Synology NAS DS720+ Manual

Synology NAS DS720+

Hardware Installation Guide

Table of Contents

Chapter 1: Before You Start

Package Contents 3

Synology DS720+ at a Glance 4

LED Indicator Table 5

Hardware Specications 6

Optional Accessories 7

Spare Parts 7

Safety Instructions 8

Chapter 2: Hardware Setup

Tools and Parts for Component Installation 9

Install Drives 9

Start Up Your Synology NAS 11

Add a Memory Module on Synology NAS 12

Add an M.2 NVMe SSD to Synology NAS 13

Chapter 3: System Maintenance

Initial Troubleshooting Guide 15

Chapter 4: Install DSM on Synology NAS

Install DSM with Web Assistant 16

Learn More 16

Synology_HIG_DS720+_20200204

Thank you for purchasing this Synology product! Before setting up your new Synology NAS, please check the

package contents to verify that you have received the items below. Also, make sure to read the safety instructions

carefully to avoid harming yourself or damaging your Synology NAS.

Note: All images below are for illustrative purposes only, and may di󰀨er from the actual product.

Package Contents

Main unit x 1 AC power cord x 1

AC power adapter x 1

Screws for 2.5"hard drives x 10 Hard drive tray key x 2 RJ-45 LAN cable x 2

Before You Start 1

Chapter

4Chapter 1: Before You Start

Synology DS720+ at a Glance

259

No. Article Name Location Description

1 Drive Tray

Front

Install drives (hard disk drives or solid state drives) here.

2 Drive Tray Lock Lock or unlock drive trays.

3 Status Indicator Displays the status of the system. For more information, see "LED Indicator

Table".

4 Drive Status

Indicator

Displays the status of each drive. For more information, see "LED Indicator

Table".

5 USB 3.0 Port Connect external drives or other USB devices to the Synology NAS here.

6 Power Button

1. Press to power on your Synology NAS.

2. To power o󰀨 your Synology NAS, press and hold until you hear a beep

sound and the Power LED starts blinking.

7 Fan

Rear

Disposes of excess heat and cools the system. If the fan malfunctions, the

Synology NAS will emit a beeping sound.

8 LAN Port Connect a network cable here.

9 RESET Button

1. Press and hold until you hear a beep sound to restore the IP address,

DNS server, and password for the admin account to default.

2. Press and hold until you hear a beep, then press and hold again until you

hear three beeps to return the Synology NAS to “Not Installed” status so

that DiskStation Manager (DSM) can be reinstalled.

10 eSATA Port Connect external SATA drives or Synology Expansion Unit1to the

Synology NAS here.

11 Power Port Connect power cord here.

12 Kensington

Security Slot Attach a Kensington security lock here.

13 USB 3.0 Port Connect external drives or other USB devices to the Synology NAS here.

1For more information about Synology Expansion Unit supported by your Synology NAS, please visit www.synology.com.

5Chapter 1: Before You Start

LED Indicator Color Status Description

STATUS

Green Static Volume normal

Orange Blinking

Volume degraded/Volume crashed

Volume not created

DSM not installed

O󰀨 HDD hibernation

Disk 1-2

Green

Static Drive ready and idle

Blinking Accessing drive

Orange Static Drive error/Port disabled1

O󰀨 No internal drive/Advanced HDD hibernation

Power

Blue

Static Powered on

Blinking Booting up/Shutting down

O󰀨 Powered o󰀨

Rear LAN

(on upper side of jack)

Green

Static Network connected

Blinking Network active

O󰀨 No network

Rear LAN

(on lower side of jack)

Green Static Gigabit connection

Orange Static 100 Mbps connection

O󰀨 10 Mbps connection/No network

Note: This table is applicable to Synology NAS running DSM 6.2.3 and earlier. For DSM 6.2.4 and above, please refer to this article for

the latest information.

LED Indicator Table

Appendix

1Please try to restart your Synology NAS or re-insert the drives, then run the HDD/SSD manufacturer's diagnostic tool to check the health

status of the drives. If you can log into DSM, please run the built-in S.M.A.R.T. test to scan the drives. If the problem remains unresolved,

please contact Synology Technical Support for help.

