A storage solution that can adapt with your evolving needs
Up to 300 TB of raw storage with expansion unit
Two built-in 2.5GbE ports, over 1,181/1,180 MB/s sequential read/write, and 10GbE option
Back up multiple endpoints, manage 40 IP cameras, or safely sync and share files across sites
Fast, out-of-the-box performance with customization options
The DS1525+ features built-in 2.5GbE networking with 10GbE option and supports both SATA SSDs and HDDs in 2.5"/3.5" internal bays, as well as M.2 NVMe drives via M.2 slots for use as cache.
Expand capacity for evolving needs
Consolidate your data with up to 100 TB of raw storage across 5 bays. Need more space? Add capacity with two DX525 for up to 300 TB of total raw storage.
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.
Private cloud for seamless data access
Streamlined file management and collaboration
Store, sync, access, and share data from any device, wherever you are. Work seamlessly between different platforms and devices, and access your files through mobile apps, desktop clients, and a browser-based interface. Quickly and easily roll back files in case of accidental deletion, mistakes, malware, etc., with versioning.
A private photo storage and management solution
Effortlessly back up and organize photos, videos, and other visual assets using intuitive management tools. Automatically organize your content into albums and create secure share links for stakeholders and teammates.
Boost team productivity with collaborative tools
Enhance workplace collaboration with Synology's productivity solutions. Create, edit, and share documents across teams in real time. Host an on-premises mail server to provide web-based email access while maintaining full data ownership. Additionally, stay connected through secure one-on-one chats, public channels, encrypted private channels, and group conversations.
Multi-site synchronization to empower global workflows
NAS-to-NAS synchronization
Improve workflow efficiency and team alignment across data sites with automatic one- or two-way site-to-site syncing. Files and folders are kept up-to-date across sites, so everyone stays aligned, whether at home, in the office, or across different branches — all while maintaining full control of your data.
Cloud-powered multi-site syncing
Empower global workflows with high-speed access to data from anywhere in your network. Our hybrid cloud solution caches frequently used files locally for rapid access, while less frequently accessed data is stored in the cloud, reducing your on-site storage requirements.
Sync to public cloud providers
Automatically keep data in sync between Synology NAS and major cloud providers, including BackBlaze B2, Dropbox, Google Drive, and Microsoft OneDrive. Multiple protocol support, client-side encryption, and customizable sync and bandwidth controls enable efficient storage management across various platforms.
Comprehensive data backup, protection, and recovery solutions
Back up PCs, smartphones, cloud apps, and more
Consolidate and automate backup tasks for PCs, file servers, VMs, SaaS applications, and more. Administer device backups remotely through a centralized portal and quickly restore specific files or entire devices to keep your business up and running. Take advantage of built-in backup solutions designed to protect your data with seamless 3-2-1 backup configurations.
Comprehensive and flexible Synology system backups
Protect all data, applications, and configurations on your Synology systems with comprehensive scheduled backups, including bare-metal backups, to local and remote servers, external drives, or cloud storage destinations, including Synology C2 Storage.
Tamper-proof protection with immutable snapshots
Safeguard critical LUNs and shared folders with automated immutable snapshots backed by custom retention policies. Built-in support for offsite replication further ensures robust business continuity.
Smart surveillance
Synology Surveillance Station
Protecting your business has never been easier, with centralized management, support for over 8,700 IP camera models, and remote monitoring and playback. Synology’s scalable video management system provides all the tools you need for live monitoring, investigation, management, and backup.
Dual recording to the cloud
Secure your surveillance footage with robust cloud backup that supports end-to-end encryption. Our cloud-based surveillance backup solution safeguards your Surveillance Station recordings, allowing you to access, view, share, and download footage through a convenient web portal. Ensure your data remains available even if your on-premises system is compromised.
Versatile testing platform
Create a versatile environment for application testing and evaluation, supporting Docker containers and virtual machines. For package and security testing, Virtual DSM acts as a dedicated test environment, ensuring isolation between applications, systems, and data.
Centralized monitoring and management
Central Management System
Manage Synology servers from a central console using group policies, task delegation, batch updates, and more.
Active Insight
Monitor your global Synology fleet's performance, backup status, login activity, and more with the power of the cloud.
Performance backed by Synology drives
Designed for Synology systems, Synology drives deliver consistent performance and unmatched reliability for your deployments.
Supercharge your setup with Synology router
Pair your NAS with Synology RT6600ax or WRX560 to maximize 2.5GbE connectivity. Enjoy high-speed transfers and secure your network with VLANs, threat prevention, and web filtering — all through a familiar Synology interface.
Extended protection with Extended Warranty
The DS1525+ is backed by Synology’s 3-year hardware warranty. An optional 2-year extended warranty is available in select regions to extend coverage to 5 years.
