Synology FlashStation FS2500 Rackmount 1U 12-Bays (2.5″ disk tray) – FS2500

 

 

FlashStation FS2500

Cost-effective all-flash storage for small and medium-sized businesses

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Overview

 

Features

Boost your applications with low-latency storage

With its compact 1U form factor, the 12-bay Synology FlashStation FS2500 is the ideal storage solution for small and medium-sized businesses looking to improve the responsiveness of I/O-intensive applications such as virtual machines (VMs), light databases, or email servers.

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CPU

Quad-core AMD^® Ryzen™

Throughput

Up to 172,552/82,917 4K random read/write IOPS¹

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.

 

Flash volume deduplication

Leverage volume-wide deduplication to remove duplicate data on all-flash arrays and greatly increase storage efficiency. Eliminate redundant data to save up to 65% of storage space use in applications like virtual desktop infrastructure and virtual machines.

 

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.

 

Alternative VM host for testing and recovery

Streamlined configuration and administration

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

Keep your business safe from data loss and minimize service downtime.

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User Management

Manage user accounts and devices throughout your business with powerful directory services.

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Security

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

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File Management

Manage, sync, and share files from multiple devices through a centralized platform.

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System Administration

Manage the health of your deployments and centrally administer updates with ease.

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Public Cloud Integration

Back up and synchronize data easily between public cloud accounts and your NAS.

Learn more

Synology has you covered

The FS2500 is backed by Synology’s 5-year limited warranty,⁵ including technical support and hardware replacement services to maximize your return on investment and ensure continued high-quality performance. Learn more

Synology Replacement Service (SRS)

SRS provides free advance replacement units as early as the next business day in selected regions, maximizing the service uptime for your mission-critical storage and ensuring your business continuity. Learn more

FlashStation FS2500

• 1 Power button and indicator
• 2 Status indicator
• 3 Alert indicator
• 4 Beep off button

• 5 Drive status indicator
• 6 Drive tray
• 7 Power port
• 8 PCI Express Expansion Slot

• 9 PSU Indicators and Beep Off Buttons
• 10 PSU Fans
• 11 1GbE RJ-45 port
• 12 10GbE RJ-45 port

• 13 Console port
• 14 USB 3.2 Gen 1 port
• 15 Reset button

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Detailed Tech Specification

 

Hardware Specs

CPU	CPU Model	AMD Ryzen V1780B
	CPU Quantity	1
	CPU Architecture	64-bit
	CPU Frequency	4-core 3.35 (base) / 3.6 (turbo) GHz
	Hardware Encryption Engine (AES-NI)	Yes
Memory	System Memory	8 GB DDR4 ECC UDIMM
	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	12
	Compatible Drive Type* (See all supported drives)	2.5″ SATA SSD
	Hot Swappable Drive	Yes
	Notes	It is strongly recommended that you only install drives listed on your device’s compatibility list. Storage pool and volume creation processes may fail when using unverified drives. Synology is unable to provide technical support for devices using unsupported components. “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*	2 (with Link Aggregation / Failover support)
	RJ-45 10GbE LAN Port	2 (with Link Aggregation / Failover support)
	USB 3.2 Gen 1 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 x8 slot (x4 link)
File System	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.
Appearance	Form Factor (RU)	1U
	Size (Height x Width x Depth)	44 mm x 481.9 mm x 555.9 mm
	Weight	8.3 kg
	Rack Installation Support*	4-post 19″ rack (Synology Rail Kit – RKS-01)
	Notes	The rail kit is sold separately
Others	System Fan	40 mm x 40 mm x 4 pcs
	Fan Speed Mode	Full-Speed Mode Cool Mode Quiet Mode
	Easy Replacement System Fan	Yes
	Power Recovery	Yes
	Noise Level*	57.6 dB(A)
	Scheduled Power On / Off	Yes
	Wake on LAN / WAN	Yes
	Power Supply Unit / Adapter	350 W
	Redundant Power Supply	Yes
	AC Input Power Voltage	100V to 240V AC
	Power Frequency	50/60 Hz, Single Phase
	Power Consumption*	74.83 W (Access)
	British Thermal Unit	255.17 BTU/hr (Access)
	Notes	Noise Level Testing Environment: A Synology NAS loaded with Synology 480GB SAT5200-480G solid-state drive(s) in idle state. Each G.R.A.S. type 40AE microphone is placed at a 1-meter distance from the front and rear of a Synology NAS. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8% The power consumption of the NAS model is measured when it is fully loaded with Synology SAT5200-3840G solid-state drives.
Temperature	Operating Temperature	0°C to 35°C (32°F to 95°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 KC UL
Warranty	5 Years
	Notes	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 Cord X 2 Quick Installation Guide X 1
Optional Accessories	DDR4 ECC UDIMM: D4EU01-8G/D4EU01-16G 2.5″ SATA SSD: SAT5210 25GbE Network Interface Card: E25G21-F2 10GbE Network Interface Card: E10G21-F2/E10G18-T2/E10G18-T1 Rail Kit Sliding: RKS-01 VisualStation: VS360HD Surveillance Device License Pack

