Technical Specifications

Hardware

CPU:
Intel Celeron J4125 4-core 2.0 GHz, burst up to 2.7 GHz

Hardware encryption engine:
Yes (AES-NI)

Memory:
4 GB DDR4 onboard (expandable up to 8 GB)5

Compatible drive type:
-4 x 3.5" or 2.5" SATA HDD/SSD (drives not included)
-2 x M.2 2280 NVMe SSD (drives not included)

Hot swappable drive:
Yes

External port:
-2 x USB 3.0 port
-1 x eSATA port

Size (HxWxD):
166 x 199 x 223 mm

Weight:
2.24 kg

LAN:
2 x Gigabit (RJ-45)

Wake on LAN/WAN:
Yes

Scheduled power on/off:
Yes

System fan:
2 (92 x 92 x 25 mm)

AC input power voltage:
100 V to 240 V AC

Power frequency:
50/60 Hz, single phase

Operating temperature:
0°C to 40°C (32°F to 104°F)

Storage temperature:
-20°C to 60°C (-5°F to 140°F)

Relative humidity:
5% to 95% RH

Maximum operating altitude:
5,000 m (16,400 ft)

General DSM Specifications

Networking protocol:
SMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, VPN (PPTP, OpenVPN™ , L2TP)

File system:
-Internal: Btrfs, ext4
-External: Btrfs, ext4, ext3, FAT, NTFS, HFS+, exFAT6

Supported RAID type:
Synology Hybrid RAID (SHR), Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10

Storage management:
-Maximum single volume size: 108 TB
-Maximum system snapshots: 65,5367
-Maximum internal volume: 64

SSD cache:
-Read/write cache support
-M.2 NVMe SSD support

File sharing capability:
-Maximum local user account: 2,048
-Maximum local group: 256
-Maximum shared folder: 512
-Maximum concurrent SMB/NFS/AFP/FTP connection: 1,000

Privilege:
Windows Access Control List (ACL), application privilege

Directory service:
Windows® AD integration: Domain users login via SMB/NFS/AFP/FTP/File Station, LDAP integration

Virtualization:
VMware vSphere® 6.5, Microsoft Hyper-V® , Citrix®, OpenStack®

Security:
Firewall, shared folder encryption, SMB encryption, FTP over SSL/TLS, SFTP, rsync over SSH, login auto block, Let's Encrypt support, HTTPS (customizable cipher suite)

Supported client:
Windows® 7 onwards, macOS® 10.12 onwards

Supported browser:
Chrome®, Firefox®, Edge®, Internet Explorer® 10 onwards, Safari® 10 onwards; Safari (iOS 10 onwards), Chrome (Android™ 6.0 onwards) on tablets

Interface Language:
English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svensk, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český

Packages and Applications

File Server & Synchronization:
Provide a universal portal to synchronize your files across various platforms, including Windows®, macOS®, Linux®, Android and iOS. The built-in universal portal allows you to access data anytime and anywhere.

Synology Drive:
-Maximum number of hosted files: 500,000
-Maximum number of concurrent connections for PC clients: 600

File Station:
Virtual drive, remote folder, Windows ACL editor, compressing/extracting archived files, bandwidth control for specific users or groups, creating sharing links, transfer logs

FTP Server:
Bandwidth control for TCP connections, custom FTP passive port range, anonymous FTP, FTP SSL/TLS and SFTP protocol, boot over the network with TFTP and PXE support, transfer logs

Presto File Server:
High-speed data transfer over WAN with exclusive SITA technology between Synology NAS and desktop

Cloud Sync:
One or two-way synchronization with public cloud storage providers including Alibaba Cloud OSS, Amazon Drive, Amazon S3-compatible storage, Backblaze B2, Baidu Cloud, Box, Dropbox, Google Cloud Storage, Google Drive, hubiC, MegaDisk, Microsoft OneDrive, OpenStack Swift-compatible storage, Tencent COS, WebDAV servers, Yandex Disk

Universal Search:
Offer global search into applications and files

iSCSI Storage & Virtualization

iSCSI Manager:
-Maximum iSCSI target: 128
-Maximum iSCSI LUN: 256
-iSCSI LUN clone/snapshot support

Virtual Machine Manager:
Deploy and run various virtual machines on Synology NAS, including Windows®, Linux®, or Virtual DSM

Data Protection & Backup Solution

Hyper Backup:
Support local backup, network backup, and backup data to public clouds

Backup tools:
-DSM configuration backup, macOS Time Machine support, Synology Drive Client desktop application
-Shared folder sync - maximum task number: 16

