DSM Specifications
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Maximum Single Volume Size* |
108 TB |
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Maximum Internal Volume Number |
64 |
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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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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 |
100 |
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Windows Access Control List (ACL) Integration |
Yes |
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NFS Kerberos Authentication |
Yes |
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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 |
1,024 |
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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 |
2 |
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Syslog Events per Second |
200 |
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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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Maximum Users |
10 |
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Notes |
When applicable, systems are tested configured with maximum memory and set to allow the maximum number of connections. |
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 |
Yes |
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Facial Recognition |
Yes |
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Maximum IP cam (Licenses required) |
12 (including 2 Free License) (see all supported IP cameras) |
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Total FPS (H.264) |
360 FPS @ 720p (1280×720)
110 FPS @ 1080p (1920×1080)
70 FPS @ 3M (2048×1536)
40 FPS @ 5M (2591×1944)
30 FPS @ 4K (3840×2160) |
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Total FPS (H.265) |
360 FPS @ 720p (1280×720)
240 FPS @ 1080p (1920×1080)
110 FPS @ 3M (2048×1536)
70 FPS @ 5M (2591×1944)
40 FPS @ 4K (3840×2160) |
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Total FPS (MJPEG) |
80 FPS @ 720p (1280×720)
50 FPS @ 1080p (1920×1080)
40 FPS @ 3M (2048×1536)
20 FPS @ 5M (2591×1944) |
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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.
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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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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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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 |
Group 2 (See more) |
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Maximum Connections |
10 |
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