DSM Specifications |
|
|
Maximum Single Volume Size
|
- 1 PB (64 GB memory required, for RAID 6 groups only)
- 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 (with Expansion Unit)
|
|
Global Hot Spare Supported RAID Type
|
- RAID F1
- RAID 1
- RAID 5
- RAID 6 (with Expansion Unit)
- RAID 10 (with Expansion Unit)
|
|
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.
- When Peta Volume is enabled, validated services and packages are required. Please refer to this article for more information on limitations.
- Actual maximum storage pool and volume sizes depend on drive sizes used, the number of drive bays available, and the RAID configuration.
- Volumes over 108 TB require 32 GB of memory or more.
|
|
|
Internal Drives
|
|
|
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
|
|
|
Maximum Concurrent SMB/AFP/FTP Connections
|
2,000
|
|
Maximum Concurrent SMB/AFP/FTP Connections (with RAM expansion)
|
10,000
|
|
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
|
|
|
Hybrid Share Folder Number
|
15
|
|
|
Data & Folder Backup
|
|
|
Entire System Backup
|
|
|
Notes
|
Full-system backup requires DSM 7.2 or later.
|
|
|
Synology High Availability
|
|
|
|
|
|
Syslog Events per Second
|
3,000
|
Virtualization |
Virtualization
|
VMware ESXi 6.5 and VAAI
|
|
|
Windows Server 2016
|
|
|
Windows Server 2019
|
|
|
Windows Server 2022
|
|
|
Citrix Ready
|
|
|
OpenStack
|
|
|
|
Supported Protocols
|
SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, Fibre Channel, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV
|
|
Supported Browsers
|
|
|
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
|
400
|
|
Notes
|
Models with expandable memory are tested with their maximum supported memory.
|
Download Station |
Download Station
|
|
|
Maximum Concurrent Download Tasks
|
80
|
|
|
|
|
Maximum iSCSI Target Number
|
256
|
|
Maximum LUN
|
512
|
|
LUN Clone/Snapshot, Windows ODX
|
|
|
Notes
|
iSCSI Manager has been renamed to SAN Manager in DSM 7.0.
|
|
|
|
|
Free Email Accounts
|
5 (Additional accounts require purchase of licenses)
|
|
Suggested Users
|
5,000
|
|
Maximum Server Performance
|
3,363,000 emails per day, approx. 102.6 GB
|
|
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
- Models with more than 4 bays were installed with two SSDs for SSD cache.
- Models with expandable memory are tested with their maximum supported memory.
- 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).
|
|
|
|
|
DLNA Compliance
|
|
|
|
|
|
Facial Recognition
|
|
|
Object Recognition
|
|
|
|
|
|
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)
|
- 720p: 75 channels, 2250 FPS
- 1080p: 75 channels, 1050 FPS
- 3M: 60 channels, 600 FPS
- 5M: 40 channels, 400 FPS
- 4K: 28 channels, 280 FPS
|
|
Suggested Maximum IP Cameras and Total FPS (H.265)
|
- 720p: 75 channels, 2250 FPS
- 1080p: 75 channels, 2250 FPS
- 3M: 75 channels, 1125 FPS
- 5M: 70 channels, 700 FPS
- 4K: 49 channels, 490 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 maximum number of camera stream outputs is 2 times the suggested maximum number of IP cameras.
|
|
|
|
|
Recommended Number of Concurrent Sync Clients
|
1,800 (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
|
7,000
|
|
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
|
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
|