DSM Specifications |
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Maximum Single Volume Size
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108 TB
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Maximum Internal Volume Number
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64
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SSD Read/Write Cache (Determining cache size)
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SSD TRIM
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Supported RAID Type
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- Synology Hybrid RAID
- Basic
- JBOD
- RAID 0
- RAID 1
- RAID 5
- RAID 6
- RAID 10
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RAID Migration
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- 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
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- Synology Hybrid RAID
- RAID 1
- RAID 5
- RAID 6
- RAID 10
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Volume Expansion by Adding a HDD
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- Synology Hybrid RAID
- JBOD
- RAID 5
- RAID 6
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Global Hot Spare Supported RAID Type
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- Synology Hybrid RAID
- RAID 1
- RAID 5
- RAID 6
- RAID 10
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Notes
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- Each internal volume (may consist of multiple drives) is expandable up to 108TB.
- Actual maximum storage pool and volume sizes vary depending on drives used, the number of drive bays available, and the RAID configuration.
- 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.
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Internal Drives
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External Drives
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- Btrfs
- ext4
- ext3
- FAT32
- NTFS
- HFS+
- exFAT
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File Protocol
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Maximum Number of SMB Connections (FSCT-Based)
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5
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Windows Access Control List (ACL) Integration
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NFS Kerberos Authentication
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Notes
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- Connection value of this model is tested with Synology SATA SSD fully populated and all onboard network ports
- Models with expandable memory are tested with the maximum supported quantity installed.
- SMB performance was evaluated using Microsoft File Server Capacity Tool (FSCT) version 1.3, with the following configuration:
- Test workload: HomeFolder scenario provided by the FSCT tool
- Test duration: 600 seconds
- Domain controller & FSCT controller: Windows Server 2022
- FSCT clients: 8 × Windows 10 machines
- SMB feature: Directory leasing enabled
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Maximum Local User Accounts
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512
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Maximum Local Groups
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128
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Maximum Shared Folder
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128
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Maximum Shared Folder Sync Tasks
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4
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Hybrid Share Folder Number
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10
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Folder and Package Backup
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Entire System Backup
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Notes
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Full-system backup requires DSM 7.2 or later.
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Synology High Availability
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Syslog Events per Second
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800
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Virtualization |
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Virtualization
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VMware vSphere
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ESXi 8.0 U2, ESXi 8.0 U1, ESXi 8.0, ESXi 7.0 U3, ESXi 7.0 U2, ESXi 7.0 U1, ESXi 7.0, ESXi 6.7 U3, ESXi 6.7 U2, ESXi 6.7 U1, ESXi 6.7, ESXi 6.5 U3, ESXi 6.5 U2, ESXi 6.5 U1, ESXi 6.5
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Microsoft Hyper-V
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Windows Server 2019, Windows Server 2016
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Citrix XenServer
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XenServer 7
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OpenStack
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Cinder
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Supported Protocols
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SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV
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Supported Browsers
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Supported Language
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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
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For an updated list of supported browser versions, check the DSM Technical Specifications.
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Synology AI Console |
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Synology AI Console
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Third-Party AI Model Integration
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Download Station |
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Download Station
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Maximum Concurrent Download Tasks
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80
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Maximum iSCSI Target Number
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2
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Maximum LUN
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4
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LUN Clone/Snapshot, Windows ODX
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Free Email Accounts
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5 (Additional accounts require purchase of licenses)
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Suggested Users
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10
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Notes
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- The suggested maximum number of users is based on the following workload: 20% of users with a 20,000 item mailbox randomly performing actions and receiving 240 emails per day, and 80% of users receiving 20 emails per day. Learn more
- Models with SSD support are tested with a single SSD volume.
- Models with expandable memory are tested with the maximum supported quantity installed. Learn more about memory requirements.
- Operating in high-availability mode will incur additional overhead.
- Features enabled during evaluation: anti-spam, anti-virus, DNSBL, greylist, content scanning, and full-text search (English).
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DLNA Compliance
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Facial Recognition
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Object Recognition
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Notes
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Object recognition requires an upgrade of memory capacity to a minimum of 4 GB.
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Maximum Snapshots per Shared Folder
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128
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Maximum Snapshots per LUN
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32
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Maximum Snapshots per System
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1,024
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Maximum Replication Tasks for Shared Folders
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16
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Maximum Replication Tasks for LUNs
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8
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Maximum Replication Tasks per System
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16
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Default Licenses
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2 (Additional cameras require purchase of licenses)
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Maximum IP Cameras and Total FPS (H.264)
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- 1080p: 25 channels, 600 FPS
- 3M: 25 channels, 350 FPS
- 5M: 20 channels, 250 FPS
- 4K: 12 channels, 120 FPS
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Maximum IP Cameras and Total FPS (H.265)
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- 1080p: 25 channels, 750 FPS
- 3M: 25 channels, 450 FPS
- 5M: 25 channels, 250 FPS
- 4K: 20 channels, 200 FPS
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Notes
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- 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 number of video channels that can be viewed simultaneously is double the maximum number of cameras for the same codec and resolution.
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Suggested Users
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5
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Maximum Number of Hosted Files
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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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Notes
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- The suggested maximum number of users is based on the following workload: 20% of users randomly perform file operations (upload, download, move, and delete), and 80% of users are logged in but idle. Learn more
- Models with SSD support are tested with a single SSD volume.
- Models with expandable memory are tested with the maximum supported quantity installed.
- 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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Suggested Users
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5
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Notes
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- The suggested maximum number of users is based on the following workload: 20% of users are executing random actions at an average of 30-second intervals, and 80% of users are logged in and viewing a file. Learn more
- Models with SSD support are tested with a single SSD volume.
- Models with expandable memory are tested with the maximum supported quantity 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
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2 (Learn more)
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Recommended Virtual DSM Number (Licenses required)
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2 (including 1 Free License)
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Notes
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The specifications vary depending on system configuration and memory size.
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Maximum Connections
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4
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