The HPE Modular PSU 800W Titanium HP is a modular power supply unit (PSU) Flex Slot designed for selected HPE ProLiant servers. It delivers 800W of power with 80 PLUS Titanium certification and up to 96% efficiency, helping to reduce energy waste and operating costs. It supports AC input from 200-240V at 50-60Hz and uses an IEC 60320 C14 input connector. The low halogen design and hot-plug capability support redundant configurations and replacement without server downtime. It is suitable for HPE ProLiant Gen9 and Gen10 platforms, including DL325 Gen10, DL360 Gen10, DL380 Gen10, DL560 Gen10, and ML350 Gen10. The product corresponds to the HPE 800W Flex Slot Titanium Hot Plug Low Halogen Power Supply Kit and is associated with part numbers such as 865438-B21, 720482-B21, and 754378-001.