DS1621xs+ is a high-end NAS with server-class performance in a 6-bay desktop form factor. The built-in M.2 SSD cache slots 10GbE port expandable memory and scalable storage design allow you to boost the performance of your NAS making it ideal for small and medium-sized businesses that need an efficient and space-saving storage solution.N/AN/ASupercharge your storage with speedy performanceN/ADS1621xs+ comes with built-in M.2 SSD cache slots capable of providing I/O response speeds 20 times faster than hard drives without occupying front drive bays. The built-in 10GbE port provides fast data transmission and can be bonded with an additional network interface card for higher network bandwidth.N/AN/AUltimate Backup SolutionN/ADS1621xs+ integrates various backup applications into an intuitive user interface offering durable storage technologies to safeguard your valuable data on any device.N/AN/AActive Backup for BusinessN/ACentralize backup tasks for VMware Windows and file servers. Restore whatever you want fast and reliably when needed.N/AN/AHyper BackupN/AComprehensively back up your data to a local shared folder an external device another Synology NAS an rsync server or a public cloud to ensure data safety.N/AN/ADrive PackageN/ASafeguard your computer with Synology Drive Client. Effortlessly perform real-time data backups and point-in-time file recovery.N/AN/AActive Backup forN/AMicrosoft 365 / G SuiteN/AProtect corporate data stored on the cloud. On-premise backup solution with a centralized dashboard. Optimize storage efficiency with single instancing and block-level deduplication technology.N/AN/AVirtual Machine ManagerN/ASandbox new software manage resources using a single interface and increase deployment flexibility with Synology Virtual Machine Manager. Run Windows Linux and Virtual DSM instances on your Synology NAS in just a few steps.N/AN/ASnapshots for virtual machinesN/AClone and restore complete virtual machines within seconds.N/AN/ALive migrationN/ASeamlessly migrate virtual machines from one Synology NAS to another.N/AN/AMulti-tenant environmentN/ACreate multiple isolated virtual machines for business units or departments.N/AN/ACentral Management SystemN/AManage multiple Synology NAS servers simultaneously on a centralized interface to increase business efficiency.N/AN/ASynology MailPlusN/ASecure reliable and private mail server solution with an intuitive and modern mail client.N/AN/ASynology High AvailabilityN/ASeamless transition between clustered servers in the event of a server failure to minimize the impact on applications.N/AN/ASecurityN/AComprehensive built-in security tools are constantly updated to protect your devices against evolving threats.N/AN/ASynology DriveN/AA versatile solution for file management and synchronization. N/AN/ASurveillance StationN/AComplete surveillance solution for recording monitoring and management.