Description
DiskStation® DS1522+
Versatile data hub for home and office
Flexible data management for homes and small business
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.
Click to Download Datasheet
- Throughput : Over 736/796 MB/s sequential read/write
- Memory : 8 GB DDR4 ECC (max. 32 GB)
- Connectivity : Four built-in 1GbE ports with easy 10GbE option
- Scalability : Up to 15 drive bays with 2 DX517 expansion units
Simply faster
The DS1522+ can handle demanding application workloads and a greater number of concurrent users. Experience faster file indexing in Synology Drive, photo organization in Photos, and concurrent file transfers.
Flexible networking options
Leverage built-in connectivity to integrate the DS1522+ into any network environment, or expand its capabilities by adding plug-and-play modules.
Failover and network balancing
Four built-in Gigabit ports with support for automatic network failover and load balancing deliver fast and dependable performance out of the box.
Easy upgrade to 10GbE
Add an E10G22-T1-Mini Network Upgrade Module through the easily accessible slot to instantly enable faster networking
Everything you need for your home office
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 72 TB >> 15 bays216 TB
Store, share, and protect
Manage all your documents, photos, and other files, back up applications and devices, or protect your assets with professional video surveillance.
File Server
Store and access files from all your devices, and protect them with smart versioning. Sort, manage, share, and sync your data across locations
Multi-layered backup
Back up files, folders, physical devices, VMs, and SaaS applications with free solutions, and protect your NAS with built-in technologies.
Smart surveillance
Transform your Synology device into a full-featured video management system for a wide range of compatible IP cameras.
Performance backed by Synology drives
Leverage high sustained performance and reliability with enterprise-grade drives with built-in data protection designed for Synology systems.2
3.5" HDD HAT53002.5"
SSD SAT5200
Get more with DiskStation Manager
Take advantage of a host of native productivity, management, and security solutions available in the web-based Synology DSM operating system.
Central Management System
Conveniently manage your fleet of Synology NAS from a centralized console.
Security
Shield your Synology NAS from the most sophisticated threats with industry-leading security solutions.
Synology High Availability
Seamless transition between clustered servers in the event of a server failure to minimize the impact on applications.
Specifications
HARDWARE SPECS
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CPU |
CPU Model | AMD Ryzen R1600 |
|---|---|---|
| CPU Quantity | 1 | |
| CPU Architecture | 64-bit | |
| CPU Frequency | 2-core 2.6 (base) / 3.1 (turbo) GHz | |
| Hardware Encryption Engine (AES-NI) | ||
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Memory |
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 |
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 |
RJ-45 1GbE LAN Port* | 4 (with Link Aggregation / Failover support) |
| USB 3.2 Gen 1 Port* | 2 | |
| eSATA Port | 2 | |
| Notes |
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PCIe |
PCIe Expansion | 1 x Gen3 x2 network upgrade slot |
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File System |
Internal Drives |
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| External Drives |
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Appearance |
Size (Height x Width x Depth) | 166 mm x 230 mm x 223 mm |
| Weight | 2.7 kg | |
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Others |
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 W | |
| AC Input Power Voltage | 100V to 240V AC | |
| Power Frequency | 50/60 Hz, Single Phase | |
| Power Consumption |
52.06 W (Access) 16.71 W (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 |
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 | |
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Certification |
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Warranty |
3-year hardware warranty, extendable to 5 years with Extended Warranty Plus | |
| Notes |
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Environment |
RoHS Compliant | |
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Packaging Content |
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Optional Accessories |
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SOFTWARE SPECS
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DSM Specifications |
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|---|---|---|
| Maximum Single Volume Size* | 108 TB | |
| Maximum Internal Volume Number | 64 | |
| M.2 SSD Storage Pool Support* | ||
| SSD Read / Write Cache (White Paper) | ||
| SSD TRIM | ||
| Supported RAID Type |
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| RAID Migration |
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| Volume Expansion with Larger HDDs |
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| Volume Expansion by Adding a HDD |
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| Global Hot Spare Supported RAID Type |
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| Notes |
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| File Protocol | SMB/AFP/NFS/FTP/WebDAV | |
| Maximum Concurrent SMB/AFP/FTP Connections | 2,000 | |
| Maximum Concurrent SMB/AFP/FTP Connections (with RAM expansion) | 2,000 | |
| Windows Access Control List (ACL) Integration | ||
| NFS Kerberos Authentication | ||
| Notes |
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| Maximum Local User Accounts | 2,048 | |
| Maximum Local Groups | 256 | |
| Maximum Shared Folder | 512 | |
| Maximum Shared Folder Sync Tasks | 32 | |
| Hybrid Share Folder Number | 10 | |
| Synology High Availability | ||
| Syslog Events per Second | 800 | |
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Virtualization |
VMware vSphere with VAAI | |
| Citrix Ready | ||
| OpenStack | ||
| Networking Protocols | SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV | |
| Supported Browsers |
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| Supported Language | English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, ภาษาไทย, 日本語, 한국어, 繁體中文, 简体中文 | |
| Notes | For an updated list of supported browser versions, check the DSM Technical Specifications. | |
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Add-on Packages view the complete package list |
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Antivirus by McAfee (Trial) |
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| Maximum Number of Concurrent Users | 100 | |
| Notes |
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Document Viewer |
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Download Station |
Maximum Concurrent Download Tasks | 80 |
| Maximum iSCSI Target Number | 128 | |
| Maximum LUN | 256 | |
| LUN Clone/Snapshot, Windows ODX | ||
| Free Email Accounts | 5 (Licenses required for additional accounts) | |
| Maximum Number of Concurrent Users | 100 | |
| Maximum Server Performance | 1,224,000 emails per day, approx. 37GB | |
| Notes |
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| DLNA Compliance | ||
| Facial Recognition | ||
| Maximum Snapshots per Shared Folder | 1,024 | |
| Maximum of System Snapshots | 65,536 | |
| Maximum IP cam (Licenses required) | 40 (including 2 Free License) (see all supported IP cameras) | |
| Total FPS (H.264) |
1200 FPS @ 720p (1280×720) 1050 FPS @ 1080p (1920×1080) 600 FPS @ 3M (2048×1536) 360 FPS @ 5M (2591×1944) 200 FPS @ 4K (3840×2160) |
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| Total FPS (H.265) |
1200 FPS @ 720p (1280×720) 1200 FPS @ 1080p (1920×1080) 1000 FPS @ 3M (2048×1536) 600 FPS @ 5M (2591×1944) 300 FPS @ 4K (3840×2160) |
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| Notes |
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| Recommended Number of Concurrent Sync Clients | 350 (the number of connections that can be maintained when the recommended number of hosted files was reached) | |
| Recommended Number of Hosted Files | 5,000,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above) | |
| Notes |
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| Maximum Users | 1,200 | |
| Notes |
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| Recommended Virtual Machine Instances | 4 (Learn more) | |
| Recommended Virtual DSM Number (Licenses required) | 4 (including 1 Free License) | |
| Notes | The specifications vary depending on system configuration and memory size. | |
| Maximum Connections | 40 | |
Notes:
- Model specifications are subject to change without prior notice.
- The figures are based on Synology internal testing. Each performance test is done individually. No other services or applications are processed at the same time.
- The actual performance may be lower than lab testing figure due to differences in server configuration, deployment, and the number of active operations.
- If usage requirements exceed the specifications above, please contact our regional partners for professional advice.









