Scalable NAS with SSD cache acceleration capability
Versatile smart storage that helps you consolidate and store your growing digital data.
Manage important data
Share, back up, and access files, photos, surveillance video, and more.
Consolidate and share
Flexibly store and organize 126 TB of data, then share with anyone.
Keep your data safe
Hardware and software engineered to protect your data — trusted by millions.
A capable all-around performer
The versatile DS720+ can serve as a central storage device as well as a multimedia hub.
Versatile and flexible storage
Make the most of high-performance networking and file access without taking up unnecessary space. DS720+ comes equipped with 2 bays and can scale up to 7 bays with the DX517 expansion unit
Performance backed by Synology drives
Leverage high sustained performance and reliability with enterprise-grade drives with built-in data protection designed for Synology systems.
HDD
SSD
Get more with DiskStation Manager
Take advantage of a host of native productivity, management, and security solutions available in the web-based Synology DSM operating system.
Hyper Backup
Store multiple backup versions with block-level incremental data backup and cross-version deduplication.
Snapshot Replication
Schedulable and instantaneous data protection for shared folders and iSCSI LUNs for disaster prevention.
Surveillance Station
Complete surveillance solution for recording, monitoring, and management.
Synology Drive
Instantly access your NAS files across multiple devices whenever you want, wherever you are.
- 1Drive tray
- 2Drive tray lock
- 3Status indicator
- 4Drive status indicator
- 5USB 3.0 port
- 6Power button and indicator
- 7System fan
- 81GbE RJ-45 port
- 9Reset button
- 10eSATA port
- 11Power port
- 12Kensington Security Slot
More ways to harness your NAS
|
Hardware Specifications
|
||
|---|---|---|
|
CPU
|
||
|
CPU
|
CPU Model | Intel Celeron J4125 |
| CPU Quantity | 1 | |
| CPU Cores | 4 | |
| CPU Threads | 4 | |
| CPU Architecture | 64-bit | |
| CPU Frequency | 2.0 (base) / 2.7 (turbo) GHz | |
| Hardware Encryption Engine | ||
|
Memory
|
||
|
Memory
|
System Memory | 2 GB DDR4 non-ECC |
| Total Memory Slots | 1 | |
| Maximum Memory Capacity | 6 GB (2 GB + 4 GB) | |
| Notes |
|
|
|
Storage
|
||
|
Storage
|
Drive Bays | 2 |
| Maximum Drive Bays with Expansion Unit | 7 (DX517 x 1) | |
| M.2 Drive Slots | 2 (NVMe) | |
| Drive Type (See all supported drives) |
|
|
| Hot Swappable Drive* | ||
| Notes | The hot swappable drive feature is not supported by M.2 SSD slots. | |
|
External Ports
|
||
|
External Ports
|
RJ-45 1GbE LAN Port | 2 |
| USB 3.2 Gen 1 Port | 2 | |
| Expansion Port | 1 | |
| Expansion Port Type | eSATA | |
|
Appearance
|
||
|
Appearance
|
Size (Height x Width x Depth) | 166 mm x 106 mm x 223 mm |
| Weight | 1.51 kg | |
|
Others
|
||
|
Others
|
System Fan | 92 mm x 92 mm x 1 pcs |
| Fan Speed Mode |
|
|
| Brightness Adjustable Front LED Indicators | ||
| Power Recovery | ||
| Noise Level* | 18.4 dB(A) | |
| Scheduled Power On / Off | ||
| Wake on LAN / WAN | ||
| Power Supply Unit / Adapter | 65 watts | |
| AC Input Power Voltage | 100V to 240V AC | |
| Power Frequency | 50/60 Hz, Single Phase | |
| Power Consumption |
16.44 watts (Access) 6.19 watts (HDD Hibernation) |
|
| British Thermal Unit |
56.1 BTU/hr (Access) 21.12 BTU/hr (HDD Hibernation) |
|
| Notes |
|
|
|
Temperature
|
||
|
Temperature
|
Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Storage Temperature | -20°C to 60°C (-5°F to 140°F) | |
