540-6545 Sun StorageTek 5220 Drive Cage Midplane

The 540-6545 is an internal system management controller engineered to deliver unified administration infrastructure across hardware configurations. Functioning as a high-reliability storage interconnect board, this drive cage midplane cleanly bridges SAS/SATA drives to primary host controllers and system power paths. Built to manage high-density virtualization setups, clustered cloud services, and heavy corporate databases typical of mission-critical storage array operations, it ensures seamless data flow and hot-plug signaling validation across all available drive bays. Its fault-isolated layout manages internal bus communication cleanly, shielding core operational paths from localized transmission line noise, voltage fluctuations, or single-point-of-failure backplane downtime during continuous system runtime.

Alternative Part Numbers

• 540-6545-01
• 540-6545-02
• 501-7667
• 501-7667-01