DS423: Affordable 4-Bay NAS Server for All Uses

Highlights
- Centralized Data Storage: Consolidate up to 72 TB of data and enjoy full data ownership and cross-platform access from anywhere.
- Secure sharing and synchronisation: Access and share your files and media securely from anywhere. So your friends, partners, or colleagues are all on the same page.
- Simplified data protection: Back up your media and documents to multiple destinations and use snapshots to protect against malware
- Versatile monitoring: Protect your home or business with intuitive monitoring, archiving and analysis tools for up to 30 IP cameras.
Key Features :
- Realtek RTD1296B processor (Quad-Core 1.7 GHz)
- 2 GB DDR4 (no upgrade possible)
- External file system: ext4, ext3, FAT, NTFS, HFS+, exFAT
- Network protocols: SMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP and VPN (PPTP, OpenVPN, L2TP)
- Security: Firewall, shared folder encryption, SMB encryption, FTP over SSL/TLS, SFTP, rsync over SSH, automatic connection blocking, Let’s Encrypt support, HTTPS (customizable encryption suite)
- Supports collaboration with Synology Chat, Synology Office online editor, and Synology Calendar scheduling assistant
- Maximum number of connections: 20 VPN protocols supported
- Synology Drive: Maximum hosted files: 500,000, maximum simultaneous connections for PC clients: 200
- iOS/Android apps: Synology Drive, DS audio, DS photo, DS video, DS cam, DS file, DS finder, DS note, Moments
- Maximum number of IP cameras: 30(2 free camera licenses included)
