Description:HP 1800-2200W Flex Slot Titanium Power SupplyPart Number(s) Option Part# P44712-B21 Spare Part# P47163-001 Overview: HP Flexible Slot (Flex Slot) Power Supplies share a common electrical and physical design that allows for hot plug - tool-less installation into HP Proliant Gen9 Performance servers. HP 's Flex Slot power supplies are certified for high-efficiency operation and offer multiple power output options - allowing users to right-size a power supply for specific server configurations. This flexibility helps to reduce power waste - lower overall energy costs - and avoid trapped power capacity in the data center. Flex Slot power supplies are rated for Platinum-level certification with efficiency of up to 94% - and Titanium-level certification with efficiency of up to 96%. Support for HP Power Discovery Services - via embedded power line communication technology - is also available with the 800W Titanium and 1400W Platinum Plus model. This feature enables each server to communicate identification - location - and power-related data to the Intelligent Power Distribution Unit in the rack which can then be shared with HP Insight Control to manage power usage and efficiency in the data center.HP Flexible Slot Battery Backup enables backup power in the same form factor as Flex Slot power supplies. The Battery Backup can provide up to 750W of power up to 60 seconds - or up to 500W when configured in paralleled configuration. Specifications: CategoryProliant Sub-CategoryProliant Power Supply Generation2200W Part NumberP44712-B21 Products ID742770 Device TypePower Supply Power Provided1800-2200 Watts FanInternal ManufacturerHewlett Packard Form FactorPlug-in Module Efficiency96% Specification ComplianceFlex Slot Voltage RequiredAC 200-240 V Hot PlugYes