User manual
Synology DiskStation 20TB DS718 2-Bay NAS

User Manual for Synology DiskStation 20TB DS718 2-Bay NAS Enclosure Kit with WD NAS Drives

• Product category: Network Attached Storage Drives Synology
• Brand: Synology
• Description and content of package
• Technical information and basic settings
• Frequently asked questions – FAQ
• Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
• Authorized service for Synology Network Attached Storage Drives

Product description

• Synology DiskStation DS718+ 2-Bay NAS Enclosure Built with a quad-core processor, an AES-NI hardware encryption engine, Btrfs file system support, and real-time 1080p/Cinema 4K video transcoding, the DiskStation DS718+ 2-Bay NAS Enclosure from Synology is designed for those who need a high-performance NAS that has been optimized for not only intensive workloads, centralizing data backups, and storing UHD media content, but also to safeguard data and deliver fast file transfer speeds It is equipped with two drive bays that are capable of natively supporting 3.5" SATA hard drives, as well as 2.5" SATA hard drives and SSDs. Using its two drive bays, this NAS will allow you to store and share many files, including videos, music, photos, and documents with up to 2048 user accounts and 500 maximum concurrent connections.
  
  The DS718+ runs on Synology DiskStation Manager (DSM) OS, which is a browser-based operating system which helps to simplify managing your Synology NAS. Its CPU is a 1.5 GHz Intel Celeron J3455 Quad-Core with a burst frequency of up to 2.3 GHz, and its 2GB of DDR3L RAM, which be upgraded to 6GB, allows frequently-used files and applications to be quickly accessed. The NAS can achieve encrypted read speeds of up to 226 MB/s and encrypted write speeds of up to 184 MB/s, while a dedicated hardware transcoding engine can transcode two-channel H.264 (AVC), H.265 (HEVC), MPEG-2, and VC-1 video at resolutions up to 4096 x 2160 at up to 30 fps via Video Station and DS video. This allows 4K videos to be converted and played on-the-fly on devices that do not natively support Ultra HD formats.
  
  Also featured are three USB 3.0 Type-A ports and eSATA port which allow it to be connected to your Windows or Mac system, and network connectivity is achieved via the dual Gigabit Ethernet ports that support Link Aggregation and Failover, allowing your stored data to be shared with users throughout the network. Data may also be made remotely available through the free iOS and Android applications. For those who require RAID support, the DS718+ supports RAID 0 and 1, as well Synology Hybrid RAID and Basic RAID, each of which offers performance, data redundancy, or a combination of both. For those who do not require a RAID, JBOD is also available, allowing each drive bay to be individually utilized. Additionally, once connected to a DX517 expansion unit, RAID 5, 6, and 10 are also supported.
  
  The DS718+ is engineered to be energy efficient. Not only does it offer a 92 x 92mm fan to help keep the system running cool at all times, its noise dampening design of 18.4 dB(A) makes for quiet operations. The server supports numerous scheduled power on/off cycles and hard drive hibernation to further minimize power consumption and operation expenses.
  
  The Synology DiskStation DS718+ 2-Bay NAS Enclosure operates on 100-240 VAC at 50/60 Hz and includes an accessory pack, a 65W AC power adapter, a power cord, and two RJ45 LAN cables. It is protected by a limited 3-year warranty.

  General Features

  Flexible Scalability Meets Growing Needs
  • The Synology DS718+ comes with a 1.5 GHz Intel Celeron J3455 Quad-Core (64-bit) processor with a burst speed of up to 2.3 GHz and 2GB of DDR3L RAM, delivering encrypted read speeds of up to 226 MB/s, encrypted write speeds of up to 184 MB/s, AES-NI hardware encryption, and 4K H.264/H.265 video transcoding.
  Btrfs: Next-Generation Storage Efficiency
  • The Btrfs file system introduces the advanced storage technologies to meet the management needs of modern large scale businesses:
    
    Flexible Shared Folder / User Quota System
    Provides comprehensive quota control on user accounts and shared folders.
    
    Snapshot Replication
    Provides schedulable and storage capacity-saving data protection with 1024 shared folder backups and 65,000 system-wide snapshots.
    
    File- or Folder-Level Data Restoration
    Makes data recovery fast and flexible.
    
