Streamline your data management
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Scalable NAS with SSD cache acceleration capability
Synology DiskStation DS1520+ is an ideal network-attached storage solution suitable for small office and IT enthusiasts. Two built-in M.2 SSD slots and Synology SSD Cache technology allow you to boost system I/O and application performance. The scalable storage design of DS1520+ lets you start small and expand storage capacity with Synology DX517 as your data grows.
4-core 2.0 GHz, burst up to 2.7 GHz
Expand up to 15 drives with a DX517 expansion unit
2 x built-in M.2 2280 NVMe SSD slots
Optimize performance and capacity
DS1520+ provides two built-in M.2 SSD slots so that you can take full advantage of Synology SSD Cache functionality. Add SSD cache for up to 20 times faster I/O response without using front drive bays. You can add 10 more drives with two Synology DX517 to expand storage capacity.
Btrfs: Next generation storage efficiency
The Btrfs file system introduces cutting-edge storage technologies and optimized snapshots to prevent data corruption and reduce maintenance overhead. While ensuring high-level data integrity, it also offers flexible, efficient data protection and recovery tools.
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, DS1520Plus supports the following protocols: AFP, FTP, iSCSI, NFS, SMB, and WebDAV.
Access and sync your files seamlessly
Synology Drive provides a built-in universal portal to access your data anytime and anywhere, and synchronize all your files across platforms, including Windows, macOS, Linux, Android, and iOS.
- Sync files on demand: Save the storage space and network bandwidth of your PC.
- Go back in time: Easily retrieve previous versions of your shared files.
- Back up your data: Protect your files with scheduled backups or in real-time.
Stream content to your TV
Turn your Synology NAS into a home media hub and stream your digital contents to computers, mobile devices, Samsung TV, Apple TV, Google Chromecast, and DLNA devices.
Complete multimedia solution for management, streaming, and playback.
Store multiple backup versions with block-level incremental data backup and cross-version deduplication.
Simplified backup solution for your Mac, PC, and mobile devices.
Schedulable and instantaneous data protection of shared folders and iSCSI LUNs for quick disaster recovery.
Complete surveillance solution for recording, monitoring, and management.
Virtual Machine Manager
Run various operating systems in isolated sandboxes. Seamlessly clone, restore and migrate virtual machines.
|DS1520+ Hardware Specifications|
|CPU Model||Intel Celeron J4125|
|CPU Frequency||4-core 2.0 (base) / 2.7 (burst) GHz|
|Hardware Encryption Engine (AES-NI)|
|System Memory||8 GB DDR4 non-ECC|
|Memory Module Pre-installed||8 GB (4 GB + 4 GB)|
|Total Memory Slots||1|
|Maximum Drive Bays with Expansion Unit||15 (DX517 x 2)|
|M.2 Drive Slots||2 (NVMe)|
|Compatible Drive Type* (See all supported drives)||
|Maximum Internal Raw Capacity||80 TB (16 TB drive x 5) (Capacity may vary by RAID types)|
|Maximum Raw Capacity with Expansion Units||240 TB (80 TB + 16 TB drive x 10) (Capacity may vary by RAID types)|
|Maximum Single Volume Size*||108 TB|
|Hot Swappable Drive|
|RJ-45 1GbE LAN Port||4 (with Link Aggregation / Failover support)|
|USB 3.0 Port||2|
|Notes||exFAT Access is purchased separately in Package Center.|
|Size (Height x Width x Depth)||166 mm x 230 mm x 223 mm|
|System Fan||92 mm x 92 mm x 2 pcs|
|Fan Speed Mode||
|Brightness Adjustable Front LED Indicators|
|Noise Level*||20.8 dB(A)|
|Scheduled Power On / Off|
|Wake on LAN / WAN|
|Power Supply Unit / Adapter||120 W|
|AC Input Power Voltage||100 V to 240 V AC|
|Power Frequency||50/60 Hz, Single Phase|
|Power Consumption*||36.67 W (Access)
15.51 W (HDD Hibernation)
|British Thermal Unit||125.21 BTU/hr (Access)
52.96 BTU/hr (HDD Hibernation)
|Operating Temperature||0°C to 40°C (32°F to 104°F)|
|Storage Temperature||-20°C to 60°C (-5°F to 140°F)|
|Relative Humidity||5% to 95% RH|
|3-year hardware warranty, extendable to 5-year coverage - EW201|
|Notes||The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)|
Download the Synology DiskStation DS1520+ Datasheet (PDF).
- Pricing and product availability subject to change without notice.