Versatile data hub for home and office
A trademark of Ziff Davis, LLC. Used under license.
The 5-bay Synology DiskStation DS1522+ is easy to scale and expand as your needs change, with optional support for up to 15 drives, 10GbE networking, and NVMe SSD caching. Powered by Synology DiskStation Manager (DSM), it offers a flexible all-in-one solution for data sharing, synchronization, backup, and surveillance.
Over 736/796 MB/s sequential read/write1
8 GB DDR4 ECC (max. 32 GB)
Four built-in 1GbE ports with easy 10GbE option2
Up to 15 drive bays with 2 DX517 expansion units2
A trademark of Ziff Davis, LLC. Used under license.Synology has won the Readers' Choice & Business Choice for best NAS devices in 2024 from PCMag. This is the 13th consecutive year Synology has won the Readers' Choice award and 10th overall win for Business Choice award. Learn more
DS1522+ can handle more demanding application workloads and a greater number of concurrent users compared to prior-generation systems. Experience faster file indexing in Synology Drive, photo organization in Photos, and concurrent file transfers.
Reduce transfer times with the DS1522+, designed to accelerate your workloads. Easily add faster networking and NVMe drives to further boost performance.
Up to
736/796 MB/s
read/write
Up to
10GbE
networking
2 x M.2
NVMe
cache & storage pool
Make the most of high-performance networking and file access without taking up unnecessary space. DS1522+ comes equipped with 5 bays and can scale up to 15 bays with 2 DX517 expansion units as your data needs grow.
5 bays 80 TB
15 bays 240 TB
Manage all your documents, photos, and other files, back up applications and devices, or protect your assets with professional video surveillance.
Store and access files from all your devices, and protect them with smart versioning. Sort, manage, share, and sync your data across locations.
Store, sync, and access data from any device, wherever you are with Synology’s private cloud solution. Sync data between different platforms and devices, and access your files through mobile apps, desktop clients, and a browser-based interface. Leverage smart versioning to back up important data via desktop and mobile applications. Learn more
Use shared folders on your Synology device as reliable storage available from anywhere on your local network over all common protocols (SMB/NFS/WebDAV/FTP). Protect your files against accidental changes and removal or even malware attacks with built-in snapshot technology and other backup options.
Rely on our file, photo, and multimedia management apps to sort your data by metadata, filters, and labels. Safely share files and folders with family, colleagues, or business customers thanks to granular access and sharing permissions. Create convenient sharing links and secure shared files with expiration dates and individual passwords. Let friends or clients review photos remotely and give easy feedback through star ratings. Learn more
Benefit from two efficient ways to keep files and folders synchronized between different locations — such as your home and your business, or teams in different countries. Sync folders one or two-way between Synology devices using Synology Drive ShareSync, a free site-to-site solution. Or choose to leverage our secure data centers to store your data in the cloud, while keeping a cache of frequently accessed or manually pinned files on your DS1522+ with Synology Hybrid Share
Back up files, folders, physical devices, VMs, and SaaS applications with free solutions, and protect your NAS with built-in technologies.
Securely back up Windows clients and servers, Linux endpoints, VMware® and Hyper-V® virtual machines, and other Synology devices. Leverage built-in deduplication technology to greatly reduce backup sizes and multi-versioning restore systems to a time point of your choice. Learn more
Protect business Microsoft 365 and Google Workspace accounts by maintaining complete offline copies of your crucial information and configurations with Active Backup for Microsoft 365 and Active Backup for Google Workspace.
Set up backup tasks to protect important folders on your PC and macOS device with Synology Drive. On your mobile device, automatically save another copy of the photos and videos you take, and easily organize and share them through Synology Photos.
Protecting the data on your Synology system, and your server itself, means storing frequent emergency copies to multiple locations. Built-in tools in Synology DSM let you efficiently back up files, folders, or your entire system from your device to remote servers, external drives, or Synology and third-party cloud storage, with space-saving deduplication technology reducing total backup sizes, and customizable backup and retention schedules for maximum flexibility.
Take point-in-time snapshots of shared folders and LUNs at intervals of down to 5 minutes to protect against data loss, accidental deletion, or malware attacks. Set a custom retention schedule and roll back files and VMs to a version that is unaffected. Learn more
Transform your Synology device into a full-featured video management system for a wide range of compatible IP cameras.
Connect up to 40 IP cameras from a selection of over 8,300 validated models thanks to wide camera compatibility and ONVIF support in Synology Surveillance Station.
Footage stored locally can be protected from unauthorized access by industry-standard AES-256 encryption.
Monitor live streams or watch recordings from web browser, desktop client, or the DS cam mobile app.
Automatically locate cameras within a set IP range, and configure units in batch by importing spreadsheets or by replicating settings to new cameras.
