High performance NAS optimized for encryption and intensive tasks
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 Model Intel Atom C2538 CPU Architecture 64-bit CPU Frequency Quad Core 2.4 GHz Hardware Encryption Engine (AES-NI)
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)
Maximum Drive Bays with Expansion Unit
Compatible Drive Type* (See all supported drives)
3.5" SATA HDD 2.5" SATA HDD 2.5" SATA SSD
Maximum Internal Raw Capacity
50 TB (10 TB HDD x 5) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units
150 TB (10 TB HDD x 15) (Capacity may vary by RAID types)
Maximum Single Volume Size
"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. Expansion of the internal volume is only supported if the combined single volume size does not exceed the maximum limit of 108TB.
RJ-45 1GbE LAN Port 4 (with Link Aggregation / Failover support) USB 3.0 Port 4 eSATA Port 2
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)
Btrfs EXT4 EXT3 FAT NTFS HFS+ exFAT*
exFAT Access is purchased separately in Package Center.
Size (Height x Width x Depth) 166 mm x 250 mm x 243 mm Weight 4.46 kg
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
FCC Class B CE Class B BSMI Class B
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‹ÅC; Humidity: 58.2-61.8%
Maximum Internal Volume Number 512 Maximum iSCSI Target Number 32 Maximum iSCSI LUN 256 iSCSI LUN Clone/Snapshot, Windows ODX
* Specifications are subject to change without notice.
* Specifications may vary.
* The product picture(s) is only for your reference, it may differ from the actual product.