Synology DiskStation DS1517+ (2GB) 5-Bay NAS – DS1517+ (2GB)
DiskStation DS1517+
High performance NAS optimized for encryption and intensive tasks
Overview
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
Supercharge your storage with speedy performance
Equipped with dual-channel memory and a PCIe slot, DS1517+ supports installing the dual M.2 SSD adapter card, M2D18, or the 10GbE NIC, for high-IOPS system cache and ultra-fast data transmission respectively.
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M2D18
Dual M.2 SATA SSD slot, compatible with 2280/2260/2242 form factors
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10GbE
10GbE network capacity for bandwidth intensive environments -
RAM
Dual-channel memory that boosts the performance by 20%
Btrfs: Next generation storage efficiency
Btrfs file system introduces the most advanced storage technologies to meet the management needs of modern large scale businesses:
Flexible Shared Folder/User Quota System provides comprehensive quota control on all 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 makes data recovery fast and flexible
Automatic file self-healing detects and recovers corrupted files without user intervention
Ultimate file management and sharing
File Station is a web-based, fast and secure management tool built to allow easy, drag-and-drop operations without requiring any complex setup on Mac or PC. Advanced search and filtering tools allow for easy organization and file sharing. For complete compatibility, DS1517+ supports the following protocols: AFP, FTP, iSCSI, NFS, SMB, and WebDAV.
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.
Powered by Synology DSM
Surveillance Station
Complete surveillance solution for recording, monitoring, and management.
Hyper Backup
Store multiple backup versions with block-level incremental data backup and cross-version deduplication.
DSM UI
Award-winning operating system with an intuitive user interface and powerful capabilities.
Security
Comprehensive built-in security tools are constantly updated to tackle evolving threats and protect your devices.
All-in-one server
Save additional investment by integrating various network services, web/mail services, management applications into your NAS.
- (1) Status indicator
- (2) Alert indicator
- (3) Drive status indicator
- (4) Drive tray lock
- (5) Power button and indicator
- (6) LAN indicator
- (7) USB 3.0 port
- (8) Fan
- (9) Power port
- (10) Kensington Security Slot
- (11) 1GbE RJ-45 port
- (12) eSATA port
- (13) PCIe 2.0 slot
- (14) Reset button
- (15) USB 3.0 port
Detailed Tech Specification
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 GB DDR3 |
| Memory Module Pre-installed | 2GB (1 x 2GB) |
| Total Memory Slots | 2 |
| Memory Expandable up to | 16 GB (8 GB x 2) |
| Notes | Synology reserves the right to replace memory modules with the same or higher frequency based on supplier’s product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance. |
Storage |
|
| Drive Bays | 5 |
| Maximum Drive Bays with Expansion Unit | 15 |
| Compatible Drive Type* (See all supported drives) |
|
| Maximum Internal Raw Capacity | 70 TB (14 TB drive x 5) (Capacity may vary by RAID types) |
| Maximum Raw Capacity with Expansion Units | 210 TB (70 TB + 14 TB drive x 10) (Capacity may vary by RAID types) |
| Maximum Single Volume Size | 108 TB |
| Hot Swappable Drive |
✓ |
| Notes |
|
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 |
|
| Notes | DS1517+ with M2D18 can only support M.2 SATA SSD. M.2 NVMe/AHCI PCIe SSD is not supported. |
File System |
|
| Internal Drives |
|
| External Drives |
|
| Notes | exFAT Access is purchased separately in Package Center. |
Appearance |
|
| Size (Height x Width x Depth) | 166 mm x 250 mm x 243 mm |
| Weight | 4.46 kg |
| Notes | The rail kit is sold separatelty. |
Others |
|
| System Fan | 80 mm x 80 mm x 2 pcs |
| Fan Speed 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 / Adapter | 200W |
| AC Input Power Voltage | 100V to 240V AC |
| Power Frequency | 50/60 Hz, Single Phase |
| Power Consumption* | 42.1 W (Access) 23.1 W (HDD Hibernation) |
| British Thermal Unit | 143.7 BTU/hr (Access) 78.9 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 |
|
Warranty |
3 Year Hardware Warranty |
Notes |
|
DSM Specifications ( See more ) |
|
Storage Management |
|
| Maximum Internal Volume Number | 512 |
| Maximum iSCSI Target Number | 128 |
| Maximum iSCSI LUN | 256 |
| iSCSI LUN Clone/Snapshot, Windows ODX |
✓ |
| SSD Read/Write Cache (White Paper) |
✓ |
| SSD TRIM |
✓ |
| Supported RAID Type |
|
| RAID Migration |
|
| Volume Expansion with Larger HDDs |
|
| Volume Expansion by Adding a HDD |
|
| Global Hot Spare Supported RAID Type |
|
File Services |
|
| File Protocol | CIFS/AFP/NFS/FTP/WebDAV |
| Maximum Concurrent CIFS/AFP/FTP Connections | 500(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 Accounts | 2048 |
| Maximum Local Groups | 256 |
| Maximum Shared Folder | 512 |
| Maximum Shared Folder Sync Tasks | 8 |
High Availability Manager |
✓ |
Log Center |
✓ |
| Syslog Events per Second | 800 |
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 Users | 1500 |
| Notes |
|
Cloud Station Server |
✓ |
| Maximum Number of Concurrently Connected Devices | 500 (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 |
|
Document Viewer |
✓ |
Download Station |
✓ |
| Maximum Concurrent Download Tasks | 80 |
exFAT Access (optional) |
✓ |
MailPlus / MailPlus Server |
✓ |
| Free Email Accounts | 5 (Licenses required for additional accounts) |
| Maximum number of concurrent users | Up to 100 |
| Maximum Server Performance | 897,000 emails per day, approx. 27GB |
| Notes |
|
Media Server |
✓ |
| DLNA Compliance |
✓ |
Moments |
✓ |
| Facial recognition |
✓ |
| Subject recognition |
✓ |
| Auto Color & Rotate |
✓ |
| Moments Select |
✓ |
Snapshot Replication |
✓ |
| Maximum Snapshots per Shared Folder | 1024 |
| Maximum of system snapshots | 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. |
Synology Drive |
✓ |
| Recommended Number of Hosted Files | 1,000,000 (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 Clients | 550 (the number of connections that can be maintained when the recommended number of hosted files was reached) |
| Notes |
|
Synology Office |
✓ |
| Maximum Users | 1800 |
| Notes |
|
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 |
✓ |
| Recommended Virtual Machine Instances | 4 (Learn more) |
| Recommended Virtual DSM Number(Licenses required) | 4 (including 1 Free License) |
| Notes |
|
VPN Server |
✓ |
| Maximum Connections | 30 |
Environment & Packaging |
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Environment |
RoHS Compliant |
Packaging Content |
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Optional Accessories |
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