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Brand: Synology
Product Code: FS2500
Availability: 10
Weight: 8.30kg
Dimensions: 4.40cm x 48.19cm x 55.59cm

Synology 12 Bay FlashStation FS2500 (Diskless)

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CPU

Quad-core AMD® Ryzen™

 

 


Throughput

Up to 172,552/82,917 4K random read/write IOPS

 

 


Form Factor

Rackmount 1U

 

 


Networking

Built-in dual 10GbE and dual Gigabit Ethernet ports

 

 

Dependable storage for many scenarios

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.

 

Simple and efficient SAN storage

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.

Fast and secure SMB file sharing

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.

Business application platform

Host cost-efficient business solutions, including a powerful free backup server, a versatile mail server, lightweight directory server, or surveillance server with transparent licensing.

 

 

 

Built to boost service continuity

The FS2500 protects data and services through robust hardware and software safeguards, ensuring access to your digital assets even in the face of disaster.

 


Redundancy first

 
 

Dual power supply

Reduce the possibility of power disruptions on a single distribution channel or PDU adversely impacting data and service availability with redundant PSUs.
 

Modular components

 
 

Automatic failover

 
 
 

Availability and protection

Synology High Availability (SHA)

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. 

Snapshot Replication

Create point-in-time snapshots of LUNs and shared folders with an RPO as low as 5 minutes, with support for granular version control. 

Hyper Backup

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. 

 
 

Flash volume deduplication

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.

 

 

Complete virtualization platform

Deploy the FS2500 as fast and efficient VM storage and benefit from free native hosting, management, and protection tools in Synology DiskStation Manager (DSM).


Certified storage for VMs and containers

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.

 
windows2022
 
vmware
 
citrix
 
openstack
 

Alternative VM host for testing and recovery

 
 

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. 

 


Streamlined configuration and administration

 
 

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. 

 
 
 
 
 

Get more with DiskStation Manager

Take advantage of a whole host of native productivity, management, and security solutions available on the web-based Synology DSM operating system.

 

Data Protection
 
 
DSM Specifications
Maximum Single Volume Size
  • 200 TB (32 GB memory required)
  • 108 TB
  Maximum Internal Volume Number 256
  SSD Read/Write Cache (Determining cache size)  
  SSD TRIM  
  RAID Group  
  Supported RAID Type
  • RAID F1
  • 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
  • RAID F1
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
  Volume Expansion by Adding a HDD
  • RAID F1
  • JBOD
  • RAID 5
  • RAID 6
  Global Hot Spare Supported RAID Type
  • RAID F1
  • 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.
  • Volumes over 108 TB require 32 GB of memory or more.
Internal Drives
  • Btrfs
  • ext4
  External Drives
  • Btrfs
  • ext4
  • ext3
  • FAT
  • NTFS
  • HFS+
  • exFAT
  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
  • SMB
  • AFP
  • NFS
  • FTP
  • WebDAV
  • Rsync
  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
  • Regarding data concerning tests with RAM expansion, all memory slots are installed with the maximum capacity of supported RAM.
  • During testing, the maximum number of SSDs supported by this model is installed in a RAID 5 configuration.
  • 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.
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
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
  • Chrome
  • Firefox
  • 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.
 
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
  • Suggested users is derived from testing in an environment with 20% heavy users (each with 20,000 pre-populated emails and receiving 240 emails per day) and 80% light users (each receiving an average of 20 emails per day). Learn more
  • 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).
  • Models with expandable memory are tested with their maximum supported memory. To estimate the RAM requirement for your NAS, please read this article.
Maximum Snapshots per Shared Folder 1,024
  Maximum of System Snapshots 65,536
Default Licenses (Additional cameras require purchase of licenses)
  Suggested Maximum IP Cameras and Total FPS (H.264)
  • 1080p: 100 channels, 2800 FPS
  • 3M: 100 channels, 1200 FPS
  • 5M: 70 channels, 700 FPS
  • 4K: 50 channels, 500 FPS
  Suggested Maximum IP Cameras and Total FPS (H.265)
  • 1080p: 100 channels, 3000 FPS
  • 3M: 100 channels, 2400 FPS
  • 5M: 100 channels, 1300 FPS
  • 4K: 80 channels, 800 FPS
  Notes
  • Performance figures are obtained from testing conducted with the device fully populated with drives, with their default memory configuration, and under a continuous recording setup. Actual system capabilities may vary based on configuration, drive performance, enabled features, and the presence of additional workloads.
  • Use NVR Selector to quickly find a suitable model based on your requirements.
  • The number of streams that can be viewed simultaneously is twice the suggested maximum number of cameras. For example, if the suggested maximum number of cameras for a model is 10 under H.264, 1080p, the model can support up to 20 streams of the same specification at the same time.
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
  • Exceeding the recommended numbers above will not block application operations, but may result in longer response time.
  • Utilizing SSD cache can significantly improve performance.
  • Models with expandable memory are tested with their maximum supported memory.
  • Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.
Suggested Users 12,500
  Notes
  • Suggested users is derived from testing in an environment with 60% idle users (each logging in and viewing documents) and 40% active users (each executing random actions at intervals of 20 to 40 seconds) operating within documents, each document having 30 users. Learn more
  • Models with expandable memory are tested with their maximum supported memory.
  • Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
Recommended Virtual Machine Instances (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
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
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