Product Description
The DS1825+ is a versatile 8-bay storage solution designed to store and protect mission-critical data. Flexible support for faster networking speeds and capacity expansion makes the DS1825+ ideal for businesses needing a scalable and customizable storage solution for their growing data needs. Powered by Synology DiskStation Manager (DSM), this device is a flexible all-in-one solution for data sharing, synchronization, backup, and surveillance.
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From the manufacturer
Enterprise-class storage for demanding workloads
Synology DS1825+ brings enterprise-grade capability to the desktop, delivering a powerful solution for managing massive volumes of mission-critical data. With two built-in 2.5GbE ports and optional 10/25GbE upgrades, it provides a versatile base for advanced workflows such as virtualization, team collaboration, shared repositories and real-time backup, all managed through Synology’s intuitive DiskStation Manager (DSM).
Scalable design to support future growth
With eight drive bays and expansion for up to 18, DS1825+ offers exceptional capacity for projects with evolving data needs. It is ideal for consolidating multiterabyte datasets, 4K video and surveillance footage, while maintaining high speed and reliability. Whether used for creative production, backup or collaborative editing, this storage server improves efficiency and streamlines workflows.
Optimized for virtualization
DS1825+ is fully optimized for VMware, Windows Server and Citrix environments with advanced iSCSI management, VM backups and instant snapshot recovery. It can host multiple virtual machines or virtual DSM instances directly, making it a reliable and cost-effective platform for running and protecting critical workloads.
- Up to 2,329 MB/s read and 1,573 MB/s write throughput
- Expandable to 18 drives with DX525 units, ideal for growth or long-term archiving
- Includes 8 GB ECC memory, upgradeable to 32 GB
- PCIe slot for 10GbE/25GbE network adapters
- Dual M.2 NVMe SSD slots for fast cache or storage pools
- Sync and share data across locations with Hybrid Share
- Use built-in tools to back up data on PCs, Macs, mobile devices and cloud services
Why choose the 25+ Series?
Unified, intuitive data management
Every 25 Plus series NAS runs the latest version of Synology DSM, delivering seamless file storage, sharing, device backup and multimedia management. Standard features include fast setup, system-wide search and remote access on all models, from compact 2-bay units to scalable 18-bay systems with raw capacities ranging from 40 TB to 360 TB.
Flexible management and expansion
Even compact models like the DS225+ support sizable volumes for home or office and can scale seamlessly into a hybrid cloud. Larger units such as the DS1825+ add ECC RAM, NVMe SSD caching and support for high-end upgrades, while all models include essentials like dual USB-A ports, hot-swappable drives and tool-less trays.
Improved networking across the lineup
Every 25 Plus series system includes at least one 2.5GbE port, providing faster transfers than previous generations. Five- and eight-bay models feature dual 2.5GbE, SMB3 Multichannel and PCIe slots for 10/25GbE adapters, eliminating gigabit bottlenecks across the range.
Full suite of apps and security at any size
From two-bay setups to fully scaled 18-bay systems, the 25 Plus series gives you full access to the DSM app library, including file syncing, surveillance, virtualization, cloud backup and media streaming. All models support backup, versioning, device management and multi-factor authentication to keep data secure at any scale.
Synology hard drives offer proven reliability and compatibility, achieved through a comprehensive testing regimen on Synology devices, spanning over 1,000 stress test cycles and 500,000+ hours.
What can I do with Synology?
- Back up PCs, Macs and mobile devices
- Stream photos, videos and music
- Access and share files securely
- Replace cloud services such as Dropbox
- Run Docker and virtual machines
- Collaborate on files in real-time
- Synchronize files and folders between Synology NAS devices
- Use immutable snapshots to create permenant, point-in-time system backups
Dedicated to security and data protection
Network Attached Storage (NAS) provides a centralized location on a network to store data. Synology NAS goes beyond that, enabling you to build your own private cloud eliminating vulnerabilities associated with the internet or public cloud.
Our Product Security Incident Response Team (PSIRT) provides 24-hour response to vulnerabilities, ensuring rapid patches when threats emerge. We employ top security researchers through our Bug Bounty Program and lead community events such as Pwn2Own.
