Boost your applications with low-latency storage
Quad-core AMD® Ryzen™
Up to 172,552/82,917 4K random read/write IOPS
Rackmount 1U
Built-in dual 10GbE and dual Gigabit Ethernet ports
Synology NAS is a versatile storage platform that fits perfectly in file server, block storage, or light application server roles that require high availability, reliability, and leading-edge storage technology.
Choose certified block storage that fits into any environment from day one, with a short learning curve, easy management plugins, free snapshots, and built-in high availability options.
Get great shared file storage that makes permission management a breeze, with powerful RAID options, reliable SMB file serving, efficient backup tools, and easy maintenance.
Host cost-efficient business solutions, including a powerful free backup server, a versatile mail server, lightweight directory server, or surveillance server with transparent licensing.
Ample built-in and supported networking options ensure that your applications fully benefit from the speed of all-flash arrays and make the FS2500 easy to integrate in any IT environment.
Leverage fast transfer speeds right out of the box and integrate easily with your existing infrastructure with dual 10GbE and dual 1GbE ports.
Enable faster networking with 25 or 40GbE network interface cards, thanks to the PCIe 3.0 expansion slot.
The FS2500 protects data and services through robust hardware and software safeguards, ensuring access to your digital assets even in the face of disaster.
Enable automatic minute-level failover by pairing up two FS2500 units to create a high-availability cluster, minimizing service downtime in the event of a server failure.
Create point-in-time snapshots of LUNs and shared folders with an RPO as low as 5 minutes, with support for granular version control.
Back up files, LUNs, applications, and system configurations on your NAS to other Synology NAS, Synology C2 Storage, public cloud platforms, USB devices, file servers, or local folders.
Remove duplicate data on all-flash arrays with volume-wide deduplication to greatly increase storage efficiency. Eliminate redundant data to save up to 65% in storage space use in applications like virtual desktop infrastructure, and virtual machine.
Deploy the FS2500 as fast and efficient VM storage and benefit from free native hosting, management, and protection tools in Synology DiskStation Manager (DSM).
Deploy and facilitate storage operations in various virtualization environments with full certification for VMware® vSphere™, Microsoft® Hyper-V®, Citrix® XenServer™, and OpenStack, and a Kubernetes CSI driver for integrated volume management.
VM and container storage on all-flash arrays can benefit from volume-wide data deduplication, a technology that removes identical data to optimize storage use.
Synology Virtual Machine Manager (VMM) is a hypervisor for Windows® and Linux® VMs or Virtual DSM, a virtualized version of DSM. Use your Synology device as an alternative host for VMs to quickly recover services following failure or run failover copies of PCs, servers, and VMs created with Active Backup for Business (ABB), DSM’s data protection tool for physical and virtual environments.
Manage storage directly from your hypervisor with Synology Storage Console for VMware® or Windows platforms, provision volumes directly from the Kubernetes CLI, and offload storage operations and speed up data transfer through VMware® VAAI integration and Windows ODX.
Give your teams reliable tools to collaborate and communicate, wherever they are.
Set up a private and secure mail server that can be merged with existing IT infrastructure and platforms.
Collaborate in real time on documents, spreadsheets, and slides for greater synergy and productivity.
Host your own private cloud on the safety of your NAS with 100% data ownership and no subscription fees.
Take advantage of a whole host of native productivity, management, and security solutions available on the web-based Synology DSM operating system.
Keep your business safe from data loss and minimize service downtime.
Security
Shield your Synology NAS from the most sophisticated threats with industry-leading security solutions.
Manage, sync, and share files from multiple devices through a centralized platform.
Back up and synchronize data easily between public cloud accounts and your NAS.
The FS2500 is backed by Synology's 5-year limited warranty, including technical support and hardware replacement services to maximize your return on investment and ensure continued high-quality performance.
DSM Specifications
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Maximum Single Volume Size |
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Maximum Internal Volume Number | 256 | |
SSD Read/Write Cache (Determining cache size) | ||
SSD TRIM | ||
RAID Group | ||
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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Internal Drives |
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External Drives |
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Notes | exFAT Access can be installed for free from Package Center in DSM 7.0. In DSM 6.2 or earlier versions, exFAT Access needs to be purchased in Package Center. | |
File Protocol |
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Maximum Concurrent SMB/AFP/FTP Connections | 2,000 | |
Maximum Concurrent SMB/AFP/FTP Connections (with RAM expansion) | 8,000 | |
Windows Access Control List (ACL) Integration | ||
NFS Kerberos Authentication | ||
Notes |
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Maximum Local User Accounts | 16,000 | |
Maximum Local Groups | 512 | |
Maximum Shared Folder | 512 | |
Maximum Shared Folder Sync Tasks | 32 | |
Maximum Hybrid Share Folders | 30 | |
Folder and Package Backup | ||
Entire System Backup | ||
Notes | Full-system backup requires DSM 7.2 or later. | |
Synology High Availability | ||
Syslog Events per Second | 3,000 | |
Virtualization
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VMware ESXi 6.5 and VAAI | |
Windows Server 2022 | ||
Citrix Ready | ||
OpenStack | ||
Supported 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. | |
Add-on Packages view the complete package list
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Suggested Users | 300 | |
Notes | Models with expandable memory are tested with their maximum supported memory. | |
Maximum iSCSI Target Number | 256 | |
Maximum LUN | 512 | |
LUN Clone/Snapshot, Windows ODX | ||
Free Email Accounts | 5 (Additional accounts require purchase of licenses) | |
Suggested Users | 5,000 | |
Notes |
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Maximum Snapshots per Shared Folder | 1,024 | |
Maximum of System Snapshots | 65,536 | |
Default Licenses | 2 (Additional cameras require purchase of licenses) | |
Suggested Maximum IP Cameras and Total FPS (H.264) |
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Suggested Maximum IP Cameras and Total FPS (H.265) |
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Notes |
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Recommended Number of Concurrent Sync Clients | 900 (the number of connections that can be maintained when the recommended number of hosted files was reached) | |
Recommended Number of Hosted Files | 50,000,000 (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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Suggested Users | 12,500 | |
Notes |
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Recommended Virtual Machine Instances | 8 (Learn more) | |
Recommended Virtual DSM Number (Licenses required) | 8 (including 1 Free License) | |
Notes | The specifications vary depending on system configuration and memory size. | |
Maximum Connections | 60 |
NAS | |
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RJ-45 10GbE LAN Port | 2 |
CPU Architecture | 64-bit |
CPU Core | 4 |
CPU Model | AMD Ryzen V1780B |
CPU Quantity | 1 |
Drive Bays | 12 |
Form Factor (RU) | 1U |
Hardware Encryption Engine | Yes |
Hot Swappable Drive | Yes |
Maximum Memory Capacity | 32 GB (16 GB x 2) |
Memory | 8 GB DDR4 ECC UDIMM |
PCIe Expansion | 1 x Gen3 x8 slot (x4 link) |
Power Supply Unit / Adapter | 350 watts |
Redundant Power Supply | Yes |
RJ-45 1GbE LAN Port | 2 |
System Fan | 40 mm x 40 mm x 4 pcs |
Total Memory Slots | 2 |
USB 3.2 Gen 1 Port | 2 |