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Enterprise Grade IT Hardware

DiskStation DS720+

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.

Category: NAS Tags: 2 BAY, DiskStation, DS720+, NAS, Synology

Description

Description

HARDWARE

SOFTWARE

HARDWARE

CPU	CPU Model	Intel Celeron J4125
	CPU Quantity	1
	CPU Architecture	64-bit
	CPU Frequency	4-core 2.0 (base) / 2.7 (burst) GHz
	Hardware Encryption Engine (AES-NI)	✓
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 Single Volume Size*	108 TB
	Hot Swappable Drive	✓
	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. 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 3.2 Gen 1 Port*	2
	eSATA Port	1
	Notes	The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019.
File System	Internal Drives	Btrfs EXT4
	External Drives	Btrfs EXT4 EXT3 FAT NTFS HFS+ exFAT
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	✓
	Power Recovery	✓
	Noise Level*	18.4 dB(A)
	Scheduled Power On / Off	✓
	Wake on LAN / WAN	✓
	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
Certification	FCC CE BSMI EAC CCC KC VCCI RCM
Warranty	3-year hardware warranty
	Notes	The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)
Environment	RoHS Compliant
Packaging Content	Main Unit X 1 Accessory Pack X 1 AC Power Adapter X 1 AC Power Cord X 1 RJ-45 LAN Cable X 2 Quick Installation Guide X 1
Optional Accessories	DDR4 non-ECC SODIMM: D4NESO-2666-4G Expansion Units: DX517 3.5″ SATA HDD: HAT5300 2.5″ SATA SSD: SAT5200 M.2 2280 NVMe SSD: SNV3400 VisualStation: VS960HD/VS360HD Surveillance Device License Pack
	Notes	All memory modules will operate at the maximum frequency specified by the CPU manufacturer.

SOFTWARE

DSM Specifications
Storage Management	Maximum Internal Volume Number	64
	SSD Read / Write Cache (White Paper)	✓
	SSD TRIM	✓
	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	SMB/AFP/NFS/FTP/WebDAV
	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	Regarding data concerning tests with RAM expansion, all memory slots are installed with the maximum capacity of supported RAM. The testing standard was based on the maximum number of concurrent connections supported by this model. During the testing, 25% of the connections were used to transfer files concurrently. The transfer process guaranteed that the connections were not interrupted; the minimum transfer speed was not guaranteed.
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	✓
Log Center	Syslog Events per Second	800
Virtualization	VMware vSphere with VAAI	✓
	Windows Server 2016	✓
	Windows Server 2019	✓
	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	Google Chrome Firefox Microsoft Edge Safari
	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
Antivirus by McAfee (Trial)	✓
Central Management System	✓
Synology Chat	Maximum Users	1,500
	Notes	The number of concurrent HTTP connections for Synology Chat was configured to the maximum. For tested models with expandable memory, the maximum amount of RAM was installed.
Document Viewer	✓
Download Station	Maximum Concurrent Download Tasks	80
SAN Manager	Maximum iSCSI Target Number	128
	Maximum LUN	256
	LUN Clone/Snapshot, Windows ODX	✓
	Notes	iSCSI Manager has been renamed to SAN Manager in DSM 7.0.
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	Models with 2 bays and dual M.2 drive slots were installed with two SSDs for SSD cache. For tested models with expandable memory, the maximum amount of RAM was 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	✓
Synology Photos	Facial Recognition	✓
	Notes	Photo Station and Synology Moments are succeeded by Synology Photos in DSM 7.0. For a features comparison, check this article.
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 (1280×720) 800 FPS @ 1080p (1920×1080) 350 FPS @ 3M (2048×1536) 280 FPS @ 5M (2591×1944) 170 FPS @ 4K (3840×2160)
	Total FPS (H.265)	1200 FPS @ 720p (1280×720) 1200 FPS @ 1080p (1920×1080) 600 FPS @ 3M (2048×1536) 480 FPS @ 5M (2591×1944) 200 FPS @ 4K (3840×2160)
	Total FPS (MJPEG)	450 FPS @ 720p (1280×720) 250 FPS @ 1080p (1920×1080) 200 FPS @ 3M (2048×1536) 100 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	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)
	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	Exceeding the recommended numbers above will not block application operations, but may result in longer response time. Utilizing SSD cache can significantly improve performance. For tested models with expandable memory, the maximum amount of RAM was installed. Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.
Synology Office	Maximum Users	1,200
	Notes	Multiple files were opened for testing and each file was edited by 30 users simultaneously. 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
Virtual Machine Manager	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.
VPN Server	Maximum Connections	30

DiskStation DS720+

Scalable NAS with SSD cache acceleration capability

Description

CPU

Memory

Storage

External Ports

File System

Appearance

Others

Temperature

Certification

Warranty

Environment

Packaging Content

Optional Accessories

DSM Specifications

Virtualization

Add-on Packages view the complete package list

Antivirus by McAfee (Trial)

Document Viewer

Download Station

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