Stay on top of your deployment by previewing triggered events directly on multi-floor or even multi-location maps, with online map integration for Google Maps and OpenStreetMap.
Take advantage of intelligent monitoring features such as motion detection, no idle zone, foreign object detection, and anomaly detection to cater the most common surveillance scenarios.
Leverage high sustained performance and reliability with enterprise-grade drives with built-in data protection designed for Synology systems.2
Take advantage of a host of native productivity, management, and security solutions available in the web-based Synology DSM operating system.
Conveniently manage your fleet of Synology NAS from a centralized console.
Shield your Synology NAS from the most sophisticated threats with industry-leading security solutions.
Seamless transition between clustered servers in the event of a server failure to minimize the impact on applications.
Performance figures are obtained through SMB sequential throughput tests using Windows Server 2016 Datacenter on a DS1522+ with a Synology 10GbE NIC and HDD. Actual performance may vary depending on the testing environment, usage, and configuration. See performance charts for more information.
PCIe add-in cards, expansion units, and storage drives are sold separately. Refer to the compatibility list for compatible devices.
Based on internal processor benchmarks between DS1522+ and the prior-gen DS1520+. Actual performance may vary depending on hardware and software configuration, workload, and testing environment.
Synology SNV3400 series M.2 NVMe SSD drives can be installed through the built-in M.2 slots to enable SSD caching or create SSD storage pools. Drives are sold separately.
Storage figure calculated based on a RAID 5 configuration. Total storage capacity may vary depending on hard drives used and RAID configuration.
C2 Storage for Hyper Backup and Hybrid Share requires purchase of an eligible annual or monthly subscription. A free trial is available for each newly registered account.
Surveillance Station includes 2 free licenses. Connecting more cameras and devices requires additional licenses. Learn more
Extended Warranty Plus must be purchased within 90 days of the device purchase date or, if none is available, 180 days of the device manufacturing date. A Synology Account is required for the purchase. The starting date of Extended Warranty Plus additional coverage is calculated based on the purchase date of your Synology NAS. If you cannot provide proof of purchase, the device manufacturing date applies.
Express shipping is a paid add-on available in select countries only.
Hardware Specifications |
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CPU |
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CPU
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CPU Model | AMD Ryzen R1600 |
| CPU Quantity | 1 | |
| CPU Core | 2 | |
| CPU Architecture | 64-bit | |
| CPU Frequency | 2.6 (base) / 3.1 (turbo) GHz | |
| Hardware Encryption Engine | ||
Memory |
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Memory
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System Memory | 8 GB DDR4 ECC SODIMM |
| Memory Module Pre-installed | 8 GB (8 GB x 1) | |
| Total Memory Slots | 2 | |
| Maximum Memory Capacity | 32 GB (16 GB x 2) | |
| Notes |
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Storage |
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Storage
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Drive Bays | 5 |
| Maximum Drive Bays with Expansion Unit | 15 (DX517 x 2) | |
| M.2 Drive Slots | 2 (NVMe) | |
| Compatible Drive Type* (See all supported drives) |
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| Hot Swappable Drive* | ||
| Notes |
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External Ports |
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External Ports
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RJ-45 1GbE LAN Port | 4 |
| USB 3.2 Gen 1 Port* | 2 | |
| Expansion Port | 2 | |
| Expansion Port Type | eSATA | |
| Notes |
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PCIe |
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PCIe
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PCIe Expansion | 1 x Gen3 x2 network upgrade slot |
Appearance |
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Appearance
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Size (Height x Width x Depth) | 166 mm x 230 mm x 223 mm |
| Weight | 2.7 kg | |
Others |
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Others
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System Fan | 92 mm x 92 mm x 2 pcs |
| Fan Speed Mode |
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| Brightness Adjustable Front LED Indicators | ||
| Power Recovery | ||
| Noise Level* | 22.90 dB(A) | |
| Scheduled Power On / Off | ||
| Wake on LAN / WAN | ||
| Power Supply Unit / Adapter | 120 watts | |
| AC Input Power Voltage | 100V to 240V AC | |
| Power Frequency | 50/60 Hz, Single Phase | |
| Power Consumption |
52.06 watts (Access) 16.71 watts (HDD Hibernation) |
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| British Thermal Unit |
177.64 BTU/hr (Access) 57.02 BTU/hr (HDD Hibernation) |
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| Notes |
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Temperature |
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Temperature
|
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 | |
Certification |
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Certification
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Warranty |
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Warranty
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3-year hardware warranty, extendable to 5 years with Extended Warranty Plus | |
| Notes |
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Environment |
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Environment
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RoHS Compliant | |
Packaging Content |
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Packaging Content
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Optional Accessories |
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Optional Accessories
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