Hardware Specifications

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

• 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.
• 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.

Storage

Drive Bays

• 12 (un-populated)

Compatible Drive Type

• 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

RJ45 1GbE LAN Port

• 2 (with Link Aggregation / Failover support)

RJ45 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

Appearance

Form Factor (RU)

• 1U

Dimensions (H x W x D)

• 44 x 481.9 x 555.9 mm

Weight

• 8.3 kg

Rack Installation Support

• 4-post 19″ rack (requires Synology Rail Kit RKS-01, 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

• 100 V to 240 V AC

Power Frequency

• 50/60 Hz, Single Phase

Power Consumption

• 74.83 W (Access)

British Thermal Unit

• 255.17 BTU/hr (Access)

Notes

• The power consumption of the NAS model is measured when it is fully loaded with Synology SAT5200-3840G solid-state drives (sold separately).
• 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-metre distance from the front and rear of a Synology NAS. Background noise: 16.49-17.51 dB(A); Temperature: 24.25°C – 25.75°C; Humidity: 58.2% – 61.8%

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

Environment

• RoHS Compliant

Software Specifications

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

• 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

• 8

High Availability

Synology High Availability

• Yes

Log Centre

Syslog Events per Second

• 3,000

Virtualisation

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
• German
• French
• Italian
• Spanish
• Danish
• Norwegian
• Swedish
• Dutch
• Russian
• Polish
• Hungarian
• Portuguese (Brazil)
• Portuguese (Europe)
• Turkish
• Czech
• Thai
• Japanese
• Korean
• Chinese (Traditional)
• Chinese (Simplified)

Add-on Packages

Antivirus by McAfee (Trial)

• Yes

Central Management System

• Yes

Synology Chat

Maximum Users

• 4,000

Notes

• The number of concurrent HTTP connections for Synology Chat was configured to the maximum.
• For tested models with expandable memory, the maximum amount of RAM was installed.

Download Station

Maximum Concurrent Download Tasks

• 80

SAN Manager

Maximum iSCSI Target Number

• 256

Maximum LUN

• 512

LUN Clone/Snapshot, Windows ODX

• Yes

Synology MailPlus / MailPlus Server

Free Email Accounts

• 5 (Licences 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 synchronisation 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 (Licences required)

• 100 (including 2 Free Licence)

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

• Surveillance Station throughput is tested with Axis network camera, using continuous recording with live view from Surveillance Station and motion detection by camera. Live view and recording are sharing the same stream from the camera.
• The maximum channel number also includes devices installed on Virtual DSM.
• Total FPS may be affected by other services running at the same time (e.g., archive tasks performed by Archive Vault).

Synology Drive

Recommended Number of Hosted Files

• 50,000,000 (applies to files indexed or hosted by 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)

Notes

• Exceeding the recommended numbers above will not block application operations, but may result in longer response time.
• Utilising 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

Recommended Virtual DSM Number (Licences required)

• 8 (including 1 Free Licence)

Notes

• The specifications vary depending on system configuration and memory size.

VPN Server

Maximum Connections

• 60

Package Content

• 1 x Synology FS2500
• 1 x Accessory Pack
• 2 x AC Power Cord
• 1 x Quick Installation Guide