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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SSD Read / Write Cache (White Paper)
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Yes
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SSD TRIM |
Yes
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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 (with Expansion Unit)
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Global Hot Spare Supported RAID Type |
- Synology Hybrid RAID
- RAID 1
- RAID 5
- RAID 6 (with Expansion Unit)
- RAID 10 (with Expansion Unit)
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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.
- Each internal volume (may consist of multiple drives) is expandable up to 108TB.
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File Protocol |
SMB/AFP/NFS/FTP/WebDAV |
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Maximum Concurrent SMB/AFP/FTP Connections |
500 |
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Maximum Concurrent SMB/AFP/FTP Connections (with RAM expansion) |
2,000 |
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Windows Access Control List (ACL) Integration |
Yes
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NFS Kerberos Authentication |
Yes |
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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 |
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Maximum Local Groups |
256 |
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Maximum Shared Folder |
512 |
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Maximum Shared Folder Sync Tasks |
16 |
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Hybrid Share Folder Number |
10 |
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Synology High Availability |
Yes
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Syslog Events per Second |
800 |
Virtualization
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VMware vSphere with VAAI |
Yes |
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Windows Server 2016 |
Yes |
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Windows Server 2019 |
Yes |
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Citrix Ready |
Yes |
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OpenStack |
Yes |
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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 |