FOR YM-7421D 420W Power Supply for 3Y SSG520 / SSG550 AP-1421-1B02R2

Replacement 420W power supply compatible with 3Y SSG520 and SSG550 systems. Part numbers: FOR YM-7421D and AP-1421-1B02R2. Designed as a direct-fit power module for devices requiring a 420W unit (fits SSG520 / SSG550). Contains the same model and part references: YM-7421D, AP-1421-1B02R2, 420W.