Specifications

• Mfr Part Number: DS419SLIM
  
• Hardware:
  • CPU: Marvell Armada 385 88F6820 Dual Core 1.33GHz w/ Hardware Encryption Engine
  • Memory: 512MB DDR3L
  • Drive Bay: 4x 2.5" SATA HDD/SSD (drives not included)
  • Max Internal Capacity: 20TB (4x 5TB Drive) (Capacity may vary by RAID types)
  • External HDD Interface: 2x USB 3.0 Ports
    
  • LAN: 2x Gigabit RJ45 Ports 
  • Wake on LAN/WAN
    
  • Fan: 1x (60 x 60 mm) Fan
    
  • Noise Level: 20.3 dB(A)
    
  • Easy Replacement System Fan
  • Brightness Adjustable Front LED Indicators
    
  • Power Recovery
  • Scheduled Power On/Off
  • Power Supply Unit/Adapter: 30W
  • 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, encrypted 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: EXT4
    
  • External: EXT4, EXT3, FAT, NTFS, HFS+ (Read Only), exFAT
• File Sharing Capability:
  • Max Local User Accounts: 1024
  • Max Local Groups: 256
    
  • Max Shared Folder: 256
  • Max Concurrent SMB/NFS/AFP/FTP Connections: 100
• Utilities: Synology Assistant
  
• Applications:
  • File Station: Virtual Drive, Remote Folder, Windows ACL Editor, Compress/Extracting Archived Files, Bandwidth Control for Specific Users or Groups, Creating Sharing Links, Transfer Logs
    
  • 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, Tansfer Logs
    
  • Mail Server: Supported Mail Server Protocols - POP3, SMTP, IMAP, support LDAP/AD accout
    
  • iOS/Android Applications: Synology Drive, DS audio, DS photo, DS video, DS cam, DS file, DS finder, DS note, Moments
    
  • Mail Station: Webmail interface for Mail Server to receive emails from multiple POP3 mailboxes, customizable SMTP server
    
  • Web Station: Virtual Host (up to 30 websites), PHP/MariaDB, 3rd-Party Applications Support
    
• Backup Solutions: Network backup, local backup, backup data to public clouds, DSM configuration backup, macOS  Time Machine support, Synology Drive Client desktop application shared folder sync - maximum task number - 2
  
• Supported Clients: Windows 7 and 10, Mac OS X 10.11 onwards
  
• Power Consumption: 20.28W (Access); 7.27W (HDD Hibernation)
  
• Certifications: EAC, VCCI, CCC, RCM, KC, FCC, CE, BSMI
  
• Dimensions (WxDxH): 105.0 x 142.0 x 120.0 mm
  
• Weight: 0.66 kg
  
• Package Contents: Main Unit, Quick Installation Guide,  AC Power Adapter, 2x RJ-45 LAN Cable
  
• RoHS Compliant