Replacement 420W Power Supply for 3Y Power YM-7421D / SSG520M / SSG550M

420W replacement power supply compatible with 3Y Power models YM-7421D, SSG520M and SSG550M. Designed as a direct-fit spare or swap for systems using these exact model numbers, this unit provides the specified 420W output for 3Y Power equipment.

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Replacement 420W Power Supply for 3Y Power YM-7421D / SSG520M / SSG550M
$354.00