200-811-921 EMC Symmetrix Disk Director Board

The 200-811-921 is an internal system management controller engineered to deliver unified administration infrastructure across hardware configurations. Serving as a crucial high-performance disk director module within enterprise Symmetrix storage area network (SAN) configurations, this circuit board manages data pathing and caching operations between the host computers and the backend storage array disks. Designed for seamless execution under demanding transactional storage workloads, it incorporates dedicated hardware-driven processor logic to route multi-path I/O protocols and sustain low-latency transfers. The architecture interfaces cleanly with the storage backplane, securing active data paths and preventing communication bottlenecks to protect operations against single-point-of-failure downtimes during high-availability carrier operations.

Alternative Part Numbers

• 200-880-914
• 200-811-921

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