DSM Specifications |
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| | Maximum Internal Volume Number | 64 |
| | SSD Read / Write Cache (White Paper) | |
| | SSD TRIM | |
| | Supported RAID Type | - Synology Hybrid RAID
- Basic
- JBOD
- RAID 0
- RAID 1
- RAID 5
- RAID 6
- RAID 10
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| | RAID Migration | - Basic to RAID 1
- Basic to RAID 5
- RAID 1 to RAID 5
- RAID 5 to RAID 6
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| | Volume Expansion with Larger HDDs | - Synology Hybrid RAID
- RAID 1
- RAID 5
- RAID 6
- RAID 10
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| | Volume Expansion by Adding a HDD | - Synology Hybrid RAID
- JBOD
- RAID 5
- RAID 6
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| | Global Hot Spare Supported RAID Type | - Synology Hybrid RAID
- RAID 1
- RAID 5
- RAID 6
- RAID 10
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| | File Protocol | CIFS/AFP/NFS/FTP/WebDAV |
| | Maximum Concurrent CIFS/AFP/FTP Connections | 1,000 |
| | Maximum Concurrent CIFS/AFP/FTP Connections (with RAM expansion) | 2,000 |
| | 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.
- 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 |
| | Maximum Local Groups | 256 |
| | Maximum Shared Folder | 512 |
| | Maximum Shared Folder Sync Tasks | 16 |
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| | Synology High Availability | |
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| | Syslog Events per Second | 800 |
Virtualization |
Virtualization | VMware vSphere 6 with VAAI | |
| | Windows Server 2016 | |
| | Windows Server 2019 | |
| | Citrix Ready | |
| | OpenStack | |
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| | 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
- 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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Antivirus by McAfee (Trial) |
Antivirus by McAfee (Trial) | |
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| | Maximum Users | 1,500 |
| | 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.
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Document Viewer |
Document Viewer | |
Download Station |
Download Station | |
Download Station | Maximum Concurrent Download Tasks | 80 |
exFAT Access (Optional) |
exFAT Access (Optional) | |
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| | Maximum iSCSI Target Number | 128 |
| | Maximum iSCSI LUN | 256 |
| | iSCSI LUN Clone/Snapshot, Windows ODX | |
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| | Free Email Accounts | 5 (Licenses required for additional accounts) |
| | Maximum Number of Concurrent Users | 150 |
| | Maximum Server Performance | 1,484,000 emails per day, approx. 45GB |
| | Notes | - Models with more than 4 bays were installed with two SSDs for SSD cache.
- 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 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).
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| | DLNA Compliance | |
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| | Facial Recognition | |
| | Subject Recognition | |
| | Auto Color & Rotate | |
| | Moments Select | |
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| | Maximum Snapshots per Shared Folder | 1,024 |
| | Maximum of System Snapshots | 65,536 |
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| | Maximum IP cam (Licenses required) | 40 (including 2 Free License) (See All Supported IP Cameras) |
| | Total FPS (H.264) | 1200 FPS @ 720p (1280x720)
1050 FPS @ 1080p (1920x1080)
600 FPS @ 3M (2048x1536)
440 FPS @ 5M (2591x1944)
320 FPS @ 4K (3840x2160) |
| | Total FPS (H.265) | 1200 FPS @ 720p (1280x720)
1200 FPS @ 1080p (1920x1080)
1120 FPS @ 3M (2048x1536)
600 FPS @ 5M (2591x1944)
480 FPS @ 4K (3840x2160) |
| | 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 | 1,000,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above) |
| | Recommended Number of Concurrent Sync Clients | 550 (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.
- Utilizing 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.
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| | Maximum Users | 1,800 |
| | 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
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| | 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. |
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| | Maximum Connections | 30 |