased performance? HP Common Slot Power Supplies share a common electrical and physical design that allows for hot-swap. tool-less installation into HP server and storage solutions. These power supplies are available in multiple. high-efficiency input and output options. allowing you to "right-size" a power supply for specific server/storage configurations and environments.This flexibility helps to reduce power waste. lower overall energy costs. and avoid "trapped" power capacity in the data center. The power supplies provide the IT industry s highest level of power efficiency (up to 96%). helping users to reduce power requirements per server and reducing overall data center power requirements.