Synology DiskStation DS1522+

Categories: Synology, DiskStation

Synology DiskStation DS1522+

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)
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	Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance. Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion. For more information about the recommended memory configurations, please check the Hardware Installation Guide of your Synology product.
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)	3.5" SATA HDD 2.5" SATA SSD M.2 2280 NVMe SSD
	Hot Swappable Drive*
	Notes	The hot swappable drive feature is not supported by M.2 SSD slots. "Compatible drive type" indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay.
External Ports	RJ-45 1GbE LAN Port*	4 (with Link Aggregation / Failover support)
	USB 3.2 Gen 1 Port*	2
	eSATA Port	2
	Notes	This device's 1GbE LAN ports have a maximum transmission unit (MTU) size of 1,500 bytes. The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019.
PCIe	PCIe Expansion	1 x Gen3 x2 network upgrade slot
File System	Internal Drives	Btrfs EXT4
	External Drives	Btrfs EXT4 EXT3 FAT NTFS HFS+ exFAT
Appearance	Size (Height x Width x Depth)	166 mm x 230 mm x 223 mm
	Weight	2.7 kg
Others	System Fan	92 mm x 92 mm x 2 pcs
	Fan Speed Mode	Full-Speed Mode Cool Mode Quiet Mode
	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)
	British Thermal Unit	177.64 BTU/hr (Access) 57.02 BTU/hr (HDD Hibernation)
	Notes	For more information on how power consumption is measured, refer to this article. Noise testing was conducted with the Synology system fully installed with Synology SATA HDDs and in an idle state. Two GRAS 40AE microphones are placed at a 1 m distance from the front and rear of the device. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%
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
Warranty	3-year hardware warranty, extendable to 5 years with Extended Warranty Plus
	Notes	Availability varies by region. Before purchasing, please visit the official web pages of EW201/202 and Extended Warranty Plus for a list of eligible regions. The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)
Environment	RoHS Compliant
Packaging Content	Main Unit X 1 Accessory Pack X 1 AC Power Adapter X 1 AC Power Cord X 1 RJ-45 LAN Cable X 2 Quick Installation Guide X 1
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

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.

DSM Specifications
Storage Management	Maximum Single Volume Size*	108 TB
	Maximum Internal Volume Number	64
	SSD Read / Write Cache (White Paper)
	SSD TRIM
	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
	Notes	Usable capacity for each volume will be lower than the maximum volume size and is dependent on the filesystem and the amount of system metadata stored. Actual maximum storage pool and volume sizes vary depending on drives used, the number of drive bays available, and the RAID configuration. Each internal volume (may consist of multiple drives) is expandable up to 108TB.
File Services	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	Regarding data concerning tests with RAM expansion, all memory slots are installed with the maximum capacity of supported RAM. The testing standard was based on the maximum number of concurrent connections supported by this model. During the testing, 25% of the connections were used to transfer files concurrently. The transfer process guaranteed that the connections were not interrupted; the minimum transfer speed was not guaranteed.
Account & Shared Folder	Maximum Local User Accounts	2,048
	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
Log Center	Syslog Events per Second	800
Virtualization	VMware vSphere with VAAI
	Windows Server 2016
	Windows Server 2019
	Citrix Ready
	OpenStack
General Specifications	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
	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.
Add-on Packages view the complete package list
Antivirus by McAfee (Trial)
Central Management System
Synology Chat	Maximum Number of Concurrent Users	100
	Notes	Measured with simulated users, each with an average record of 20,000 messages, emojis, or stickers. The required server response time is below ten seconds. When applicable, tested systems are configured with maximum memory and set to allow the maximum number of connections.
Document Viewer
Download Station	Maximum Concurrent Download Tasks	80
SAN Manager	Maximum iSCSI Target Number	128
	Maximum LUN	256
	LUN Clone/Snapshot, Windows ODX
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
	Notes	Models with more than 4 bays were installed with two SSDs for SSD cache. For tested models with expandable memory, the maximum amount of RAM was installed. The performance of the mail system will slightly decrease in high-availability mode due to data synchronization between the two servers. Functions that were enabled in all of the tests above: anti-spam, anti-virus, DNSBL, greylist, content scan, full-text search (English only).
Media Server	DLNA Compliance
Synology Photos	Facial Recognition
Snapshot Replication	Maximum Snapshots per Shared Folder	1,024
	Maximum of System Snapshots	65,536
Surveillance Station	Maximum IP cam (Licenses required)	40 (including 2 Free License) (see all supported IP cameras)
	Total FPS (H.264)	1200 FPS @ 720p (1280x720) 1050 FPS @ 1080p (1920x1080) 600 FPS @ 3M (2048x1536) 360 FPS @ 5M (2591x1944) 200 FPS @ 4K (3840x2160)
	Total FPS (H.265)	1200 FPS @ 720p (1280x720) 1200 FPS @ 1080p (1920x1080) 1000 FPS @ 3M (2048x1536) 600 FPS @ 5M (2591x1944) 300 FPS @ 4K (3840x2160)
	Notes	Maximum IP cameras and FPS figures are tested with the device fully populated with drives and under a continuous recording setup. Actual system capabilities may differ depending on system configuration, drive performance, number of features enabled, and if additional workloads are present.
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)
	Notes	Exceeding the recommended numbers above will not block application operations, but may result in longer response time. Utilizing SSD cache can significantly improve performance. For tested models with expandable memory, the maximum amount of RAM was installed. Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.
Synology Office	Maximum Users	1,200
	Notes	Multiple files were opened for testing and each file was edited by 30 users simultaneously. For tested models with expandable memory, the maximum amount of RAM was installed. Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
Video Station
Virtual Machine Manager	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.
VPN Server	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.

