High performance NAS with SSD cache acceleration capabilitySynology DS420+ is designed for IT enthusiasts and home users. Equipped with a 2-core processor and built-in M.2 NVMe 2280 SSD slots for cache acceleration, DS420+ is ideal for data sharing, video streaming, and photo indexing.Boost performance with built-in SSD slotsDS420+ 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.Accelerate demanding applicationsA more powerful CPU speeds up computing-intensive applications. The new 2-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 iOSYour personal entertainment and multimedia hubAccess multimedia content anytime, anywhere through an intuitive web-based interface.Seamless integration with your mobile devicesSynology mobile applications are designed to allow quick and secure access to your data wherever you are.Powered by Synology DSM- Desktop Backup: Simplified backup solution for your Mac, PC, and mobile devices.- DSM UI: Award-winning operating system with an intuitive user interface and powerful capabilities.- Snapshot Replication: Schedulable and instantaneous data protection for shared folders and iSCSI LUNs for disaster prevention.- Synology Drive: A versatile solution for file management and synchronization. – File Server/Management: Powerful built-in file management and sharing services.- Security: Comprehensive built-in security tools are constantly updated to protect your devices against evolving threats.Specification:- CPU Model: Intel Celeron J4025- CPU Architecture: 64-bit- CPU Frequency: 2-core 2.0 (base) / 2.9 (burst) GHz- System Memory: 2 GB DDR4 (Max 6GB Supported)- Drive Bays: 4- M.2 Drive Slots: 2 (NVMe)- Compatible Drive Type: 3.5″ SATA HDD2.5″ SATA HDD2.5″ SATA SSDM.2 2280 NVMe SSD- Maximum Internal Raw Capacity: 64 TB (16 TB drive x 4) (Capacity may vary by RAID types)- Maximum Single Volume Size: 108 TB- RJ-45 1GbE LAN Port: 2 (with Link Aggregation / Failover support)- USB 3.0 Port: 2- Size (Height x Width x Depth): 166 mm x 199 mm x 223 mm – Weight: 2.18 kg – File Systems:Internal Drives: Btrfs, EXT4External Drives: Btrfs, EXT4, EXT3, FAT, NTFS, HFS+ – Raid Support:Synology Hybrid RAIDBasicJBODRAID 0RAID 1RAID 5RAID 6RAID 10- 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 Number of Concurrent Users: 50- Maximum IP cam: 25 Supported

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