The Oracle ZFS Storage Appliance is an enterprise NAS storage solution with an advanced architecture that includes a highly intelligent symmetric multiprocessing (SMP) storage OS that takes full advantage of modern multi-core CPUs, enabling you to run multiple workloads and advanced data services without reducing performance. Its unique Hybrid Storage Pool (HSP) architecture automatically caches data on dynamic random access memory (DRAM) or flash cache to provide optimal performance and exceptional efficiency, while ensuring that data remains safely stored on persistent storage such as HDDs or SSDs.