. The EJ1600 v 2 expansion enclosure is designed for expanding the storage space on a QNAP Enterprise ZFS NAS by connecting multiple expansion enclosures via high-speed mini SAS cables. Featuring a 12 Gbps SAS interface on the chassis the EJ1600 v 2 ensures fast data passthrough from 12 Gbps SAS-enabled Enterprise ZFS NAS. This is especially useful for virtualization applications & large data applications that require high-performance interconnection such as video surveillance archiving large data & TV broadcast storage to provide businesses with optimized efficiency & maximized ROI. The EJ1600 v 2 connects to the Enterprise ZFS NAS via the dual path mini-SAS design to sustain continuous operations even if an external JBOD cable is disconnected Key Product Info. Dual-channel (Dual Path) to tolerate single node failure for uninterrupted operations Missing mode protection High density high efficiency & high scalability Flexible management with the QES Storage Manager Ideal backup storage for the dual-controller enterprise ZFS NAS