Synology DS1817+

DiskStation DS1817+

High performance NAS optimized for encryption and intensive tasks

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Description

 

Hardware Specifications
CPU
CPU Model Intel Atom C2538
CPU Architecture 64-bit
CPU Frequency Quad Core 2.4 GHz
Hardware Encryption Engine (AES-NI)
Memory
System Memory 2/8 GB DDR3
Memory Module Pre-installed 2GB (1 x 2GB) / 8GB (2 x 4GB)
Total Memory Slots 2
Memory Expandable up to 16 GB (8 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 96 TB (12 TB drive x 8) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units 216 TB (96 TB + 12 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.
  • 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 4 (with Link Aggregation / Failover support)
USB 3.0 Port 4
eSATA Port 2
PCIe
PCIe Expansion 1 x Gen2 x8 slot (x4 link)
Add-in-card support
  • M2D17 – Dual M.2 SSD adapter card for SSD cache
  • PCIe Network Interface Card (Learn more)
Notes DS1817+ with M2D17 can only support M.2 SATA SSD. M.2 NVMe/AHCI PCIe SSD is not supported.
File System
Internal Drives
  • Btrfs
  • EXT4
External Drives
  • Btrfs
  • EXT4
  • EXT3
  • FAT
  • NTFS
  • HFS+
  • exFAT*
Notes exFAT Access is purchased separately in Package Center.
Appearance
Size (Height x Width x Depth) 166 mm x 343 mm x 243 mm
Weight 6.0 kg
Others
System Fan 120 mm x 120 mm x 2 pcs
Fan Speed Mode
  • Cool Mode
  • Quiet Mode
Easy Replacement System Fan  √
Brightness adjustable front LED indicators  √
Power Recovery  √
Noise Level* 22.2 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* 61.5 W (Access)
31.6 W (HDD Hibernation)
British Thermal Unit 156.55 BTU/hr (Access)
86.09 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
  • FCC Class B
  • CE Class B
  • BSMI Class B
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 1TB ST31000520AS 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 512
Maximum iSCSI Target Number 32
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 512
Maximum Shared Folder Sync Tasks 8
Maximum Concurrent CIFS/AFP/FTP Connections 512(2GB) / 2048(8GB)
Windows Access Control List (ACL) Integration
NFS Kerberos Authentication  √
High Availability Manager  √
Log Center  √
Syslog Events per Second 800
Virtualization
VMware vSphere 6 with VAAI  √
Windows Server 2012  √
Windows Server 2012 R2  √
Citrix Ready  √
OpenStack  √
Add-on Packages (learn more about the complete add-on package list)
Antivirus by McAfee (Trial)  √
Central Management System  √
Chat  √
Maximum Users 1500
Notes
  • The number of concurrent HTTP connections for Chat was configured to the maximum.
  • 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.
Cloud Station Server  √
Maximum Number of Concurrently Connected Devices 512 (2GB) / 2000 (8GB)
Maximum Number of Concurrently Connected Devices (with RAM expansion) 2000
Maximum Number of Synced Files (btrfs) 1,000,000 / single file reaction time 827 (2GB) / 872 (8GB) ms
Maximum Number of Synced Files (ext4) 1,000,000 / single file reaction time 533 (2GB) / 512 (8GB) ms
Notes
  • The maximum number of concurrently connected devices refers to the maximum number of devices that can remain connected at the same time. For more information on file processing capability, please refer to the reaction time for file processing.
  • File reaction time refers to the preparation time required for other devices to start downloading a 10KByte file from a Synology NAS after the file has been added to the NAS. RAM expansion was not used during testing.
  • Non-encrypted shared folders were used during the aforementioned testing.
Document Viewer  √
Download Station  √
Maximum Concurrent Download Tasks 80
exFAT Access (optional)  √
MailPlus / MailPlus Server  √
Free Email Accounts (Licenses required for additional accounts)
Recommended MailPlus Client Number Up to 90(btrfs)/100(ext4)
Maximum Server Performance 825,000 emails per day, approx. 25.18 GB
Notes
  • The CPU and RAM usages were both under 80% when testing recommended client numbers.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Read-write SSD cache was enabled in 5-bay (and above) NAS models with 2 SSDs units installed.
  • The performance of the mail system will slightly decrease in high-availability mode due to data synchronization between the two servers.
  • Functions that were enabled in all of the tests above: anti-spam, anti-virus, DNSBL, greylist, content scan, full-text search (English only).
Media Server
DLNA Compliance  √
Office  √
Maximum Users 400
Notes
  • 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
Snapshot Replication  √
Maximum Snapshots per Shared Folder 1024
Maximum Snapshots of all Shared Folder 65536
Surveillance Station  √
Maximum IP cam (Licenses required) 40 (including 2 Free License) (See All Supported IP Cameras)
Total FPS (H.264)* 1200 (2GB RAM) / 1200 (8GB RAM) FPS @ 720p (1280×720)
900 (2GB RAM) / 1080 (8GB RAM) FPS @ 1080p (1920×1080)
320 (2GB RAM) / 480 (8GB RAM) FPS @ 3M (2048×1536)
270 (2GB RAM) / 280 (8GB RAM) FPS @ 5M (2591×1944)
120 (2GB RAM) / 160 (8GB RAM) FPS @ 4K (3840×2160)
Total FPS (H.265)* 1200 (2GB RAM) / 1200 (8GB RAM) FPS @ 720p (1280×720)
1200 (2GB RAM) / 1200 (8GB RAM) FPS @ 1080p (1920×1080)
560 (2GB RAM) / 1120 (8GB RAM) FPS @ 3M (2048×1536)
300 (2GB RAM) / 760 (8GB RAM) FPS @ 5M (2591×1944)
200 (2GB RAM) / 480 (8GB RAM) FPS @ 4K (3840×2160)
Total FPS (MJPEG)* 540 (2GB RAM) / 760 (8GB RAM) FPS @ 720p (1280×720)
200 (2GB RAM) / 400 (8GB RAM) FPS @ 1080p (1920×1080)
150 (2GB RAM) / 280 (8GB RAM) FPS @ 3M (2048×1536)
90 (2GB RAM) / 200 (8GB RAM) 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 1 (See more)
Maximum Transcoding Channel Number 1 channel, 30 FPS @ 1080p(1920×1080), H.264 (AVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1
Virtual Machine Manager  √
Maximum Virtual DSM Number (Licenses required) 4 (including 1 Free License) (Learn more)
VPN Server  √
Maximum Connections 20
Environment & Packaging
Environment RoHS Compliant
Packaging Content
  • Main Unit X 1
  • Accessory Pack X 1
  • AC Power Cord X 1
  • RJ-45 LAN Cable X 2
  • Quick Installation Guide X 1
Optional Accessories
  • Surveillance Device License Pack
  • 8GB (4GB x 2) DDR3 RAM Module Kit
  • 16GB (8GB x 2) DDR3 RAM Module Kit
  • Expansion Unit: DX517 X 2
  • VS360HD
  • VS960HD
  • Synology Ethernet Adapter E10G15-F1
  • Synology Ethernet Adapter E10G17-F2
  • Synology M2D17 M.2 SSD adapter card