Scalable NAS with SSD cache acceleration capability Synology DS720+ is a compact network-attached storage solution to streamline data and multimedia management. 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 capacity DS720+ 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 applications A 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 seamlessly Synology 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. Real-time collaboration on your private cloud Synology 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. Seamless integration with your mobile devices Synology mobile applications are designed to allow quick and secure access to your data wherever you are. Powered by Synology DSM - Multimedia: Complete multimedia solution for management, streaming, and playback. - Hyper Backup: Store multiple backup versions with block-level incremental data backup and cross-version deduplication. - Desktop Backup: Simplified backup solution for your Mac, PC, and mobile devices. - Snapshot Replication: Schedulable and instantaneous data protection for shared folders and iSCSI LUNs for disaster prevention. - Surveillance Station: Complete surveillance solution for recording, monitoring, and management. - Synology Drive: A versatile solution for file management and synchronization. Specification: - CPU Model: Intel Celeron J4125 - CPU Architecture: 64-bit - CPU Frequency: Quad Core 2.0 (base) / 2.7 (burst) GHz - Hardware Transcoding Engine: Yes - System Memory: 2 GB DDR4 non-ECC - Memory Expandable up to: 6 GB (2 GB + 4 GB) - Drive Bays: 2 - Maximum Drive Bays with Expansion Unit: 7 (DX517 x 1) - M.2 Drive Slots: 2 (NVMe) - Compatible Drive Type: 3.5\" SATA HDD 2.5\" SATA HDD 2.5\" SATA SSD M.2 2280 NVMe SSD - Maximum Internal Raw Capacity: 32 TB (16 TB drive x 2) (Capacity may vary by RAID types) - Maximum Single Volume Size: 112 TB (32 TB + 16 TB drive x 5) (Capacity may vary by RAID types) - RJ-45 1GbE LAN Port: 2 (with Link Aggregation / Failover support) - USB 3.0 Port: 2 - eSATA Port: 1 - Supported RAID Type: Synology Hybrid RAID Basic JBOD RAID 0 RAID 1 RAID 5 (with Expansion Unit) RAID 6 (with Expansion Unit) RAID 10 (with Expansion Unit) - Internal Drives: Btrfs, EXT4 - External Drives: Btrfs, EXT4, EXT3, FAT, NTFS, HFS+ - File Protocol: CIFS/AFP/NFS/FTP/WebDAV - Networking Protocols: SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV - Maximum IP cam: 40 - Size (Height x Width x Depth): 166 mm x 106 mm x 223 mm - Weight: 1.51 kg