Synology RS2421 + 2U is a body, the groove 12 BAY NAS servers, can be expanded up to 24 Drive up to 2,200 / 1,154 MB of 64K per second sequential read / write performance 1 , can be with SSD cache and 10/25 GbE Ethernet port and enhance the effectiveness of 2 for all types of business environments use deployment. In addition, RS2421+ has built-in support for enterprise-level applications such as deduplication backup and second-level restoration, providing an economical file storage and management solution for organizations that continue to grow data.