Trusted by experienced IT professionals
With a 4.7/5 rating and 92% recommendation rate on Gartner in the Primary Storage Platform category, Synology is highly regarded by professionals in the IT industry.
| Storage | |
|---|---|
| Storage drives installed | Yes |
| Total installed storage capacity | 80 TB |
| Number of storage drives supported | 15 |
| Installed storage drive type | HDD |
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | M.2, Serial ATA |
| Storage drive sizes supported | 3.5,M.2,2.5 |
| Maximum supported storage capacity | 300 TB |
| Number of M.2 (M & B) slots | 2 |
| RAID support | Yes |
| RAID levels | 0, 1, 5, 6, 10, JBOD |
| Hot-swap drive bays | Yes |
| Supported file systems | BTRFS, FAT32, HFS+, NTFS, exFAT, ext3, ext4 |
| Processor | |
|---|---|
| Processor manufacturer | AMD |
| Processor family | Ryzen Embedded |
| Processor generation | AMD Ryzen Embedded V1000 Series |
| Processor model | V1500B |
| Processor frequency | 2.2 GHz |
| Processor cores | 4 |
| Processor threads | 8 |
| Memory | |
|---|---|
| Internal memory type | DDR4 |
| Internal memory | 8 GB |
| Maximum RAM supported | 32 GB |
| ECC | Yes |
| Memory form factor | SO-DIMM |
| Memory slots | 2 |
| Network | |
|---|---|
| Ethernet LAN | Yes |
| Ethernet LAN data rates | 2500 Mbit/s |
| Wake-on-LAN ready | Yes |
| Ports & interfaces | |
|---|---|
| Ethernet LAN (RJ-45) ports | 2 |
| USB port | Yes |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
| Design | |
|---|---|
| Cooling type | Active |
| Product colour | Black |
| Number of fans | 2 fan(s) |
| Fan diameter 2 | 9.2 cm |
| Fan diameter | 9.2 cm |
| Drive bay locking | Yes |
| LED indicators | Yes |
| Performance | |
|---|---|
| Type | NAS |
| Device class | Home & Home Office |
| Backup function | Yes |
| Backup features | Cloud, iSCSI LUN |
| Multilingual support | Yes |
| Number of users | 1024 user(s) |
| Noise level | 22.6 dB |
| Snapshot | Yes |
| Web-based management | Yes |
| System log | Yes |
| Browser supported | Chrome,Firefox,Edge,Safari |
| On/off switch | Yes |
| Access Control List (ACL) | Yes |
| Power | |
|---|---|
| Power supply location | External |
| Power supply unit (PSU) capacity | 120 W |
| Power consumption (typical) | 44.56 W |
| Power consumption (HDD standby) | 13.63 W |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50 - 60 Hz |
| General | |
|---|---|
| Product family | DiskStation |
| Weight & dimensions | |
|---|---|
| Width | 230 mm |
| Depth | 223 mm |
| Height | 166 mm |
| Weight | 2.67 kg |
| Technical details | |
|---|---|
| Compliance certificates | RoHS |
| Packaging content | |
|---|---|
| External power adapter | Yes |
| Cables included | AC, LAN (RJ-45) |
| Power cables quantity | 1 |
| Operational conditions | |
|---|---|
| Operating temperature (T-T) | 0 - 40 °C |
| Operating relative humidity (H-H) | 5 - 95% |
| Operating altitude | 0 - 5000 m |
| Storage relative humidity (H-H) | 5 - 95% |
| Storage temperature (T-T) | -20 - 60 °C |
| Other features | |
|---|---|
| Warranty period | 3 year(s) |
| Certification | FCC CE BSMI VCCI RCM UKCA EAC CCC KC BIS |
-
Grade
-
Part Number
Brand New – This product is Brand New and in it’s original
packaging.
New - Open Box - This product is unused but the box has been opened.
New – No Box – This product is unused but doesn’t come with
the original box/packaging.
Refurbished – This product has been refurbished by ourselves
or by the manufacturer.
Excellent Used – This item is used, tested and fully working
but in like new condition. It may come with it’s original packaging or not,
please check the product description.
Good Used – This item is used, tested and fully working but
will show signs of cosmetic wear and tear. It may come with it’s original packaging
or not, please check the product description.
Parts – This item is sold just for parts, meaning it is
unworking or unable to serve it’s purpose. It may come with it’s original packaging
or not, please check the product description.
Brand New Products: All our Brand New products come with Manufaturer warranty. These can vary in length and it's important to check with the manufaturer of the product what warranty they provide and what is covered.
Used Products: All our used products come with 1 years warranty provided by us and some products may have manufaturer warranty.
Refurbished Products: With our refurbished products, we offer a free 3-month warranty which covers all software and hardware issues, that have not been influenced by the customer. There is also Manufactured Refurbished products which they will specify how long their warranty is.
Custom Gaming PCs: All our Custom PCs by default come with 3 years warranty. This includes parts and labour. You can also upgrade to 5 years warranty. Our warranty includes all hardware issues relating to the machine. If there is any faults, we will attempt to solve this remotely and if needed get the PC collected and back to base for repair.
Read more - Warranty Information
