Program Overview
FlashCore Module Gen 4 (FCM4) is IBM's newest FlashCore drive family and is the generation most likely to be quoted on a new FlashSystem order today, though it also ships as an upgrade path for buyers standardizing an existing array on current-generation media.
Gen 4 keeps the same per-capacity multi-part-number pattern seen in earlier generations, so buyers should treat the part number and feature code as configuration-specific identifiers rather than interchangeable SKUs across every FlashSystem model.