Synology DS920+ NAS DiskStation 4-Bays
Synology DS920+
NAS DiskStation 4-Bays
DiskStation DS920+
Scalable NAS with SSD cache acceleration capability
Synology DS920+ is an ideal network-attached storage solution to streamline data management and productivity. Two built-in M.2 SSD slots and Synology SSD Cache technology allow you to boost system I/O and application performance. Scalable storage design lets you start small and expand storage capacity with Synology DX517 as your data grows.
CPU
4-core 2.0 GHz, burst up to 2.7 GHz
Cache Acceleration
2 x built-in M.2 2280 NVMe SSD slots
Performance
Average 15% boost to computing-intensive applications
Scalability
Expand up to 9 drives with a DX517 expansion unit
Optimize performance and capacity
DS920+ provides two built-in M.2 SSD slots so that you can take full advantage of Synology SSD Cache functionality. Add SSD cache for up to 20 times faster I/O response without using front drive bays. You can add five more drives with Synology DX517 to expand storage capacity.
Accelerate demanding applications
A more powerful CPU speeds up computing-intensive applications. The new 4-core processor boosts photo indexing, database response times, and web PHP response efficiency. Easily categorize your photo memories, smoothly manage files across computers and mobile devices, and enjoy blazing fast web applications.
15.5% Synology Drive faster in file indexing90%
24% Moments faster in photo indexing80%
133% Web server faster PHP response50%
Access and sync your files seamlessly
Synology Drive provides a built-in universal portal to access your data anytime and anywhere, and synchronize all your files across platforms, including Windows, macOS, Linux, Android, and iOS. Learn more
● Sync files on demand: Save the storage space and network bandwidth of your PC.
● Go back in time: Easily retrieve previous versions of your shared files.
● Back up your data: Protect your files with scheduled backups or in real-time.
Access and sync your files seamlessly
Synology Drive provides a built-in universal portal to access your data anytime and anywhere, and synchronize all your files across platforms, including Windows, macOS, Linux, Android, and iOS. Learn more
● Sync files on demand: Save the storage space and network bandwidth of your PC.
● Go back in time: Easily retrieve previous versions of your shared files.
● Back up your data: Protect your files with scheduled backups or in real-time.
Real-time collaboration on your private cloud
Synology Office is a collaboration package combining the convenience and usability of public clouds with the data privacy and security guaranteed by private clouds. It allows you to work seamlessly together on documents and spreadsheets in a protected environment. Learn more
Virtual Machine Manager
Virtual Machine Manager enables you to test new software in sandboxes, isolate your customers' machines, and increase the flexibility of your server. You can easily run Windows, Linux, and Virtual DSM on your Synology NAS by just a few steps. Learn more
Snapshots for virtual machines
Perfectly clone and restore a virtual machine within seconds.
Live migration
Seamlessly migrate Virtual DSM instances from a Synology NAS to another.
Live migration
Seamlessly migrate Virtual DSM instances from a Synology NAS to another.
Powered by Synology DSM
Multimedia
Complete multimedia solution for management, streaming, and playback.
Learn more
Hyper Backup
Store multiple backup versions with block-level incremental data backup and cross-version deduplication.
Learn more
Desktop Backup
Simplified backup solution for your Mac, PC, and mobile devices.
Learn more
Snapshot Replication
Schedulable and instantaneous data protection for shared folders and iSCSI LUNs for disaster prevention.
Learn more
Surveillance Station
Complete surveillance solution for recording, monitoring, and management.
Learn more
Virtual Machine Manager
Run various operating systems in isolated sandboxes. Seamlessly clone, restore and migrate virtual machines.
Learn more
1. Status indicator
2. Drive status indicator
3. Drive tray lock
4. USB 3.0 port
5. Power button and indicator
6. Drive tray
2. Drive status indicator
3. Drive tray lock
4. USB 3.0 port
5. Power button and indicator
6. Drive tray
7. 1GbE RJ-45 port
8. Reset button
9. eSATA port
10. Power port
11. System fan
12. Kensington Security Slot
8. Reset button
9. eSATA port
10. Power port
11. System fan
12. Kensington Security Slot
Hardware Specifications
| CPU | |
| CPU Model | Intel Celeron J4125 4-core 2.0 GHz, burst up to 2.7 GHz |
| CPU Architecture | 64-bit |
| CPU Frequency | 4-core 2.0 (base) / 2.7 (burst) GHz |
| Hardware Encryption Engine (AES-NI) | Yes |
| Memory | |
| System Memory | 4 GB DDR4 non-ECC |
| Memory Module Pre-installed | 4 GB (4 GB x 1) |
| Total Memory Slots | 2 |
| Memory Expandable up to | 8 GB (4 GB x 2) |
| Notes |
|
| Storage | |
| Drive Bays | 4 |
| Maximum Drive Bays with Expansion Unit |
9 (DX517 x 1) |
| M.2 Drive Slots | 2 (NVMe) |
| Compatible Drive Type* (See all supported drives) |
|
| Maximum Internal Raw Capacity | 64 TB (16 TB drive x 4) (Capacity may vary by RAID types) |
| Maximum Raw Capacity with Expansion Units | 144 TB (64 TB + 16 TB drive x 5) (Capacity may vary by RAID types) |