- Encrypt files, folders and volumes with to keep personal data inaccessible, even if the NAS is stolen
- Create firewall rules, automatically block IP addresses with too many failed login attempts
- Enable 2FA or choose from a range of passwordless login methods such as USB logins, Windows Hello or Apple Touch ID
- Enable NAS-to-NAS backups from your primary NAS to an off-site Synology NAS on a schedule with Synology Hyper Backup
- Complete the 3-2-1 backup strategy to ensure your data is accessible in any case
DS225+
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DS725+
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DS425+
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DS925+
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DS1525+
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DS1825+
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| Price | $364.99 | $549.99 | $595.00 | $741.08 | $982.47 | $1,367.99 |
| CPU Model | Intel Celeron J4125 | AMD Ryzen R1600 | Intel Celeron J4125 | AMD Ryzen V1500B | AMD Ryzen V1500B | AMD Ryzen V1500B |
| System Memory | 2 GB DDR4 non-ECC | 4 GB DDR4 ECC SODIMM | 2 GB DDR4 non-ECC | 4 GB DDR4 ECC SODIMM | 8 GB DDR4 ECC SODIMM | 8 GB DDR4 ECC SODIMM |
| Maximum Memory Capacity | 6 GB (2 GB + 4 GB) | 6 GB (2 GBa32 GB (16 GB x 2) + 4 GB) | 6 GB (2 GB + 4 GB) | 32 GB (16 GB x 2) | 32 GB (16 GB x 2) | 32 GB (16 GB x 2) |
| RJ-45 1GbE LAN Port | 1 | 1 | 1 | no data |
no data |
no data |
| RJ-45 2.5GbE LAN Port | 1 | 1 | 1 | 2 | 2 | 2 |
| USB-C Expansion Port | no data |
1 | no data |
1 | 2 | 2 |
| PCIe Expansion (10/25GBE) | no data |
no data |
no data |
no data |
1 x Gen3 x2 network upgrade slot | 1 x Gen3 x8 slot (x4 link) |
| M.2 NVMe slots | no data |
2 | 2 | 2 | 2 | 2 |
| Suggested max cameras@FPS (H.264) | 1080p: 25@750, 5MP: 25 @ 280, 4K: 17 @ 170 | 1080p: 40@800, 5MP: 28@280, 4K: 17@170 | 1080p: 40@800, 5MP: 28 @ 280, 4K: 17 @ 170 | 1080p: 40@1050, 5MP: 30@ 360, 4K: 20 @ 200 | 1080p: 40@1050, 5MP: 30 @ 360, 4K: 20 @ 200 | 1080p: 40@ 1050, 5MP: 30 @ 360, 4K: 20 @ 200 |
| Suggested max cameras@FPS (H.265) | 1080p: 25@750, 5MP: 25 @ 480, 4K: 20 @ 200 | 1080p: 40@1200, 5MP: 40 @ 480, 4K: 20 @ 200 | 1080p: 40@1200, 5MP: 40 @ 480, 4K: 20 @ 200 | 1080p: 40@1200, 5MP: 40 @ 600, 4K: 30 @ 300 | 1080p: 40@1200, 5MP: 40 @ 600, 4K: 30 @ 300 | 1080p: 40@1200, 5MP: 40 @ 600, 4K: 30@300 |
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From the brand
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What is NAS?
- Reliable data storage and backup
- A subscription-free cloud alternative
- Sync, edit, collaborate and share files
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When SSD cache makes sense
By storing frequently accessed files on SSDs, you can achieve up to 15x higher random read/write IOPS and reduce latency by up to 93%.
- Accelerate access to large datasets such as CDNs, photo galleries, and databases
- Back up files faster by caching Btrfs data
- Install and configure without tools or interrupting your existing operations
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When SSD storage makes sense
Creating an SSD storage pool entirely from M.2 or SATA SSDs delivers consistently high throughput and ultra-low latency.
- Create and edit large files smoothly such as 3D files, 4k editing, or CAD backups
- Spin up virtual machines on the fly
- Future-proof your storage with silent drives
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Create a personal cloud
With a built-in hard drive and everything preconfigured, BeeStation is ready to replace your cloud storage right out of the box, subscription free.
- Store, sync, and share from anywhere
- Scan code on box to begin easy setup
- Back up files from Google Drive, OneDrive, Dropbox, and external drives Share storage with family and friends so everyone has a private storage space
- Edit files on BeeStation and keep files synced across computers
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Your Personal Backup Hub
BeeDrive is a data backup hub that simplifies backup of your important files and photos from your computer and smartphone.
- Transfer files from phone to computer wirelessly
- Plug in via USB-C to sync files automatically
- Once photos are transferred, they’ll be instantly accessible from the File Explorer or Mac Finder on your computer
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Founded in 2000
Every year this survey has been conducted, Synology has been voted the top-rated brand for network storage. Known for best-in-class reliability and storage and backup that “just works”, our users choose Synology for military-grade durability and longevity, whether at home, in a small office or multi-location systems.
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