- Versatile data hub for home and office

Features
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

EVERYTHING YOU NEED FOR YOUR HOME OFFICE
- Choose from dozens of applications for small businesses and make the DS1522+ your go-to device for everyday data protection, file management, media sharing, and camera surveillance

FLEXIBLE NETWORKING OPSTIONS
- 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

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

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

HARDWARE SPACIFICATIONS
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): Yes

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)

STORAGE
- Drive Bays: 5
- Maximum Drive Bays with Expansion Unit: 15 (DX517 x 2)
- M.2 Drive Slots: 2 (NVMe)
- Compatible Drive Type:
* 3.5" SATA HDD
* 2.5" SATA SSD
* M.2 2280 NVMe SSD
- Hot Swappable Drive: Yes

EXTERNAL PORTS
- RJ-45 1GbE LAN Port: 4 (with Link Aggregation / Failover support)
- USB 3.2 Gen 1 Port: 2
- eSATA Port: 2

PCIe
- PCIe Expansion: 1× Gen3 x2 network upgrade slot

FILE SYSTEM
- Internal Drives: Btrfs, EXT4
- External Drives: Btrfs, EXT4, EXT3, FAT, NTFS, HFS+, exFAT

APPEARANCE
- Size (H×W×D): 166×230×223 mm
- Weight: 2.7 kg

OTHERS
- System Fan: 92×92 mm ×2 pcs
Fan Speed Mode: Full-Speed Mode, Cool Mode, Quiet Mode
- Brightness Adjustable Front LED Indicators: Yes
- Power Recovery: Yes
- Noise Level: 22.90 dB(A)
- Scheduled Power On / Off: Yes
- Wake on LAN / WAN: Yes
- 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)
- British Thermal Unit:
* 177.64 BTU/hr (Access)
* 57.02 BTU/hr (HDD Hibernation)

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
- FCC, CE, BSMI, VCCI, RCM, UKCA, EAC, CCC, KC

ENVIRONMENT
- RoHS Compliant

PACKAGING CONTENT
- Main Unit
- Accessory Pack
- AC Power Adapter
- AC Power Cord
- RJ-45 LAN Cable ×2
- Quick Installation Guide

OPTIONAL ACCESSORIES
- DDR4 ECC SODIMM: D4ES02-8G/D4ES01-16G
- Expansion Units: DX517
- 3.5" SATA HDD: HAT5300
- 2.5" SATA SSD: SAT5210
- M.2 2280 NVMe SSD: SNV3410
- 10GbE Network Upgrade Module: E10G22-T1-Mini
- VisualStation: VS360HD
-Surveillance Device License Pack

DSM Specifications
STORAGE MANAGEMENT
- Maximum Single Volume Size: 108 TB
- Maximum Internal Volume Number: 64
- SSD Read / Write Cache (White Paper): Yes
- SSD TRIM: Yes
- Supported RAID Type: Synology Hybrid RAID, Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10
- RAID Migration: Basic to RAID 1, Basic to RAID 5, RAID 1 to RAID 5, RAID 5 to RAID 6
- Volume Expansion with Larger HDDs: Synology Hybrid RAID, RAID 1, RAID 5, RAID 6, RAID 10
- Volume Expansion by Adding a HDD: Synology Hybrid RAID, JBOD, RAID 5, RAID 6
- Global Hot Spare Supported RAID Type: Synology Hybrid RAID, RAID 1, RAID 5, RAID 6, RAID 10

FILE SERVICES
- File Protocol: SMB/AFP/NFS/FTP/WebDAV
- Maximum Concurrent SMB/AFP/FTP Connections: 2000
- Maximum Concurrent SMB/AFP/FTP Connections (with RAM expansion): 2000
- Windows Access Control List (ACL) Integration: Yes
- NFS Kerberos Authentication: Yes

ACCOUNT & SHARED FOLDER
- Maximum Local User Accounts: 2048
- Maximum Local Groups: 256
- Maximum Shared Folder: 512
- Maximum Shared Folder Sync Tasks: 32

HYBRID SHARE
- Hybrid Share Folder Number: 10

HIGH AVAILABILITY
- Synology High Availability: Yes

LOG CENTER
- Syslog Events per Second: 800

VIRTUALIZATION
- VMware vSphere with VAAI: Yes
- Windows Server 2016: Yes
- Windows Server 2019: Yes
- Citrix Ready: Yes
- OpenStack: Yes

GENERAL
- Networking Protocols: SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV
- Supported Browsers: Google Chrome, Firefox, Microsoft Edge, Safari

Add-on Packages
- Antivirus by McAfee (Trial): Yes
- Central Management System: Yes
- Document Viewer: Yes
- Video Station: Yes

SYNOLOGY CHAT
- Maximum Number of Concurrent Users: 100

DOWNLOAD STATION
- Maximum Concurrent Download Tasks: 80

SAN MANAGER
- Maximum iSCSI Target Number: 128
- Maximum LUN: 256
- LUN Clone/Snapshot, Windows ODX: Yes

SYNOLOGY MailPlus / MailPlus SERVER
- 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

MEDIA SERVER
- DLNA Compliance: Yes

SYNOLOGY PHOTOS
- Facial Recognition: Yes

SNAPSHOT REPLICATION
- Maximum Snapshots per Shared Folder: 1024
- Maximum of System Snapshots: 65.536

SURVEILLANCE STATION
- Maximum IP cam (Licenses required): 40 (including 2 Free License)
- 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)
- 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)

SYNOLOGY DRIVE
- 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)

SYNOLOGY OFFICE
- Maximum Users: 1.200

VIRTUAL MACHINE MANAGER
- Recommended Virtual Machine Instances: 4 (Learn more)
- Recommended Virtual DSM Number (Licenses required): 4 (including 1 Free License)

VPN SERVER
- Maximum Connections: 40