Synology DiskStation DS720+ 2-Bay Celeron J4125 2.0GHz 4-core Network Attached

Synology DiskStation DS720+ 2-Bay Expand to 7 Bays, 3.5"/2.5" SATA HDD ; 2.5"/M.2 2280 NVMe SSD, Intel Celeron J4125 4-core 2.0 (base) / 2.7 (burst) GHz 64-Bit, 2 GB DDR4 non-ECC RAM Expand to 6GB, 2x RJ-45 1GbE LAN Port, 2x USB 3.0, 1x eSATA, 32.0TB Maximum Capacity

Features:

Scalable NAS with SSD cache acceleration capability
Synology DS720+ is a compact network-attached storage solution to streamline data and multimedia management. 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.

Optimize performance and capacity
DS720+ 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.

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.
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 as scheduled 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.

Seamless integration with your mobile devices
Synology mobile applications are designed to allow quick and secure access to your data wherever you are.

Multimedia
Complete multimedia solution for management, streaming, and playback.

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
A versatile solution for file management and synchronization.

Specifications:

Hardware Details
CPU Model Intel Celeron J4125
CPU Architecture 64-bit
CPU Frequency 4-core 2.0 (base) / 2.7 (burst) GHz
Hardware Encryption Engine (AES-NI) Yes
Memory
System Memory 2 GB DDR4 non-ECC
Total Memory Slots 1
Maximum Memory Capacity 6 GB (2 GB + 4 GB)
Notes Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion.
Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance.
Storage
Drive Bays 2
Maximum Drive Bays with Expansion Unit 7 (DX517 x 1)
M.2 Drive Slots 2 (NVMe)
Compatible Drive Type* (See all supported drives) 3.5" SATA HDD
2.5" SATA HDD
2.5" SATA SSD
M.2 2280 NVMe SSD
Maximum Internal Raw Capacity 32 TB (16 TB drive x 2) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units 112 TB (32 TB + 16 TB drive x 5) (Capacity may vary by RAID types)
Maximum Single Volume Size 108 TB
Hot Swappable Drive Yes
Notes "Compatible drive type" indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay.
The maximum raw capacity is not limited by the maximum single volume size. Synology NAS models may utilize capacities over the maximum single volume size as long as each volume created is below the limit. (Learn more)
Each internal volume (may consist of multiple drives) is expandable up to 108TB.
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 Btrfs
EXT4
External Drives Btrfs
EXT4
EXT3
FAT
NTFS
HFS+
exFAT
Notes exFAT Access is purchased separately in Package Center.
Appearance
Size (Height x Width x Depth) 166 mm x 106 mm x 223 mm
Weight 1.51 kg
Others
System Fan 92 mm x 92 mm x 1 pcs
Fan Speed Mode Full-Speed Mode
Cool Mode
Quiet Mode
Brightness Adjustable Front LED Indicators Yes
Power Recovery Yes
Noise Level 18.4 dB(A)
Scheduled Power On / Off Yes
Wake on LAN / WAN Yes
Power Supply Unit / Adapter 65 W
AC Input Power Voltage 100 V to 240 V AC
Power Frequency 50/60 Hz, Single Phase
Power Consumption 16.44 W (Access)
6.19 W (HDD Hibernation)
British Thermal Unit 56.1 BTU/hr (Access)
21.12 BTU/hr (HDD Hibernation)
Notes Power consumption is measured when it is fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75°C; Humidity: 58.2-61.8%
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)
Relative Humidity 5% to 95% RH
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 Synology Hybrid RAID
Basic
JBOD
RAID 0
RAID 1
RAID 5 (with Expansion Unit)
RAID 6 (with Expansion Unit)
RAID 10 (with Expansion Unit)
RAID Migration Basic to RAID 1
Basic to RAID 5 (with Expansion Unit)
RAID 1 to RAID 5 (with Expansion Unit)
RAID 5 to RAID 6 (with Expansion Unit)
Volume Expansion with Larger HDDs Synology Hybrid RAID
RAID 1
RAID 5 (with Expansion Unit)
RAID 6 (with Expansion Unit)
RAID 10 (with Expansion Unit)
Volume Expansion by Adding a HDD Synology Hybrid RAID
JBOD (with Expansion Unit)
RAID 5 (with Expansion Unit)
RAID 6 (with Expansion Unit)
Global Hot Spare Supported RAID Type Synology Hybrid RAID
RAID 1 (with Expansion Unit)
RAID 5 (with Expansion Unit)
RAID 6 (with Expansion Unit)
RAID 10 (with Expansion Unit)
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 800
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, Espanol, Dansk, Norsk, Svenska, Nederlands, Russian Polski, Magyar, Portugues do Brasil, Portugues Europeu and more...
Add-on Packages
Antivirus by McAfee (Trial) Yes
Central Management System Yes
Synology Chat
Maximum Users 1, 500
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
Document Viewer Yes
Download Station
Maximum Concurrent Download Tasks 80
exFAT Access
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 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) 40 (including 2 Free License)
Total FPS (H.264) 1200 FPS @ 720p (1280x720)
800 FPS @ 1080p (1920x1080)
350 FPS @ 3M (2048x1536)
280 FPS @ 5M (2591x1944)
170 FPS @ 4K (3840x2160)
Total FPS (H.265) 1200 FPS @ 720p (1280x720)
1200 FPS @ 1080p (1920x1080)
600 FPS @ 3M (2048x1536)
480 FPS @ 5M (2591x1944)
200 FPS @ 4K (3840x2160)
Total FPS (MJPEG) 450 FPS @ 720p (1280x720)
250 FPS @ 1080p (1920x1080)
200 FPS @ 3M (2048x1536)
100 FPS @ 5M (2591x1944)
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 3, 400
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
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