Synology DiskStation DS1520+ 5-Bay Desktop NAS

Specification

• Mfr Part Number: DS1520+
• Hardware:
  • CPU: Intel Celeron J4125 4-core 2.0 GHz, burst up to 2.7 GHz
  • Memory: 8 GB DDR4 non-ECC (4 GB onboard & 4 GB SO-DIMM)
  • Drive Bays: 5x 3.5″ or 2.5″ SATA HDD/SSD
  • Maximum Internal Raw Capacity: 80TB (5x 16TB drive) (Capacity may vary by RAID types)
  • External Ports: 2 x USB 3.0 port, 2 x eSATA port
  • Fan: 2 x (92 x 92 x 25 mm)
  • Noise Level: 20.8 dB(A)
  • Brightness adjustable front LED indicators
  • Power Recovery
  • Scheduled Power On/Off
  • Wake on LAN/WAN
  • Power Supply Unit / Adapter: 120W
  • AC Input Power Voltage: 100V to 240V AC
  • Power Frequency: 50/60 Hz, 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 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 Task: 32
• Applications:
  • File Station: Virtual drives, remote folders, Windows ACL editor, compressing/extracting archived files, bandwidth control for specific users/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, transfer logs
  • Presto File Server: High-speed data transfer over WAN with exclusive SITA technology between Synology NAS and desktop
  • Universal Search: Offer global search into applications and files
  • Hyper Backup: Support local backup, network backup, and backup data to public clouds
• Power Consumption: 36.67 W (Access), 15.51W (HDD Hibernation)
• Certifications: EAC, VCCI, CCC, RCM, KC, FCC, CE, BSMI
• Dimensions (WxDxH): 230.0 x 223.0 x 166.0 mm
• Weight: 2.62 kg
• Package Contents: Main Unit, Accessory Pack, AC Power Adapter, AC Power Cord,  2 x RJ-45 LAN Cable, Quick Installation Guide
• Optional Accessories:
  • Expansion Unit: DX517 X 1
  • 2.5″ SATA SSD: SAT5200
  • M.2 2280 NVMe SSD: SNV3400
  • VS360HD/VS960HD
  • Surveillance Device License Pack