Intel Xeon D dual active-active controllers provide supreme uptime and redundancy to ensure high availability. Battery-protected DRAM write to cache data protection and Flash read acceleration provides industry-leading random access performance. Two M. 2 SSD slots allow for implementing SSD cache acceleration. Four 10Gb E SFP+ ports accelerate virtualization, large file sharing, and intensive data transfer. Near-limitless snapshots and Snap Sync for snapshot remote backup assist businesses to resume essential services in the shortest time. Supports VMware vSphere 6. 5, Windows Server 2016 and Citrix Xen Server 7. 0 for storage virtualization. Compatible with Open Stack cloud environments. Delivering enterprise high availability, the ES1686dc Enterprise ZFS NAS features Intel(R) Xeon(R) D processors, dual active controllers, up to 512 GB DDR4 ECC memory, SAS 12Gb/s, and ZFS that supports logical volume management. The ES1686dc runs the latest QES 2. 1.0 operating system that supports near-limitless snapshots, Snap Sync, block-level data deduplication, and inline data compression. Whether being used as a mission-critical file server, virtualization server, VDI, medium-sized data center, video streaming, surveillance storage, and efficient file backup & recovery, the ES1686dc helps your business to achieve service-level agreements for performance and uptime.