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The DS8880 architecture is server-based. Two powerful POWER8 processor-based servers manage the cache to streamline disk I/Os, maximizing performance and throughput. These capabilities are further enhanced with the availability of high-performance flash enclosures (HPFEs). An HPFE Gen2 can now be installed in most models. HPFE Gen2 is described in IBM DS8880 High-Performance Flash Enclosure Gen2 , REDP-5422. 

Combined with world-class business resiliency and encryption features, the DS8880 provides a unique combination of high availability, performance, and security. The DS8880 is equipped with encryption-capable drives. High-performance flash drives, high-capacity flash drives, and solid-state flash drives (SSDs) are available, as well as spinning disk drives. High-density storage enclosures offer a considerable reduction in the footprint and energy consumption. 

Figure 1-2 shows two all-flash configurations: A DS8888 (base frame) on the left side, and a DS8882 (Rack-mounted model) on the right-hand side. 

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Reduced footprint:  The DS8880 is housed in a 19-inch wide rack. 

