DSM Specifications |
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Maximum Internal Volume Number |
64
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SSD TRIM |
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Supported RAID Type |
- Synology Hybrid RAID
- Basic
- JBOD
- RAID 0
- RAID 1
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RAID Migration |
Basic to RAID 1
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Volume Expansion with Larger HDDs |
- Synology Hybrid RAID
- RAID 1
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Volume Expansion by Adding a HDD |
Synology Hybrid RAID
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File Protocol |
CIFS/AFP/NFS/FTP/WebDAV
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Maximum Concurrent CIFS/AFP/FTP Connections |
200
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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 |
2,048
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Maximum Local Groups |
256
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Maximum Shared Folder |
256
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Maximum Shared Folder Sync Tasks |
4
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Syslog Events per Second |
400
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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
- Internet Explorer 10 onwards
- Safari 10 onwards
- Safari (iOS 10 onwards)
- Google Chrome (Android 6.0 onwards)
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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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Maximum Users |
500
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Notes |
The number of concurrent HTTP connections for Synology Chat was configured to the maximum.
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Cloud Station Server |
Cloud Station Server
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Recommended Number of Hosted Files |
100,000
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Recommended Number of Concurrent Sync Clients |
200 (the number of connections that can be maintained when the recommended number of hosted files was reached)
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Notes |
- The maximum number of concurrently connected devices refers to the maximum number of devices that can remain connected at the same time.
- The maximum number of hosted files refers to the maximum number of files that can be indexed and hosted by the Cloud Station Server service. RAM expansion was not used during testing.
- Non-encrypted shared folders were used during the aforementioned testing.
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Download Station |
Download Station
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Maximum Concurrent Download Tasks |
80
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exFAT Access (Optional) |
exFAT Access (Optional)
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Maximum iSCSI Target Number |
10
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Maximum iSCSI LUN |
10
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iSCSI LUN Clone/Snapshot, Windows ODX |
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DLNA Compliance |
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Facial Recognition |
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Subject Recognition |
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Maximum Snapshots per Shared Folder |
256
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Maximum of System Snapshots |
4,096
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Maximum IP cam (Licenses required) |
20 (including 2 Free License) (See All Supported IP Cameras)
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Total FPS (H.264) |
600 FPS @ 720p (1280x720) 300 FPS @ 1080p (1920x1080) 200 FPS @ 3M (2048x1536) 150 FPS @ 5M (2591x1944) 110 FPS @ 4K (3840x2160)
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Total FPS (H.265) |
600 FPS @ 720p (1280x720) 300 FPS @ 1080p (1920x1080) 240 FPS @ 3M (2048x1536) 200 FPS @ 5M (2591x1944) 180 FPS @ 4K (3840x2160)
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Total FPS (MJPEG) |
240 FPS @ 720p (1280x720) 200 FPS @ 1080p (1920x1080) 130 FPS @ 3M (2048x1536) 80 FPS @ 5M (2591x1944)
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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).
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Recommended Number of Hosted Files |
100,000 (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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Recommended Number of Concurrent Sync Clients |
200 (the number of connections that can be maintained when the recommended number of hosted files was reached)
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Notes |
- Exceeding the recommended numbers above will not block application operations, but may result in longer response time.
- Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.
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Maximum Users |
200
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Notes |
- Multiple files were opened for testing and each file was edited by 30 users simultaneously.
- Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
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Video Transcoding |
4K Group 3 (See more)
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Maximum Transcoding Channel Number |
1 channel, 60 FPS @ 4K (4096 x 2160), H.265 (HEVC), 10-bit or 1 channel, 30 FPS @ 1080p (1920 × 1080), H.264 (AVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1
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Maximum Connections |
20
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