Scalable NAS with SSD cache acceleration capabilitySynology DS920+ is an ideal network-attached storage solution to streamline data management and productivity.Two built-in M.2 SSD slots and Synology SSD Cache technology allow you to boost system I/O and application performance. Scalable storage design lets you start small and expand storage capacity with Synology DX517 as your data grows.Optimize performance and capacityDS920+ provides two built-in M.2 SSD slots so that you can take full advantage of Synology SSD Cache functionality. Add SSD cache for up to 20 times faster I/O response without using front drive bays. You can add five more drives with Synology DX517 to expand storage capacity.Accelerate demanding applicationsA more powerful CPU speeds up computing-intensive applications. The new 4-core processor boosts photo indexing database response times and web PHP response efficiency. Easily categorize your photo memories smoothly manage files across computers and mobile devices and enjoy blazing fast web applications.Access and sync your files seamlesslySynology Drive provides a built-in universal portal to access your data anytime and anywhere and synchronize all your files across platforms including Windows macOS Linux Android and iOS.- Sync files on demand: Save the storage space and network bandwidth of your PC.- Go back in time: Easily retrieve previous versions of your shared files.- Back up your data: Protect your files as scheduled or in real-time.Real-time collaboration on your private cloudSynology Office is a collaboration package combining the convenience and usability of public clouds with the data privacy and security guaranteed by private clouds. It allows you to work seamlessly together on documents and spreadsheets in a protected environment.Virtual Machine ManagerVirtual Machine Manager enables you to test new software in sandboxes isolate your customers' machines and increase the flexibility of your server. You can easily run Windows Linux and Virtual DSM on your Synology NAS by just a few steps.Snapshots for virtual machinesPerfectly clone and restore a virtual machine within seconds.Live migrationSeamlessly migrate Virtual DSM instances from a Synology NAS to another.Multi-tenant environmentCreate multiple isolated virtual machines for subsidiary business units or departments.Powered by Synology DSMMultimediaComplete multimedia solution for management streaming and playback.Hyper BackupStore multiple backup versions with block-level incremental data backup and cross-version deduplication.Desktop BackupSimplified backup solution for your Mac PC and mobile devices.Snapshot ReplicationSchedulable and instantaneous data protection for shared folders and iSCSI LUNs for disaster prevention.Surveillance StationComplete surveillance solution for recording monitoring and management.Virtual Machine ManagerRun various operating systems in isolated sandboxes. Seamlessly clone restore and migrate virtual machines.