Synology DiskStation DS1517+

Synology DiskStation DS1517+ is a 5-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.

SKU: KR011 Category:

Additional information

Brand

Model

DS1517+ (2GB)

Weight

4.46 kg

Size (Height x Width x Depth)

166 mm x 250 mm x 243 mm

AC Input Power Voltage

100V to 240V AC

Num. of Hard drive bay

Series

Features

Centralized storage solution with outstanding performance

Synology DiskStation DS1517+ is a 5-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

1,165 MB/s sequential reading

Scalability

Up to 15 drives with two DX517 expansion units1

Specs
Hardware Specifications
CPU
CPU ModelIntel Atom C2538
CPU Architecture64-bit
CPU FrequencyQuad Core 2.4 GHz
Hardware Encryption Engine (AES-NI)
Memory
System Memory2/8 GB DDR3
Memory Module Pre-installed2GB (1 x 2GB) / 8GB (2 x 4GB)
Total Memory Slots2
Memory Expandable up to16 GB (8 GB x 2)
Storage
Drive Bays5
Maximum Drive Bays with Expansion Unit15
Compatible Drive Type* (See all supported drives)
  • 3.5″ SATA HDD
  • 2.5″ SATA HDD
  • 2.5″ SATA SSD
Maximum Internal Raw Capacity70 TB (14 TB drive x 5) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units210 TB
(70 TB + 14 TB drive x 10) (Capacity may vary by RAID types)
Maximum Single Volume Size108 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 Port4 (with Link Aggregation / Failover support)
USB 3.0 Port4
eSATA Port2
PCIe
PCIe Expansion1 x Gen2 x8 slot (x4 link)
Add-in-card support
  • M2D18 – Dual M.2 SATA SSD adapter card for SSD cache
  • PCIe Network Interface Card (Learn more)
NotesDS1517+ with M2D18 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*
NotesexFAT Access is purchased separately in Package Center.
Appearance
Size (Height x Width x Depth)166 mm x 250 mm x 243 mm
Weight4.46 kg
Others
System Fan80 mm x 80 mm x 2 pcs
Fan Speed Mode
  • Cool Mode
  • Quiet Mode
Easy Replacement System Fan
Brightness adjustable front LED indicators
Power Recovery
Noise Level*26.2 dB(A)
Scheduled Power On/Off
Wake on LAN/WAN
Power Supply Unit / Adapter200W
AC Input Power Voltage100V to 240V AC
Power Frequency50/60 Hz, Single Phase
Power Consumption*42.1 W (Access)
23.1 W (HDD Hibernation)
British Thermal Unit143.7 BTU/hr (Access)
78.9 BTU/hr (HDD Hibernation)
Environment Temperature
Operating Temperature5°C to 40°C (40°F to 104°F)
Storage Temperature-20°C to 60°C (-5°F to 140°F)
Relative Humidity5% to 95% RH
Certification
  • EAC
  • VCCI
  • CCC
  • RCM
  • KC
  • FCC
  • CE
  • BSMI
Warranty3 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 Number512
Maximum iSCSI Target Number128
Maximum iSCSI LUN256
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
  • RAID 10
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 Services
File ProtocolCIFS/AFP/NFS/FTP/WebDAV
Maximum Concurrent CIFS/AFP/FTP Connections500(2GB) / 2000(8GB)
Maximum Concurrent CIFS/AFP/FTP Connections (with RAM expansion)2000
Windows Access Control List (ACL) Integration
NFS Kerberos Authentication
Account & Shared Folder
Maximum Local User Accounts2048
Maximum Local Groups256
Maximum Shared Folder512
Maximum Shared Folder Sync Tasks8
High Availability Manager
Log Center
Syslog Events per Second800
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)
Antivirus by McAfee (Trial)
Central Management System
Chat
Maximum Users1500
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 Devices500 (2GB) / 2000 (8GB)
Maximum Number of Concurrently Connected Devices (with RAM expansion)2000
Maximum Number of Hosted Files (btrfs)1,000,000
Maximum Number of Hosted Files (ext4)1,000,000
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.
Document Viewer
Download Station
Maximum Concurrent Download Tasks80
exFAT Access (optional)
MailPlus / MailPlus Server
Free Email Accounts5 (Licenses required for additional accounts)
Maximum number of concurrent usersUp to 100
Maximum Server Performance897,000 emails per day, approx. 27GB
Notes
  • The CPU and RAM usage were both under 80% when testing the maximum number of concurrent users.
  • 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
Moments
Facial recognition
Subject recognition
Snapshot Replication
Maximum Snapshots per Shared Folder1024
Maximum of system snapshots65536
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)
NotesSurveillance 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.
Synology Drive
Recommended Number of Hosted Files1,000,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above)
Recommended Number of Concurrent Connections for PC Clients550 (the number of connections that can be maintained when the recommended number of hosted files was reached)
Notes
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Exceeding the limits above may result in longer response time in file operations.
  • Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.
Synology Office
Maximum Users1800
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
Video Station
Video TranscodingGroup 1 – Type 1 (See more)
Maximum Transcoding Channel Number1 channel, 30 FPS @ 1080p(1920×1080), H.264 (AVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1
Virtual Machine Manager
Recommended Virtual Machine Instances4 (Learn more)
Recommended Virtual DSM Number (Licenses required) 4 (including 1 Free License)
Notes
  • Virtual Machine Manager is not supported on hosts running Synology High Availability.
  • The specifications vary depending on system configuration and memory size.
VPN Server
Maximum Connections30
Environment & Packaging
EnvironmentRoHS 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
  • RAM1600DDR3L-4GBx2 DDR3 non-ECC SO-DIMM kit
  • RAM1600DDR3L-8GBx2 DDR3 non-ECC SO-DIMM kit
  • Expansion Unit: DX517 X 2
  • VS360HD
  • VS960HD
  • Synology Ethernet Adapter E10G18-T1
  • Synology Ethernet Adapter E10G18-T2
  • Synology Ethernet Adapter E10G17-F2
  • Synology M2D18 M.2 SSD adapter card
General
Networking Protocols
  • CalDAV
  • iSCSI
  • Telnet
  • SSH
  • SNMP
  • VPN (PPTP, OpenVPN, L2TP)
Windows AD Domain IntegrationDomain users login via SMB/NFS/AFP/FTP/File Station, LDAP integration
HDD Management
  • HDD Hibernation
  • S.M.A.R.T.
  • Dynamic Bad Sector Mapping
Supported Clients
  • Windows 7 and 10
  • Mac OS X 10.11 onward
Supported Browsers
  • Chrome
  • Firefox
  • Internet Explorer 10 onwards
  • Safari 10 onwards
  • Safari (iOS 10 onwards)
  • Chrome (Android 6.0 onwards)
Supported LanguageEnglish, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, ภาษาไทย, 日本語, 한국어, 繁體中文, 简体中文