DiskStation DS1817

Description

Hardware Specification.

CPU

CPU ModelAnnapurna Labs Alpine AL-314
 CPU Architecture32-bit
 CPU FrequencyQuad Core 1.7 GHz
 Hardware Encryption Engine✓ 

Memory

System Memory4 GB DDR3L
 Memory Module Pre-installed4 GB (4 GB x 1)
 Total Memory Slots2
 Memory Expandable up to8 GB (4 GB x 2)
 NotesSynology reserves the right to replace memory modules with the same or higher frequency based on supplier’s product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance.

Storage

Drive Bays8
 Maximum Drive Bays with Expansion Unit18
 Compatible Drive Type* (See all supported drives)
  • 3.5″ SATA HDD
  • 2.5″ SATA HDD
  • 2.5″ SATA SSD
 Maximum Internal Raw Capacity128 TB (16 TB drive x 8) (Capacity may vary by RAID types)
 Maximum Raw Capacity with Expansion Units288 TB (128 TB + 16 TB drive x 10) (Capacity may vary by RAID types)
 Maximum Single Volume Size*108 TB
 Hot Swappable Drive✓ 
 Notes
  • “Compatible drive type” indicates the drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay.
  • The maximum raw capacity is not limited by the maximum single volume size. Synology NAS models may utilize capacities over the maximum single volume size as long as each volume created is below the limit. (Learn more)
  • Each internal volume (may consist of multiple drives) is expandable up to 108TB.

External Ports

RJ-45 1GbE LAN Port2 (with Link Aggregation / Failover support)
 RJ-45 10GbE LAN Port2 (with Link Aggregation / Failover support)
 USB 3.0 Port2
 eSATA Port2

File System

Internal Drives
  • EXT4
 External Drives
  • EXT4
  • EXT3
  • FAT
  • NTFS
  • HFS+
  • exFAT*
 NotesexFAT Access is purchased separately in Package Center.

Appearance

Size (Height x Width x Depth)157 mm x 340 mm x 233 mm
 Weight5.31 kg

Others

System Fan120 mm x 120 mm x 2 pcs
 Fan Speed Mode
  • Cool Mode
  • Quiet Mode
 Easy Replacement System Fan✓ 
 Power Recovery✓ 
 Noise Level*24.2 dB(A)
 Scheduled Power On / Off✓ 
 Wake on LAN / WAN✓ 
 Power Supply Unit / Adapter250 W
 AC Input Power Voltage100 V to 240 V AC
 Power Frequency50/60 Hz, Single Phase
 Power Consumption*59.1 W (Access)
26.4 W (HDD Hibernation)
 British Thermal Unit201.66 BTU/hr (Access)
90.08 BTU/hr (HDD Hibernation)
 Notes
  • Power consumption is measured when it’s fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
  • Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%

Temperature

Operating Temperature5°C to 40°C (40°F to 104°F)
 Storage Temperature-20°C to 60°C (-5°F to 140°F)
 Relative Humidity5% to 95% RH

Certification

  • EAC
  • CCC
  • RCM
  • KC
  • FCC
  • CE
  • BSMI

Warranty

3-year hardware warranty, extendable to 5-year coverage – EW201
 NotesThe warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)

Environment

RoHS Compliant

Packaging Content

  • Main Unit X 1
  • Welcome Note X 1
  • Accessory Pack X 1
  • AC Power Cord X 1
  • RJ-45 LAN Cable X 2

Optional Accessories

  • Surveillance Device License Pack
  • RAM1600DDR3-4G DDR3 non-ECC SO-DIMM
  • Expansion Unit: DX517 X 2
  • VS360HD
  • VS960HD

DSM Specifications(Software Specs.)

