Direct replacement for 03WN11, 3WN11, L240AS-00, H240AS-00 power supply models.; Fully compatible with Dell Optiplex 790, 990, 3010, 7010, 9010 SFF desktops.; Stable 240W output with 100-240V wide input for global usage.; OEM-matched size and connectors for plug-and-play installation.; Built-in OVP, OCP, SCP protections, fully tested for long-term reliability.