DiskStation DS1817+ SAN/NAS Server

Centralized storage solution with outstanding performance

Synology DiskStation DS1817+ is a 8-bay NAS powered by a quad-core CPU with AES-NI hardware encryption engine. Coming with quad 1GbE LAN ports, it can be installed with a 10GbE network interface card (NIC) or a dual M.2 SSD adapter card, thereby enhancing network speeds or boosting performance with SSD cache.

  • CPU
    • Quad-core 2.4GHz
  • Memory
    • 2GB/8GB DDR3, up to 16GB (dual channel)
  • High Performance
    • 1,179 MB/s sequential reading
  • Scalability
    • Up to 18 drives with two DX517 expansion units

Supercharge your storage with speedy performance

Equipped with dual-channel memory and a PCIe slot, DS1817+ supports installing the dual M.2 SSD adapter card, M2D17, or the 10GbE NIC, for high-IOPS system cache and ultra-fast data transmission respectively.

  • M2D17
    • Dual M.2 SATA SSD slot, compatible with 2280/2260/2242 form factors
  • 10GbE
    • 10GbE network capacity for bandwidth intensive environments
  • RAM
    • Dual-channel memory that boosts the performance by 20%


Next-generation file system for effective data protection

The Btrfs file system introduces the most advanced storage technologies to prevent data corruption and reduce maintenance overhead with optimized snapshots. It ensures high-level data integrity, while taking advantage of flexible, efficient data protection and recovery tools.

  • Flexible Shared Folder / User Quota System provides comprehensive quota control on user accounts and shared folders
  • Snapshot Replication provides schedulable and storage capacity-saving data protection with 1,024 shared folder backups and 65,000 system-wide snapshots
  • File- or folder-level data restoration accelerates data recovery and provides flexibility
  • Automatic file self-healing detects and recovers corrupted files without user intervention

Ultimate file management and sharing

The web-based File Station is a user-friendly management tool built to allow intuitive, drag-and-drop operation without any complex setup required on your Mac or PC. The advanced search and filtering tools enable easy organization and sharing that entails just a link. Compatible with SMB, FTP, AFP, NFS, and WebDAV, File Station suits all environments.

Real-time collaboration on your private cloud

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.

Fully certified storage virtualization solutions

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.

Manufacturer Part Number
DS1817+ (8GB)
EAN/UPC
0846504002764,846504002764,4711174722761
Full Product Specifications

Note:

  • The full product specifications below are from the manufacturer and may contain information related to other package quantities that will not apply to the product that you are reviewing. Please confirm the actual content and/or package quantity from the main product specifications page.
  • These specifications may represent the entire product series/model/line to which this product belongs with specific configuration differences between the individual products stated.
  • These specifications may have been copied from the same product in other region/country in which case there might be minor differences in region-specific data such as Input Voltage, Terms of Warranty etc.

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 III / SATA II HDD

2.5" SATA III / SATA II HDD

2.5" SATA III / SATA II SSD

Maximum Internal Raw Capacity 80 TB (10 TB HDD x 8) (Capacity may vary by RAID types)

Maximum Raw Capacity with Expansion Units 180 TB (10 TB HDD x 18) (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.

For the optimal SSD cache performance, please see here.

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)

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

Wireless Support (dongle)

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 Years

Applicable Extended Warranty EW201 - 2 Year Extension

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

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)

SSD TRIM

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 400

Notes

The number of concurrent HTTP connections for Chat was configured to the maximum.

CPU and RAM usage were both under 80% when testing the recommended number of clients.

For tested models with expandable memory, the maximum amount of RAM was installed.

Cloud Station Server

Maximum Concurrent File Transfers 512 (2GB) / 2000 (8GB)

Maximum Concurrent File Transfers (with RAM expansion) 9000

DDSM

Maximum DDSM Number (Licenses required) 30 (including 1 Free License) (Learn more)

Document Viewer

Download Station

Maximum Concurrent Download Tasks 80

exFAT Access (optional)

HiDrive Backup

MailPlus / MailPlus Server

Free Email Accounts 5 (Licenses required for additional accounts)

Recommended MailPlus Client Number Up to 90

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 Certification

Office

Maximum Users 400

Maximum Simultaneous Editing Users 80

Notes

CPU and RAM usage were both under 80% when testing the recommended number of clients.

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 (1280x720)

900 (2GB RAM) / 1080 (8GB RAM) FPS @ 1080p (1920×1080)

320 (2GB RAM) / 480 (8GB RAM) FPS @ 3M (2048x1536)

270 (2GB RAM) / 280 (8GB RAM) FPS @ 5M (2591x1944)

Total FPS (MJPEG)* 540 (2GB RAM) / 760 (8GB RAM) FPS @ 720p (1280x720)

200 (2GB RAM) / 400 (8GB RAM) FPS @ 1080p (1920×1080)

150 (2GB RAM) / 280 (8GB RAM) FPS @ 3M (2048x1536)

90 (2GB RAM) / 200 (8GB RAM) 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 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

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

Synology Ethernet Adapter E10G15-F1

Synology Ethernet Adapter E10G17-F2

Synology M2D17 M.2 SSD adapter card