The ThinkSystem DB400D is a Fibre Channel SAN director running Fabric OS. Lenovo’s DB400D/DB800D product guide describes the platform and directs users to release-specific hardware and firmware support information.
Check the exact Fabric OS release notes, installed hardware and supported upgrade path before selecting firmware or management software. A product-guide update date is not a firmware release date, and desktop Windows compatibility should not be inferred from this archive page.
No archived drivers were found for DB400D-FC-SWITCH.