How do you improve data center power efficiency without impacting IT performance? HP Flexible Slot Power Supplies provide up to 94% power efficiency with 80Plus Platinum-certified power supplies that lower server power requirements and reduce power waste in your data center. Flex Slot Power Supplies have a form factor that is 25% smaller than previous generation power supplies - providing more space to add additional server options and improve the performance of your servers. Flex Slot Power Supplies provide fast - tool-less hot plug access to server power supplies for greater serviceability and are supported across the entire ProLiant DL300 Gen9 Server family - simplifying your spares strategy and further reducing data center costs. 735051-401