Description

Synology 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.

Download Datasheet

Throughput

Over 736/796 MB/s sequential read/write¹

Memory

8 GB DDR4 ECC (max. 32 GB)

Connectivity

Four built-in 1GbE ports with easy 10GbE option²

Scalability

Up to 15 drive bays with 2 DX517 expansion units²

Whether you’re a home user looking to store multimedia files and share them in the cloud, or a small business that requires a scalable storage solution with multiple RAID options, the Synology DiskStation DS1522+ NAS is an excellent choice. With five drive bays, two embedded M.2 NVMe SSD cache slots, and the ability to add 10 more drives via an expansion unit, it offers plenty of storage options. It is also equipped with numerous I/O ports and offers an easy and relatively affordable path to 10Gbps network connectivity. Learn more

Simply faster

The Synology DiskStation 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.

Synology Drive

24%

faster file indexing

Synology Photos

25%

faster photo indexing

Multiple file transfers

32%

faster random write

Flexible networking options

Leverage built-in connectivity to integrate the Synology DiskStation 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.²

Everything you need for your home office

Make the most of high-performance networking and file access without taking up unnecessary space. Synology DiskStation DS1522+ comes equipped with 5 bays and can scale up to 15 bays with 2 DX517 expansion units as your data needs grow.

5 bays72 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

Multi-Layered Backup

Smart 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.

A private cloud for all your devices

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

Dependable and secure network storage

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.

Sort, manage, and share your files

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

Sync files and folders between sites

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 Synology DiskStation DS1522+ with Synology Hybrid Share³. Such hybrid cloud storage lets you access data at LAN speeds without being limited by your local storage size or bandwidth.

Multi-Layered Backup

Back up files, folders, physical devices, VMs, and SaaS applications with free solutions, and protect your NAS with built-in technologies.

Protect full endpoints, servers, and VMs

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

Make local backups of your cloud apps

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.

Back up documents and multimedia

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.

Back up your NAS to multiple destinations

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.

High-frequency protection with snapshots

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

Smart Surveillance

Transform your Synology device into a full-featured video management system for a wide range of compatible IP cameras.

Wide compatibility

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.⁴

Secure and private

Footage stored locally can be protected from unauthorized access by industry-standard AES-256 encryption.

24/7 everywhere access

Monitor live streams or watch recordings from web browser, desktop client, or the DS cam mobile app.

Assisted camera deployment

Automatically locate cameras within a set IP range, and configure units in batch by importing spreadsheets or by replicating settings to new cameras.

Multi-location alerts

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.

Video analytics

Take advantage of intelligent monitoring features such as motion detection, no idle zone, foreign object detection, and anomaly detection to cater to the most common surveillance scenarios.

Performance backed by Synology drives

Leverage high sustained performance and reliability with enterprise-grade drives with built-in data protection designed for Synology systems.

3.5″ HDD HAT5300 2.5″ SSD SAT5200

M.2 SSD SNV3400

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.

Learn more

Security

Shield your Synology NAS from the most sophisticated threats with industry-leading security solutions.

Learn more

Synology High Availability

Seamless transition between clustered servers in the event of a server failure to minimize the impact on applications.

Extra protection with Extended Warranty Plus

Extend the standard 3-year hardware warranty⁵ of your Synology DiskStation DS1522+ with 2 more years of Synology-certified support and premium services that help you recover faster in the event of a disaster.