Delivering enterprise high availability, the ES1686dc Enterprise ZFS NAS features Intel Xeon 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, SnapSync, 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. 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 10GbE SFP+ ports accelerate virtualization, large file sharing, and intensive data transfer. Near-limitless snapshots and SnapSync for snapshot remote backup assist businesses to resume essential services in the shortest time. Supports VMware vSphere 6. 5, Windows Server 2016 and Citrix XenServer 7. 0 for storage virtualization. Compatible with OpenStack cloud environments.