Specification

• Mfr Part Number: DS1517+ (8GB)
• Hardware:
  • CPU: Intel Atom C2538 (2.4 GHz, Quad Core), w/ Hardware Encryption Engine (AES-NI)
  • Memory: 8GB DDR3
  • Drive Bays: 5x 3.5" or 2.5" SATA3/SATA2 HDD/SSD
  • Maximum Internal Raw Capacity: 50 TB (10 TB HDD x 5) (Capacity may vary by RAID types)
  • External Ports: 4x RJ45 1GbE LAN Ports, 4x USB 3.0 Ports, 2x eSATA Ports
  • PCIe: 1x Gen2 x8 slot (x4 link)
  • Fan: 2x (80 x 80mm) Fans
  • Noise Level: 26.2 dB(A)
  • Power Recovery
  • Scheduled Power On/Off
  • Wake on LAN/WAN
  • Power Supply Unit / Adapter: 200W
  • AC Input Power Voltage: 100V to 240V AC
  • Power Frequency: 50/60 Hz, Single Phase
• Networking Protocols: CIFS, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, VPN (PPTP, OpenVPN)
• Security: FTP over SSL/TLS, IP Auto-Block, Firewall, Encrypted Network Backup over Rsync, HTTPS Connection
• File System:
  • Internal Drives: Btrfs, EXT4
  • External Drives: Btrfs, EXT4, EXT3, FAT, NTFS, HFS+, exFAT
• File Sharing:
  • Maximum Local User Accounts: 2048
  • Maximum Local Groups: 256
  • Maximum Shared Folder: 512
  • Maximum Shared Folder Sync Tasks: 8
  • Maximum Concurrent CIFS/AFP/FTP Connections: 2048
  • Windows Access Control List (ACL) Integration
  • NFS Kerberos Authentication
• 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: Network backup; local backup; desktop backup; configuration backup; OS X Time Machine; backup data to public cloud; shared folder sync - maximum task number: 8
  • 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
  • Security Advisor: Malware detection / removal; user account / password, network, system-related security scan
  • iOS / Android applications: DS cloud, DS file, DS finder, DS cam, DS note, MailPlus
  • Windows Phone applications: DS file, DS finde
• Supported Clients: Windows 7 or above, Mac OS X 10.10 or above
• Power Consumption: 42.1 W (Access), 23.1 W (HDD Hibernation)
• Certifications: FCC Class B, CE Class B, BSMI Class B
• Dimensions (WxDxH): 250.0 x 243.0 x 166.0 mm
• Weight: 4.46 kg
• Package Contents: Main Unit, Accessory Pack, AC Power Cord, 2x RJ-45 LAN Cable, Quick Installation Guide