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SYNOLOGY SCALABLE NAS 8-BAY DISKSTATION (Up to 18 Bays) DS1817

  • Scalable quad-core 8-bay storage solution with upgradable memory of up to 8GB
  • Outstanding throughput at over 1,577 MB/s reading and 739 MB/s writing and operating temperature is 5 degree Celsius to 40 degree Celsius (40 degree Fahrenheit to 104 degree Fahrenheit)
  • Two 10GBASE-T (RJ-45) ports with failover and Link Aggregation support
  • Scalable up to 18 drives with two DX517 expansion units
  • Synology High Availability (SHA)

$1,502.00

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Description

Hardware Specifications
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 4GB (1 x 4GB)
Total Memory Slots 2
Memory Expandable up to 8 GB (4 GB x 2)
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 112 TB (14 TB drive x 8) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units 252 TB (112 TB + 14 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)
  • Expansion of the internal volume is only supported if the combined single volume size does not exceed the maximum limit of 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 250W
AC Input Power Voltage 100V to 240V 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)
Environment 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
  • Power consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
  • Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in idle; Two G.R.A.S. Type 40AE microphones, each set up at 1 meter away from the Synology NAS front and rear; Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%
DSM Specifications ( See more )
Storage Management
Maximum Internal Volume Number 256
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
Volume Expansion by Adding a HDD
  • Synology Hybrid RAID
  • RAID 5
  • RAID 6
  • JBOD
Global Hot Spare Supported RAID Type
  • Synology Hybrid RAID
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
File Sharing Capacity
Maximum Local User Accounts 2048
Maximum Local Groups 256
Maximum Shared Folder 256
Maximum Shared Folder Sync Tasks 4
Maximum Concurrent CIFS/AFP/FTP Connections 500
Maximum Concurrent CIFS/AFP/FTP Connections (with RAM expansion) 1000
Windows Access Control List (ACL) Integration  √
NFS Kerberos Authentication  √
High Availability Manager  √
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  √
Add-on Packages (learn more about the complete add-on package list)
Central Management System  √
Chat  √
Maximum Users 800
Notes
  • The number of concurrent HTTP connections for Chat was configured to the maximum.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
Cloud Station Server  √
Maximum Number of Concurrently Connected Devices 1000
Maximum Number of Concurrently Connected Devices (with RAM expansion) 1200
Maximum Number of Hosted Files (ext4) 500,000
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
Drive  √
Maximum Number of Hosted Files 500,000
Maximum Number of Concurrent Connections for PC Clients 450
Notes
  • The EXT4 file system was used for the purpose of testing.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
exFAT Access (optional)  √
Media Server  v
DLNA Compliance  √
Moments  √
Facial recognition  √
Subject recognition  √
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
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.
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
Notes
VPN Server  √
Maximum Connections 15
Environment & Packaging
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

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