The ES1640dc is a product line developed by QNAP for mission-critical tasks & intensive virtualization applications. With powerful processors, dual active controllers, ZFS, HPE Helion compatibility & fully supporting virtualization environments, the ES1640dc delivers "real business-class" cloud computing data storage. The ES1640dc features the QES operating system that allows almost limitless snapshots, block-level data deduplication, & thin provisioning with reclaim, assisting businesses in building the cost-efficient VDI platform & storage for critical data. The ES1640dc provides the same user experience as the current QNAP NAS & QTS system, allowing business users to enjoy the easy learning curve & quickly deploy the system, & making it ideal for small & medium businesses with budget constraints or large-scale IT divisions coping with mission-critical tasks.