Specifications

• Mfr Part Number: RS819
  
• Hardware:
  • CPU: Realtek RTD1296 (1.4GHz, Quad Core) w/ Hardware Encryption Engine(AES-NI)
    
  • Memory: 2GB DDR4
    
  • Drive Bay: 4x 3.5" or 2.5" SATA SSD/HDD (Hard drive not included)
    
  • Hot swappable drive: Yes
    
  • External Ports: 2x USB 3.0 Ports, 1x eSATA Port
    
  • LAN: 2x Gigabit (RJ-45)
    
  • System Fan: 3x (40 x 40 x 20 mm) Fans
    
  • Scheduled Power On/Off
    
  • Wake on LAN/WAN
    
  • AC Input Power Voltage: 100 ~ 240 V AC
    
  • Power Frequency: 50/60Hz, Single Phase
    
• Networking Protocols: SMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, VPN (PPTP, OpenVPN, L2TP)
  
• Security: Firewall, encryption shared folder, SMB encryption, FTP over SSL/TLS, SFTP, rsync over SSH, login auto block, Let's Encrypt support, HTTPS (customizable cipher suite)
  
• File System:
  • Internal: Btrfs, EXT4
    
  • External: Btrfs, EXT4, EXT3, FAT, NTFS, HFS+, exFAT
    
• File Sharing Capability:
  • Maximum Local User Accounts: 2048
    
  • Maximum Local Groups: 256
    
  • Maximum Shared Folder: 256
    
  • Maximum Concurrent SMB/NFS/AFP/FTP Connection: 200
    
• Utilities: Synology Assistant
  
• Applications:
  
  • File Station: Virtual drive, remote folder, Windows ACL editor, compressing/extracting archived files, bandwidth control for specific users or groups, creating sharing links, transfer logs
    
  • Backup Solutions: DSM configuration backup, macOS Time Machine support, Cloud Station Backup; Shared folder sync - maximum tasks - 4
    
  • FTP Server: Bandwidth control for TCP connections, custom FTP passive port range, anonymous FTP, FTP SSL/TLS and SFTP protocol, boot over the network with TFTP and PXE support, transfer logs
    
  • Web Station: Virtual host (up to 30 websites), PHP/MariaDB, 3rd-party applications support
    
• Supported Clients: Windows 7 onwards and Mac OS X 10.11 onwards
  
• Power Consumption: N/A
  
• Certifications: N/A
  
• Dimensions (WxDxH): 430.5 x 295.5 x 44.0 mm / 478.0 x 327.5 x 44.0 mm (w/ server ears)
  
• Weight: 4.34 kg
  
• Package Contents: RS819 main unit, Quick Installation Guide, Accessory pack, AC power cord
  
• RoHS Compliant