    Automatic File Self-Healing
    Detects and recovers corrupted files without user intervention.
  File Management and Sharing
  • File Station is a web-based, fast and secure management tool built to allow easy, drag-and-drop operation without requiring any complex setup on Windows or Mac. Advanced search and filtering tools allow for easy organization and sharing of files with just a link. It supports SMB, FTP, AFP, NFS, and WebDAV, and is compatible with most environments.
  Synchronize Files Across Your Devices
  • Cloud Station Suite provides real-time data synchronization across all your devices and other Synology NAS. "Intelliversioning" keeps the most important file versions to better utilize storage space.
  Real-Time Collaboration on Your Private Cloud
  • Office is a collaboration package combining the convenience and usability of public clouds with the data privacy and security guaranteed by private clouds. It allows you to work seamlessly together on documents and spreadsheets in a protected environment.
  4K Multimedia Server
  • Access and stream your 4K media content virtually anytime and anywhere. The DS718+ supports 4K H.264/H.265 online transcoding via Video Station and DS video, allowing 4K videos to be converted and played on-the-fly on other computers, smartphones, and media players that don't natively support Ultra HD formats.
  Powered by Synology DSM
  • Surveillance Station
    Complete surveillance solution for recording, monitoring, and management.
    
    Desktop Backup
    Simplified backup solution for your Windows, Mac, and mobile devices.
    
    Hyper Backup
    Store multiple backup versions with block-level incremental data backup and cross-version deduplication. DSM UI
    Synology's DSM operating system has an intuitive user interface and powerful capabilities.
    
    Security
    Comprehensive built-in security tools are constantly updated to tackle evolving threats and protect your devices.
    
    All-in-One Server
    Save additional investments by integrating various network services, web/mail services, and management applications into your NAS.
  UPC: 846504002603

• DiskStation DS718+ 2-Bay NAS Enclosure rquuqteystcwcu
• Accessory Pack
• 65W AC Power Adapter
• AC Power Cord
• 2 x RJ45 LAN Cables
• Limited 3-Year Warranty

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Technical parameters

• Synology DiskStation DS718+ 2-Bay NAS Enclosure

  Number of Bays	2 x 2.5"/3.5"
  Media Card Slots	None
  Maximum Filled Capacity	24 TB 84 TB (with Expansion)
  Connections	3 x USB Type-A (USB 3.1 Gen 1 (5 Gb/s)) 1 x eSATA 2 x RJ45 (Gigabit Ethernet)
  Compatible Drive Interface	SATA
  Hot-Swap Support	Yes
  Link Aggregation and Failover Support	Yes
  Wake on LAN	Yes

  Total Raw Capacity	None
  Type	None
  Flash Memory	None

  Processor	Intel Celeron J3455 Quad-Core
  Clock Speed	Base: 1.5GHz / Maximum Boost: 2.3 GHz
  Total Installed Memory	2 GB DDR3L
  User-Replaceable Memory	1 x 2 GB
  Total Memory Slots	2
  Maximum Memory Capacity	6 GB

  Supported Protocols	AFP CIFS/SMB CalDAV FTP NFS OpenVPN PPTP SNMP SSH Telnet WebDAV iSCSI

  OS Compatibility	Windows 7 Windows 8.1 Windows 10 macOS 10.11 or Later
  File System Formats Supported	External: Btrfs, EXT3, EXT4, FAT, HFS+, NTFS, exFAT Internal: Btrfs, EXT4
  Supported Browsers	Chrome, Firefox, Internet Explorer, Safari
  Supported Languages	Brazilian Portuguese Czech Danish Dutch English French German Hungarian Italian Japanese Korean Norwegian Polish Portuguese Russian Simplified Chinese Spanish Swedish Traditional Chinese Turkish

  Power Consumption	20.1 W (Typical) 9.1 W (Standby)
  Power Source	AC Adapter
  AC Input Power	100 to 240 VAC, 50 / 60 Hz
  DC Input Power	65 VDC

  VPN Server Connections	20

  Operating Temperature	40 to 104°F / 4 to 40°C
  Operating Humidity	5 to 95%
  Storage Temperature	-5 to 140°F / -21 to 60°C
  Certifications	BSMI, CE, EAC, FCC, RCM, VCCI, as per Manufacturer

  Cooling	1 x 92 mm Fan
  Noise Level	18.4 dBA
  Status Monitoring	LED Indicator
  Dimensions	6.2 x 4.1 x 9.1" / 157.0 x 103.5 x 232.0 mm
  Weight	3.8 lb / 1.7 kg

  Box Dimensions (LxWxH)	11.181 x 10.472 x 4.882"

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