Capable of transcoding up to 2-channel, 4K video simultaneously, DS1019+ provides a remarkable video streaming experience for advanced home users. Its versatile built-in applications including collaboration, file sharing, data backup and recovery also fulfill SOHO users’ various needs, accelerate office productivity, it is even ready for virtualization deployment.
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.
2GB/8GB DDR3, up to 16GB (dual channel)
1,165 MB/s sequential reading
Up to 15 drives with two DX517 expansion units1
Intel Celeron J3455
Quad Core 1.5 burst up to 2.3 GHz
Hardware Encryption Engine (AES-NI)
Hardware Transcoding Engine
H.264 (AVC), H.265 (HEVC), MPEG-2 and VC-1; maximum resolution: 4K (4096 x 2160); maximum frame rate per second (FPS): 30
8 GB DDR3L
Memory Module Pre-installed
8 GB (4 GB x 2)
Total Memory Slots
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.
70 TB (14 TB drive x 5) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units
140 TB (70 TB + 14 TB drive x 5) (Capacity may vary by RAID types)
Maximum Single Volume Size
Hot Swappable Drive
“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)
RJ-45 1GbE LAN Port
2 (with Link Aggregation / Failover support)
USB 3.0 Port
exFAT Access is purchased separately in Package Center.
3 Year Hardware Warranty, Extendable to 5 Year Coverage – EW201
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%
The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)
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.
Recommended Number of Hosted Files
500,000 (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
450 (the number of connections that can be maintained when the recommended number of hosted files was reached)
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.
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