DSM Specifications |
Storage Management |
Maximum Internal Volume Number |
64 |
Maximum iSCSI Target Number |
128 |
Maximum iSCSI LUN |
256 |
iSCSI LUN Clone/Snapshot, Windows ODX |
Yes |
SSD Read / Write Cache |
Yes |
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
|
File Services |
File Protocol |
CIFS/AFP/NFS/FTP/WebDAV |
Maximum Concurrent CIFS/AFP/FTP Connections |
500 |
Maximum Concurrent CIFS/AFP/FTP Connections (with RAM expansion) |
1,500 |
Windows Access Control List (ACL) Integration |
Yes |
NFS Kerberos Authentication |
Yes |
Account & Shared Folder |
Maximum Local User Accounts |
2,048 |
Maximum Local Groups |
256 |
Maximum Shared Folder |
512 |
Maximum Shared Folder Sync Tasks |
8 |
High Availability |
Synology High Availability |
Yes |
Log Center |
Syslog Events per Second |
400 |
Virtualization |
VMware vSphere 6 with VAAI |
Yes |
Windows Server 2016 |
Yes |
Citrix Ready |
Yes |
OpenStack |
Yes |
General Specifications |
Networking Protocols |
SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV |
Supported Browsers |
- Chrome
- Firefox
- Edge
- Internet Explorer 10 onwards
- Safari 10 onwards
- Safari (iOS 10 onwards)
- Chrome (Android 6.0 onwards)
|
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 |
Add-on Packages |
Antivirus by McAfee (Trial) |
Yes |
Central Management System |
Yes |
Synology Chat |
Maximum Users |
1,000 |
Notes |
- The number of concurrent HTTP connections for Synology Chat was configured to the maximum.
- CPU and RAM usage were both under 80% when the number of maximum users was reached.
- For tested models with expandable memory, the maximum amount of RAM was installed.
|
Document Viewer |
Yes |
Download Station |
Maximum Concurrent Download Tasks |
80 |
exFAT Access (Optional) |
Yes |
Synology MailPlus / MailPlus Server |
Free Email Accounts |
5 (Licenses required for additional accounts) |
Maximum Number of Concurrent Users |
50 |
Maximum Server Performance |
936,000 emails per day, approx. 28GB |
Notes |
- The CPU and RAM usage were both under 80% when testing the maximum number of concurrent users.
- For tested models with expandable memory, the maximum amount of RAM was installed.
- Read-write SSD cache was enabled in 5-bay (and above) NAS models with 2 SSDs units 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).
|
Media Server |
DLNA Compliance |
Yes |
Moments |
Facial Recognition |
Yes |
Subject Recognition |
Yes |
Auto Color & Rotate |
Yes |
Moments Select |
Yes |
Snapshot Replication |
Maximum Snapshots per Shared Folder |
1,024 |
Maximum of System Snapshots |
65,536 |
Surveillance Station |
Maximum IP cam (Licenses required) |
25 (including 2 Free License) |
Total FPS (H.264) |
750 FPS @ 720p (1280×720)
700 FPS @ 1080p (1920×1080)
350 FPS @ 3M (2048×1536)
240 FPS @ 5M (2591×1944)
120 FPS @ 4K (3840×2160) |
Total FPS (H.265) |
750 FPS @ 720p (1280×720)
750 FPS @ 1080p (1920×1080)
500 FPS @ 3M (2048×1536)
250 FPS @ 5M (2591×1944)
200 FPS @ 4K (3840×2160) |
Total FPS (MJPEG) |
450 FPS @ 720p (1280×720)
250 FPS @ 1080p (1920×1080)
160 FPS @ 3M (2048×1536)
130 FPS @ 5M (2591×1944) |
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).
|
Synology Drive |
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) |
Recommended Number of Concurrent Sync Clients |
350 (the number of connections that can be maintained when the recommended number of hosted files was reached) |
Notes |
- For tested models with expandable memory, the maximum amount of RAM was installed.
- Exceeding the limits above may result in longer response time in file operations.
- Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.
|
Synology Office |
Maximum Users |
600 |
Notes |
- Multiple files were opened for testing and each file was edited by 30 users simultaneously.
- CPU and RAM usage were both under 80% when the number of maximum users was reached.
- 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
|
Video Station |
Yes |
Virtual Machine Manager |
Recommended Virtual Machine Instances |
2 |
Recommended Virtual DSM Number (Licenses required) |
2 (including 1 Free License) |
Notes |
The specifications vary depending on system configuration and memory size. |
VPN Server |
Maximum Connections |
30 |