| DSM Specifications |
| Storage Management | Maximum Single Volume Size | 108 TB |
| Maximum Internal Volume Number | 64 |
| SSD TRIM | YES |
| Supported RAID Type | - Synology Hybrid RAID
- 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 | - Synology Hybrid RAID
- RAID 1
- RAID 5
- RAID 6
- RAID 10
|
| Volume Expansion by Adding a HDD | - Synology Hybrid RAID
- JBOD
- RAID 5
|
| Global Hot Spare Supported RAID Type | - Synology Hybrid RAID
- RAID 1
- RAID 5
|
| 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.
|
| File System | Internal Drives | |
| External Drives | - Btrfs
- ext4
- ext3
- FAT
- NTFS
- HFS+
- exFAT
|
| File Services | File Protocol | |
| Maximum Concurrent SMB/AFP/FTP Connections | 200 |
| Windows Access Control List (ACL) Integration | YES |
| NFS Kerberos Authentication | YES |
| 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. |
| Account & Shared Folder | Maximum Local User Accounts | 1,024 |
| Maximum Local Groups | 256 |
| Maximum Shared Folder | 256 |
| Maximum Shared Folder Sync Tasks | 4 |
| Hybrid Share | Hybrid Share Folder Number | 5 |
| Hyper Backup | Data & Folder Backup | YES |
| Log Center | Syslog Events per Second | 400 |
| General Specifications | Supported Protocols | SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, 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. |
| Add-on Packages view the complete package list |
| Synology Chat | YES |
| Download Station | Maximum Concurrent Download Tasks | 80 |
| SAN Manager | Maximum iSCSI Target Number | 128 |
| Maximum LUN | 256 |
| LUN Clone/Snapshot, Windows ODX | YES |
| Media Server | DLNA Compliance | YES |
| Synology Photos | Facial Recognition | YES |
| Snapshot Replication | Maximum Snapshots per Shared Folder | 256 |
| Maximum of System Snapshots | 4,096 |
| Surveillance Station | Default Licenses | 2 (Additional cameras require purchase of licenses) |
| Suggested Maximum IP Cameras and Total FPS (H.264) | - 720p: 30 channels, 900 FPS
- 1080p: 30 channels, 600 FPS
- 3M: 30 channels, 300 FPS
- 5M: 20 channels, 200 FPS
- 4K: 15 channels, 150 FPS
|
| Suggested Maximum IP Cameras and Total FPS (H.265) | - 720p: 30 channels, 900 FPS
- 1080p: 30 channels, 800 FPS
- 3M: 30 channels, 500 FPS
- 5M: 30 channels, 450 FPS
- 4K: 20 channels, 200 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.
|
| Synology Drive | Recommended Number of Concurrent Sync Clients | 200 (the number of connections that can be maintained when the recommended number of hosted files was reached) |
| 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) |
| 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.
|
| Synology Office | Suggested Maximum Users | 500 |
| Suggested Concurrent Users | 200 |
| 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
|
| Video Station | YES |
| VPN Server | Maximum Connections | 20 |
|---|