DiskStation DS1817

Description

HARDWARE
SOFTWARE
HARDWARE

Hardware Specification.

CPU

CPU Model Annapurna Labs Alpine AL-314
  CPU Architecture 32-bit
  CPU Frequency Quad Core 1.7 GHz
  Hardware Encryption Engine ✓ 

Memory

System Memory 4 GB DDR3L
  Memory Module Pre-installed 4 GB (4 GB x 1)
  Total Memory Slots 2
  Memory Expandable up to 8 GB (4 GB x 2)
  Notes Synology 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 Bays 8
  Maximum Drive Bays with Expansion Unit 18
  Compatible Drive Type* (See all supported drives)
  • 3.5″ SATA HDD
  • 2.5″ SATA HDD
  • 2.5″ SATA SSD
  Maximum Internal Raw Capacity 128 TB (16 TB drive x 8) (Capacity may vary by RAID types)
  Maximum Raw Capacity with Expansion Units 288 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 Port 2 (with Link Aggregation / Failover support)
  RJ-45 10GbE LAN Port 2 (with Link Aggregation / Failover support)
  USB 3.0 Port 2
  eSATA Port 2

File System

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

Appearance

Size (Height x Width x Depth) 157 mm x 340 mm x 233 mm
  Weight 5.31 kg

Others

System Fan 120 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 / Adapter 250 W
  AC Input Power Voltage 100 V to 240 V AC
  Power Frequency 50/60 Hz, Single Phase
  Power Consumption* 59.1 W (Access)
26.4 W (HDD Hibernation)
  British Thermal Unit 201.66 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 Temperature 5°C to 40°C (40°F to 104°F)
  Storage Temperature -20°C to 60°C (-5°F to 140°F)
  Relative Humidity 5% to 95% RH

Certification

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

Warranty

3-year hardware warranty, extendable to 5-year coverage – EW201
  Notes The 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

SOFTWARE

DSM Specifications(Software Specs.)

 

Storage Management

  Maximum Internal Volume Number 64
  Maximum iSCSI Target Number 128
  Maximum iSCSI LUN 256
  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 Protocol CIFS/AFP/NFS/FTP/WebDAV
  Maximum Concurrent CIFS/AFP/FTP Connections 500
  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 Accounts 2,048
  Maximum Local Groups 256
  Maximum Shared Folder 256
  Maximum Shared Folder Sync Tasks 8

High Availability

  Synology High Availability ✓ 

Log Center

  Syslog Events per Second 400

Virtualization

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

General Specifications

  Networking Protocols SMB1 (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 Language English, 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 Users 800
  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 Files 500,000
  Recommended Number of Concurrent Sync Clients 1,000 (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 Tasks 50

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)
  Notes Surveillance 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 Files 500,000 (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 Clients 450 (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 Users 400
  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 Transcoding Group 1 – Type 2 (See more)
  Maximum Transcoding Channel Number 1 channel, 30 FPS @ 720p (1280×720), H.264 (AVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1

VPN Server

 

  Maximum Connections 20

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