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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.
Quad-core 1.7GHz
4GB DDR3L, up to 8GB
1,577 MB/s sequential reading
Up to 18 drives with two DX517 expansion units
Cloud Station Suite provides real-time data synchronization across all your devices, such as computers, mobile devices, and other Synology NAS whenever a file is modified. "Intelliversioning" keeps the most important file versions to better utilize storage space. Learn more
Cloud Station Drive
Cloud Station Sever
DS Cloud
File Station is a web-based, fast and secure management tool built to allow easy, drag-and-drop operation without requiring any complex setup on Mac or PC. Advanced search and filtering tools allow for easy organization and sharing of files with just a link. Supports SMB, FTP, AFP, NFS, WebDAV, compatible with any environment.
Office is a collaboration package combining the convenience and usability of public clouds with the data privacy and security guaranteed by private clouds. It allows you to work seamlessly together on documents and spreadsheets in a protected environment.
Enjoy a complete hardware and data redundancy solution with Synology High Availability (SHA) in case of unforeseen disasters. After joining two Synology NAS devices to form a high-availability cluster, the NAS acting as the active server will handle all data operations and services, while cloning the entire system to the passive standby server.
Synology iSCSI storage fully supports most virtualization solutions to enhance work efficiency with easy management interface. VMware vSphere 6 and VAAI integration helps offload storage operations and optimizes computation efficiency. Windows Offloaded Data Transfer (ODX) speeds up data transfer and migration rate. OpenStack Cinder support turns your Synology NAS into a block-based storage component.
Complete surveillance solution for recording, monitoring, and management.
Learn moreBackup and synchronize data easily between your public cloud accounts and your NAS.
Learn moreAward-winning operating system with an intuitive user interface and powerful capabilities.
Learn moreComprehensive built-in security tools are constantly updated to tackle evolving threats and protect your devices.
Learn more
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) |
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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 | |
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 |
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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 |
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Easy Replacement System Fan | |
Wireless Support (dongle) | |
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 |
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Warranty | 3 Year Hardware Warranty |
Notes |
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DSM Specifications ( See more ) | |
Storage Management | |
Maximum Internal Volume Number | 256 |
Maximum iSCSI Target Number | 32 |
Maximum iSCSI LUN | 256 |
iSCSI LUN Clone/Snapshot, Windows ODX | |
Supported RAID Type |
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RAID Migration |
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Volume Expansion with Larger HDDs |
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Volume Expansion by Adding a HDD |
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Global Hot Spare Supported RAID Type |
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SSD Support | |
SSD Read/Write Cache (White Paper) | |
SSD TRIM | |
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 | |
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 | |
Citrix Ready | |
OpenStack | |
Add-on Packages (learn more about the complete add-on package list) | |
Central Management System | |
Chat | |
Maximum Users | 150 |
Notes |
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Cloud Station Server | |
Maximum Concurrent File Transfers | 1024 |
Maximum Concurrent File Transfers (with RAM expansion) | 1200 |
Download Station | |
Maximum Concurrent Download Tasks | 50 |
exFAT Access (optional) | |
Media Server | |
DLNA Compliance | |
Office | |
Maximum Users | 150 |
Maximum Simultaneous Editing Users | 40 |
Notes |
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Surveillance Station | |
Maximum IP cam (Licenses required) | 30 (including 2 Free License) (See All Supported IP Cameras) |
Total FPS (H.264)* | 900 FPS @ 720p (1280x720) 480 FPS @ 1080p (1920×1080) 300 FPS @ 3M (2048x1536) 250 FPS @ 5M (2591x1944) |
Total FPS (MJPEG)* | 480 FPS @ 720p (1280x720) 300 FPS @ 1080p (1920×1080) 250 FPS @ 3M (2048x1536) 200 FPS @ 5M (2591x1944) |
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 (1280x720), H.264 (AVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1 |
VPN Server | |
Maximum Connections | 15 |
Environment & Packaging | |
Environment | RoHS Compliant |
Packaging Content |
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Optional Accessories |
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