| Operating Humidity | 8% to 80% RH | |
| Storage Humidity | 5% to 95% RH | |
|
Certification
|
||
|
Certification
|
|
|
|
Warranty
|
||
|
Warranty
|
2 Years | |
| Notes | The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more) | |
|
Environment
|
||
|
Environment
|
RoHS Compliant | |
|
Packaging Content
|
||
|
Packaging Content
|
|
|
|
Optional Accessories
|
||
|
Optional Accessories
|
|
|
| Notes | All memory modules will operate at the maximum frequency specified by the CPU manufacturer. | |
| Compatibility | Synology Compatibility List | |
|
DSM Specifications
|
||
|---|---|---|
| Maximum Single Volume Size | 108 TB | |
| Maximum Internal Volume Number | 64 | |
| SSD Read/Write Cache (Determining cache size) | ||
| SSD TRIM | ||
| Supported RAID Type |
|
|
| RAID Migration |
|
|
| Volume Expansion with Larger HDDs |
|
|
| Volume Expansion by Adding a HDD |
|
|
| Global Hot Spare Supported RAID Type |
|
|
| Notes |
|
|
| Internal Drives |
|
|
| External Drives |
|
|
| File Protocol |
|
|
| Maximum Concurrent SMB/AFP/FTP Connections | 500 | |
| Maximum Concurrent SMB/AFP/FTP Connections (with RAM expansion) | 1,500 | |
| Windows Access Control List (ACL) Integration | ||
| NFS Kerberos Authentication | ||
| Notes |
|
|
| Maximum Local User Accounts | 2,048 | |
| Maximum Local Groups | 256 | |
| Maximum Shared Folder | 512 | |
| Maximum Shared Folder Sync Tasks | 8 | |
| Hybrid Share Folder Number | 10 | |
| Data & Folder Backup | ||
| Entire System Backup | ||
| Notes | Full-system backup requires DSM 7.2 or later. | |
| Synology High Availability | ||
| Syslog Events per Second | 800 | |
|
Virtualization
|
||
|
Virtualization
|
VMware vSphere | 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 |
| Microsoft Hyper-V | Windows Server 2022, Windows Server 2019, Windows Server 2016 | |
| Citrix XenServer | XenServer 8, Citrix Hypervisor 8.2 LTSR CU1 | |
| OpenStack | Cinder | |
| Supported 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 | |
| Notes | For an updated list of supported browser versions, check the DSM Technical Specifications. | |
|
Add-on Packages view the complete package list
|
||
| Maximum Number of Users | 100 | |
| Notes |
|
|
|
Download Station
|
||
|
Download Station
|
Maximum Concurrent Download Tasks | 80 |
| Maximum iSCSI Target Number | 128 | |
| Maximum LUN | 256 | |
| LUN Clone/Snapshot, Windows ODX | ||
| Free Email Accounts | 5 (Additional accounts require purchase of licenses) | |
| Suggested Maximum Users | 100 | |
| Notes |
|
|
| DLNA Compliance | ||
| Facial Recognition | ||
| Object Recognition | ||
| Notes | Object recognition requires an upgrade of memory capacity to a minimum of 4 GB. | |
| Maximum Snapshots per Shared Folder | 512 | |
| Maximum Snapshots per LUN | 128 | |
| Maximum Snapshots per System | 65,536 | |
| Maximum Replication Tasks for Shared Folders | 64 | |
| Default Licenses | 2 (Additional cameras require purchase of licenses) | |
| Maximum IP Cameras and Total FPS (H.264) |
|
|
| Maximum IP Cameras and Total FPS (H.265) |
|
|
| Notes |
|
|
| Recommended Number of Concurrent Sync Clients | 350 | |
| Maximum Number of Hosted Files | 5,000,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above) | |
| Notes |
|
|
| Maximum Number of Users | 1,200 | |
| Notes |
|
|
| Recommended Virtual Machine Instances | 2 (Learn more) | |
| Recommended Virtual DSM Number (Licenses required) | 2 (including 1 Free License) | |
| Notes | The specifications vary depending on system configuration and memory size. | |
| Maximum Connections | 40 | |