| Maximum Single Volume Size* | 108 TB |
| Hot Swappable Drive | Yes |
| Notes |
|
| External Ports | |
| RJ-45 1GbE LAN Port | 2 (with Link Aggregation / Failover support) |
| USB 3.0 Port | 2 |
| eSATA Port | 1 |
| File System | |
| Internal Drives |
|
| External Drives |
|
| Notes | exFAT Access is purchased separately in Package Center. |
| Appearance | |
| Size (Height x Width x Depth) | 166 mm x 199 mm x 223 mm |
| Weight | 2.24 kg |
| Others | |
| System Fan | 92 mm x 92 mm x 2 pcs |
| Fan Speed Mode |
|
| Brightness Adjustable Front LED Indicators |
Yes |
| Power Recovery | Yes |
| Noise Level* | 19.8 dB(A) |
| Scheduled Power On / Off | Yes |
| Wake on LAN / WAN | Yes |
| Power Supply Unit / Adapter | 100 W |
| AC Input Power Voltage | 100 V to 240 V AC |
| Power Frequency | 50/60 Hz, Single Phase |
| Power Consumption* | 32.17 W (Access) 9.69 W (HDD Hibernation) |
| British Thermal Unit | 109.84 BTU/hr (Access) 33.09 BTU/hr (HDD Hibernation) |
| Notes |
|
| Environment Temperature | |
| Operating Temperature | 5°C to 40°C (40°F to 104°F) |
| Storage Temperature | -20°C to 60°C (-5°F to 140°F) |
| Relative Humidity | 5% to 95% RH |
| Certification | |
| Certification |
|
| Warranty | 3-year hardware warranty, extendable to 5-year coverage - EW201 |
| Notes | The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more) |
| Environment | RoHS Compliant |
| Packaging Content | |
|
|
| Optional Accessories | |
| 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 (White Paper) | Yes |
| SSD TRIM | Yes |
| Supported RAID Type |
|
| RAID Migration |
|
| Volume Expansion with Larger HDDs |
|
| Volume Expansion by Adding a HDD |
|
| Global Hot Spare Supported RAID Type |
|
| File Services | |
|---|---|
| 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 |
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 | 16 |
| High Availability | |
| Synology High Availability | |
| Log Center | |
| Syslog Events per Second | 800 |
| Virtualization | |
|
Windows Server 2016 Citrix Ready OpenStack |
|
| General Specifications | |
| Networking 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 |
| Add-on Packages (view the complete package list) | |
Antivirus by McAfee (Trial) |
Yes |
| Central Management System | Yes |
| Synology Chat | |
| Maximum Users | 1,500 |
| Notes |
|
| Cloud Station Server | |
| Recommended Number of Hosted Files | 500,000 |
| Recommended Number of Concurrent Sync Clients | 450 (the number of connections that can be maintained when the recommended number of hosted files was reached) |
| Notes |
|
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 | 100 |
| Maximum Server Performance | 1,224,000 emails per day, approx. 37GB |
| Notes |
|
| 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) | 40 (including 2 Free License) (See All Supported IP Cameras) |
| Total FPS (H.264) | 1200 FPS @ 720p (1280x720) 840 FPS @ 1080p (1920x1080) 550 FPS @ 3M (2048x1536) 300 FPS @ 5M (2591x1944) 180 FPS @ 4K (3840x2160) |
| Total FPS (H.265) | 1200 FPS @ 720p (1280x720) 1200 FPS @ 1080p (1920x1080) 900 FPS @ 3M (2048x1536) 550 FPS @ 5M (2591x1944) 300 FPS @ 4K (3840x2160) |
| Total FPS (MJPEG) | 720 FPS @ 720p (1280x720) 500 FPS @ 1080p (1920x1080) 330 FPS @ 3M (2048x1536) 200 FPS @ 5M (2591x1944) |
| Notes |
|
| 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 |
600 (the number of connections that can be maintained when the recommended number of hosted files was reached) |
| Notes |
|
| Synology Office | |
| Maximum Users | 3,400 |
| Notes |
|
| Video Station | |
| Video Transcoding | 4K Group 1 (See more) |
| Maximum Transcoding Channel Number |
2 channel, 30 FPS @ 4K (4096 x 2160), H.264 (AVC)/H.265 (HEVC) or 2 channel, 30 FPS @ 1080p (1920×1080), H.264 (AVC)/H.265 (HEVC)/MPEG-2/VC-1 |
| Virtual Machine Manager | |
| Recommended Virtual Machine Instances |
4 (Learn more) |
|
Recommended Virtual DSM Number |
4 (including 1 Free License) |
| Notes | The specifications vary depending on system configuration and memory size. |
| VPN Server | |
| Maximum Connections | 30 |
Note:
*Model specifications are subject to change without notice. Please refer to www.synology.com for the latest information.
1. Performance figures may vary depending on environment, usage, and configuration.
2. DS920+ supports one Synology DX517, sold separately.
3. DS920+ can transcode 4K video to 1080p or lower. The maximum number of concurrent video transcoding channels supported may vary depending on the video codec, resolution,
bitrate and FPS.
4. exFAT Access is purchased separately in Package Center.
5. The warranty period starts from the purchase date as stated on your purchase receipt. Visit https://www.synology.com
1. Performance figures may vary depending on environment, usage, and configuration.
2. DS920+ supports one Synology DX517, sold separately.
3. DS920+ can transcode 4K video to 1080p or lower. The maximum number of concurrent video transcoding channels supported may vary depending on the video codec, resolution,
bitrate and FPS.
4. exFAT Access is purchased separately in Package Center.
5. The warranty period starts from the purchase date as stated on your purchase receipt. Visit https://www.synology.com