Snapshot Replication:
-Maximum of shared folder snapshots: 1,024
-Maximum of Replication: 32

Synology High Availability:
Reduce service downtime by setting up two identical NAS into one high-availability cluster

Active Backup for G Suite:
Support G Suite My Drive and Team Drive backup and restoration

Active Backup for Office 365:
Support Office 365 OneDrive for Business, mail, contacts, and calendar backup and restoration

Active Backup for Business:
All-in-one backup solution designed for heterogeneous business IT environment, enabling IT admins to remotely manage and monitor protection over PC, servers and VM on one centralized console

Productivity & Collaboration

Note Station:
Rich-text note organization and versioning, encryption, sharing, media embedding and attachments

Synology MailPlus Server:
-Secure, reliable, and private mail solution with high-availability, load balancing, security and filtering design (Includes 5 free
-email account licenses; additional accounts require the purchasing of additional licenses)

Synology MailPlus:
Intuitive webmail interface for Synology MailPlus Server, customizable mail labels, filters, and user interface

Multimedia

Moments:
Support smart AI album with facial and subject recognition, photo editing and sharing features, similar photo detection, auto- editing functions such as color correction and angle adjustments, and AI selection of the best photos. Mobile applications are available on iOS and AndroidTM devices

Other packages:
Video Station, Photo Station, Audio Station, iTunes® Server

Surveillance

Surveillance Station:
Maximum IP camera: 40 (total of 1,200 FPS at 720p, H.264) (Including two free camera licenses; additional cameras require the purchasing of additional licenses)

All-in-One Server

Synology Directory Server:
Provide a flexible and cost-effective domain controller solution

Central Management System:
Provide a single interface to manage and monitor multiple Synology NAS

VPN Server:
Maximum connection: 30, supported VPN protocol: PPTP, OpenVPN™, L2TP/IPSec

Mail Server:
Supported Mail Server Protocols: POP3, SMTP, IMAP, Support LDAP/AD account

Mail Station:
Webmail interface for Mail Server to receive emails from multiple POP3 mailboxes, customizable SMTP server

Web Station:
Virtual host (up to 30 websites), PHP/MariaDB®, third-party applications support

Other packages:
DNS Server, RADIUS Server, Log Center

Others

Storage Analyzer:
Volume and quota usage, total size of files, volume usage and trends based on past usage, size of shared folders, large files, most recently modified files, least recently accessed files

Antivirus Essential:
Full system scan, scheduled scan, white list customization, virus definition auto update

iOS/Android™ applications:
Synology Drive, Synology MailPlus, Synology Chat, Synology LiveCam, Moments, DS audio, DS photo, DS video, DS cam, DS file, DS finder, DS note

Other packages:
Additional 3rd-party packages available on Package Center

Environment and Packaging

Environment safety:
RoHS compliant

Package content:
-DS920+ main unit x 1
-Quick Installation Guide x 1
-Accessory pack x 1
-AC power adapter x 1
-AC power cord x 1
-RJ-45 LAN cable x 2

Optional accessories:
-DDR4 non-ECC SO-DIMM 4 GB (D4NESO-2666-4G)
-Synology Expansion Unit DX517
-VisualStation  VS360HD, VS960HD
-Surveillance Device License Pack
-Synology MailPlus License Pack
-Virtual DSM License Pack

Warranty:
3 years

*Model specifications are subject to change without notice. Please refer to www.synology.com for the latest information.

1. DS920+ supports up to one Synology Expansion Unit DX517, sold separately.
2. Performance figures are based on the average percentage improvement of DS920+ relative to its predecessor, as tested at Synology labs. Test items include file indexing in Synology Drive and photo indexing in Moments.
3. Performance figures may vary depending on environment, usage, and configuration.
4. Licenses may need to be purchased depending on the use case.
5. DS920+ comes with 4 GB DDR4 onboard and can support up to 8 GB by adding one optional DDR4 non-ECC 4 GB SO-DIMM.
6. exFAT Access can be purchased separately in Package Center.
7. System snapshots include snapshots taken by iSCSI Manager, Snapshot Replication, and Virtual Machine Manager. Availability of these packages varies by model.
8. Presto File Server license can be purchased separately in Package Center.
9. Please refer to www.synology.com/compatibility for the latest optional accessories list.
10. 5-year warranty is available as an optional bundle with EW201, a 2-year Extended Warranty service add-on. Visit https://www.synology.com/en-global/products/ Extended_Warranty for more information on availability. The warranty period starts from the purchase date as stated on your receipt of purchase.