 

Storage Management

 Maximum Internal Volume Number64
 Maximum iSCSI Target Number128
 Maximum iSCSI LUN256
 iSCSI LUN Clone/Snapshot, Windows ODX 
 SSD Read / Write Cache (White Paper)✓ 
 SSD TRIM 
 Supported RAID Type
  • Synology Hybrid RAID
  • Basic
  • JBOD
  • RAID 0
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
 RAID Migration
  • Basic to RAID 1
  • Basic to RAID 5
  • RAID 1 to RAID 5
  • RAID 5 to RAID 6
 Volume Expansion with Larger HDDs
  • Synology Hybrid RAID
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
 Volume Expansion by Adding a HDD
  • Synology Hybrid RAID
  • JBOD
  • RAID 5
  • RAID 6
 Global Hot Spare Supported RAID Type
  • Synology Hybrid RAID
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10

File Services

 File ProtocolCIFS/AFP/NFS/FTP/WebDAV
 Maximum Concurrent CIFS/AFP/FTP Connections500
 Maximum Concurrent CIFS/AFP/FTP Connections (with RAM expansion)1,000
 Windows Access Control List (ACL) Integration✓ 
 NFS Kerberos Authentication✓ 

Account & Shared Folder

 Maximum Local User Accounts2,048
 Maximum Local Groups256
 Maximum Shared Folder256
 Maximum Shared Folder Sync Tasks8

High Availability

 Synology High Availability✓ 

Log Center

 Syslog Events per Second400

Virtualization

 VMware vSphere 6 with VAAI✓ 
 Windows Server 2012✓ 
 Windows Server 2012 R2✓ 
 Windows Server 2016✓ 
 Citrix Ready✓ 
 OpenStack✓ 

General Specifications

 Networking ProtocolsSMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV
 Supported Browsers
  • Chrome
  • Firefox
  • Edge
  • Internet Explorer 10 onwards
  • Safari 10 onwards
  • Safari (iOS 10 onwards)
  • Chrome (Android 6.0 onwards)
 Supported LanguageEnglish, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, ภาษาไทย, 日本語, 한국어, 繁體中文, 简体中文

Add-on Packages view the complete package list

 

Central Management System

 ✓ 

Synology Chat

 Maximum Users800
 Notes
  • The number of concurrent HTTP connections for Synology Chat was configured to the maximum.
  • For tested models with expandable memory, the maximum amount of RAM was installed.

Cloud Station Server

 Recommended Number of Hosted Files500,000
 Recommended Number of Concurrent Sync Clients1,000 (the number of connections that can be maintained when the recommended number of hosted files was reached)
 Notes
  • The maximum number of concurrently connected devices refers to the maximum number of devices that can remain connected at the same time.
  • The maximum number of hosted files refers to the maximum number of files that can be indexed and hosted by the Cloud Station Server service. RAM expansion was not used during testing.
  • Non-encrypted shared folders were used during the aforementioned testing.

Download Station

 Maximum Concurrent Download Tasks50

exFAT Access (Optional)

 ✓ 

Media Server

 DLNA Compliance✓ 

Moments

 Facial Recognition✓ 

Surveillance Station

 Maximum IP cam (Licenses required)30 (including 2 Free License) (See All Supported IP Cameras)
 Total FPS (H.264)*900 FPS @ 720p (1280×720)
480 FPS @ 1080p (1920×1080)
300 FPS @ 3M (2048×1536)
250 FPS @ 5M (2591×1944)
 Total FPS (MJPEG)*480 FPS @ 720p (1280×720)
300 FPS @ 1080p (1920×1080)
250 FPS @ 3M (2048×1536)
200 FPS @ 5M (2591×1944)
 NotesSurveillance Station throughput is tested with Axis network camera, using continuous recording with live view from Surveillance Station and motion detection by camera. Live view and recording are sharing the same stream from the camera.

Synology Drive

 Recommended Number of Hosted Files500,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above)
 Recommended Number of Concurrent Sync Clients450 (the number of connections that can be maintained when the recommended number of hosted files was reached)
 Notes
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Exceeding the limits above may result in longer response time in file operations.
  • EXT4 file system and non-encrypted shared folders were used during the aforementioned testing.

Synology Office

 Maximum Users400
 Notes
  • Multiple files were opened for testing and each file was edited by 30 users simultaneously.
  • CPU and RAM usage were both under 80% when the number of maximum users was reached.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM

Video Station

 Video TranscodingGroup 1 – Type 2 (See more)
 Maximum Transcoding Channel Number1 channel, 30 FPS @ 720p (1280×720), H.264 (AVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1

VPN Server

 

 Maximum Connections20

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