 

Software Specs

DSM Specifications
Storage Management	Maximum Single Volume Size*	200 TB (32 GB memory required) 108 TB
	Maximum Internal Volume Number	256
	SSD Read / Write Cache (White Paper)	Yes
	SSD TRIM	Yes
	RAID Group	Yes
	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. Each internal volume (may consist of multiple drives) is expandable up to 108 TB (with memory less than 32 GB) or 200 TB (with memory equal to or greater than 32 GB).
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)	8,000
	Windows Access Control List (ACL) Integration	Yes
	NFS Kerberos Authentication	Yes
	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.
Account & Shared Folder	Maximum Local User Accounts	16,000
	Maximum Local Groups	512
	Maximum Shared Folder	512
	Maximum Shared Folder Sync Tasks	32
Hybrid Share	Hybrid Share Folder Number	30
	Notes	For more supported details, please check this article.
High Availability	Synology High Availability	Yes
Log Center	Syslog Events per Second	3,000
Virtualization	VMware vSphere with VAAI	Yes
	Windows Server 2016	Yes
	Windows Server 2019	Yes
	Citrix Ready	Yes
	OpenStack	Yes
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)	Yes
Central Management System	Yes
Synology Chat	Maximum Users	4,000
	Maximum Number of Concurrent Users	300
	Notes	When applicable, tested systems are configured with maximum memory and set to allow the maximum number of connections.
SAN Manager	Maximum iSCSI Target Number	256
	Maximum LUN	512
	LUN Clone/Snapshot, Windows ODX	Yes
Synology MailPlus / MailPlus Server	Free Email Accounts	5 (Licenses required for additional accounts)
	Maximum Number of Concurrent Users	300
	Maximum Server Performance	3,486,240 emails per day, approx. 102 GB
	Notes	FS series were installed with 12 SSDs in RAID F1 configuration. 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).
Snapshot Replication	Maximum Snapshots per Shared Folder	1,024
	Maximum of System Snapshots	65,536
Surveillance Station	Maximum IP cam (Licenses required)	100 (including 2 Free License) (see all supported IP cameras)
	Total FPS (H.264)	3000 FPS @ 720p (1280×720) 2800 FPS @ 1080p (1920×1080) 1200 FPS @ 3M (2048×1536) 700 FPS @ 5M (2591×1944) 500 FPS @ 4K (3840×2160)
	Total FPS (H.265)	3000 FPS @ 720p (1280×720) 3000 FPS @ 1080p (1920×1080) 2400 FPS @ 3M (2048×1536) 1300 FPS @ 5M (2591×1944) 800 FPS @ 4K (3840×2160)
	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	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. 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	2,900
	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
Virtual Machine Manager	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.
VPN Server	Maximum Connections	60