Synology NAS DS1817 8bay DiskStation (Diskless)

High capacity, fully-featured powerhouse
DS1817 is a powerful, scalable 8-bay NAS delivering outstanding data transfer rates. With built-in dual 10GbE LAN ports in addition to dual Gigabit ports, DS1817 supports Link Aggregation and failover functions for maximum performance and service continuity.
Hardware Specifications
CPU
CPU Model
Annapurna Labs Alpine AL-314
CPU Architecture
32-bit
CPU Frequency
Quad Core 1.7 GHz
Hardware Encryption Engine
Yes

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
3.5″ SATA HDD
2.5″ SATA HDD
2.5″ SATA SSD
Maximum Internal Raw Capacity
80 TB (10 TB drive x 8) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units
180 TB (10 TB drive x 18) (Capacity may vary by RAID types)
Maximum Single Volume Size
108 TB
Hot Swappable Drive
Yes

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.

Others
System Fan
120 mm x 120 mm x 2 pcs
Fan Speed Mode
Cool Mode
Quiet Mode
Easy Replacement System Fan
Yes
Wireless Support (dongle)
Yes
Power Recovery
Yes
Noise Level
24.2 dB(A)
Scheduled Power On/Off
Yes
Wake on LAN/WAN
Yes
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)
DSM Specifications
Storage Management
Maximum Internal Volume
Number
256
Maximum iSCSI Target Number
32
Maximum iSCSI LUN
256
iSCSI LUN Clone/Snapshot, Windows ODX
Yes
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

SSD Support
SSD Read/Write Cache (White Paper)
Yes
SSD TRIM
Yes

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
1024
Windows Access Control List (ACL) Integration
Yes
NFS Kerberos Authentication
Yes

High Availability Manager
Yes

Log Center
Yes
Syslog Events per Second
400
Virtualization
VMware vSphere 6 with VAAI
Yes
Windows Server 2012
Yes
Windows Server 2012 R2
Yes
Citrix Ready
Yes
OpenStack
Yes
Add-on Packages
Central Management System
Yes

Chat
Yes
Maximum Users
150
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
Yes
Maximum Concurrent File Transfers
1024
Maximum Concurrent File Transfers (with RAM expansion)
1200

Download Station
Yes
Maximum Concurrent Download Tasks
50

exFAT Access (optional)
Yes

Media Server
Yes
DLNA Compliance
Yes

Office
Yes
Maximum Users
150
Maximum Simultaneous Editing Users
40
Notes
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
Yes
Maximum IP cam (Licenses required)
30 (including 2 Free License)
Total FPS (H.264)
900 FPS 720p (1280×720)
480 FPS 1080p (19201080)
300 FPS 3M (2048×1536)
250 FPS 5M (2591×1944)
Total FPS (MJPEG)
480 FPS 720p (1280×720)
300 FPS 1080p (19201080)
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
Yes
Video Transcoding
Group 1 – Type 2
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
Yes
Maximum Connections
15
Environment and 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
4GB DDR3 RAM Module
Expansion Unit: DX517 X 2
VS360HD
Item Dimension (L inchxW inchxH inch)
18 x 14 x 11

Weight
20.001lb

Warranty Information
3 Year