DSM Specifications |
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Maximum Single Volume Size |
108 TB
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Maximum Internal Volume Number |
1
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SSD TRIM |
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Supported RAID Type |
Basic
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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.
- Actual maximum storage pool and volume sizes depend on drive sizes used, the number of drive bays available, and the RAID configuration.
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File Protocol |
SMB/AFP/NFS/FTP/WebDAV
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Maximum Concurrent SMB/AFP/FTP Connections |
50
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Windows Access Control List (ACL) Integration |
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NFS Kerberos Authentication |
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Notes |
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.
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Maximum Local User Accounts |
512
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Maximum Local Groups |
128
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Maximum Shared Folder |
256
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Maximum Shared Folder Sync Tasks |
2
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Folder and Package Backup |
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Syslog Events per Second |
100
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Networking Protocols |
SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV
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Supported Browsers |
- Google Chrome
- Firefox
- Microsoft Edge
- Safari
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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
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Notes |
For an updated list of supported browser versions, check the DSM Technical Specifications.
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Download Station |
Download Station
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Maximum Concurrent Download Tasks |
50
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Maximum iSCSI Target Number |
10
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Maximum LUN |
10
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Notes |
iSCSI Manager has been renamed to SAN Manager in DSM 7.0.
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DLNA Compliance |
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Notes |
Facial recognition is unavailable on this model.
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Default Licenses |
2 (Additional cameras require purchase of licenses)
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Maximum IP Cameras and Total FPS (H.264) |
- 720p: 5 channels, 150 FPS
- 1080p: 5 channels, 120 FPS
- 3M: 5 channels, 70 FPS
- 5M: 4 channels, 40 FPS
- 4K: 2 channels, 20 FPS
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Maximum IP Cameras and Total FPS (H.265) |
- 720p: 5 channels, 150 FPS
- 1080p: 5 channels, 150 FPS
- 3M: 5 channels, 130 FPS
- 5M: 5 channels, 65 FPS
- 4K: 3 channels, 30 FPS
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Notes |
- Performance figures are obtained from testing conducted with the device fully populated with drives 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.
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Recommended Number of Concurrent Sync Clients |
5 (the number of connections that can be maintained when the recommended number of hosted files was reached)
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Recommended Number of Hosted Files |
500,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above)
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Notes |
- Exceeding the recommended numbers above will not block application operations, but may result in longer response time.
- EXT4 file system and non-encrypted shared folders were used during the aforementioned testing.
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Video Transcoding |
Group 2 (See more)
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Maximum Connections |
10
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