6Chapter 1: Before You Start

Item DS720+

Compatible Drive Type • 3.5"/2.5" SATA x 2

• M.2 2280 NVMe SSD x 2

Maximum Internal Raw Capacity 32 TB (2 X 16 TB HDD)

External Port • USB 3.0 x 2

• eSATA x 1

LAN Ports 1GbE (RJ-45) x 2

Size (H x W x D) (mm) 166 x 106 x 223

Weight (kg) 1.51

Supported Client • Windows 7 and 10

• Mac OS X 10.11 onward

File Systems • Internal: Btrfs, ext4

• External: Btrfs, ext4, ext3, FAT, NTFS, HFS+, exFAT1

Supported RAID Types • Basic • JBOD • RAID 0 • RAID 1

• Synology Hybrid Raid (1-Disk Fault Tolerance)

Agency Certications • FCC Class B • CE Class B • BSMI Class B

• EAC • VCCI • CCC • RCM • RoHS Compliant

HDD Hibernation Yes

Scheduled Power On/O󰀨 Yes

Wake on LAN Yes

Language Localization

Environment Requirements

• Line voltage: 100 V to 240 V AC

• Frequency: 50/60 Hz

• Operating Temperature: 32 to 104˚F (0 to 40˚C)

• Storage Temperature: -5 to 140˚F (-20 to 60˚C)

• Relative Humidity: 5% to 95% RH

Note: Model specications are subject to change without notice. Please refer to www.synology.com for the latest information.

Hardware Specications

1Support for exFAT can be enabled by purchasing and downloading exFAT Access in Package Center.

7Chapter 1: Before You Start

Optional Accessories

With Synology accessories, you can customize your Synology NAS to t di󰀨erent business environments without

worrying about compatibility and stability. Visit www.synology.com/compatibility for more information.

•Memory Module

Model Name Picture Description

D4NESO-2666-4G DDR4 non-ECC unbu󰀨ered

SO-DIMM 4GB

Spare Parts

Visit www.synology.com/products/spare_parts if you need to replace system fans, disk trays, or power supply

units.

Model Name Picture Description

Adapter 65W_2 Adapter 65W Level VI

Disk Tray (Type D9) 3.5"/2.5" HDD Tray With Locker

Fan 92*92*25_1 System Fan 92*92*25 mm

8Chapter 1: Before You Start

Safety Instructions

Keep away from direct sunlight and from chemicals. Make sure the environment does not experience

abrupt changes in temperature or humidity.

Place the product right side up at all times.

Do not place near any liquids.

Before cleaning, unplug the power cord. Wipe with damp paper towels. Do not use chemical or

aerosol cleaners.

To prevent the unit from falling over, do not place on carts or any unstable surfaces.

The power cord must plug in to the correct supply voltage. Make sure that the supplied AC voltage is

correct and stable.

To remove all electric current from the device, ensure that all power cords are disconnected from the

power source.

Risk of explosion if battery is replaced with an incorrect type. Dispose of used batteries appropriately.

Tools and Parts for Component Installation

Please prepare the following tools and parts before setting up your Synology NAS:

• A screwdriver (only for 2.5" drives)

• At least one 3.5" or 2.5" SATA drive (please visit www.synology.com/compatibility for compatible drive

models)

Warning: If you install a drive that contains data, the system will format the drive and erase all existing data.

Please back up any important data before installation.

Install Drives

1 To remove the drive tray, pull on the circled area in the indicated direction as shown in the image below.

2 Load drives in the drive trays.

• For 3.5" drives: Remove the fastening panels from the sides of the drive tray. Place the drive in the drive

tray. Then insert the fastening panels to secure the drive in place.

• For 2.5" drives: Remove the fastening panels from the sides of the drive tray and store them in a safe

place. Place the drive in the area of the drive tray indicated by a blue rectangle below. Turn the tray upside

down and tighten the screws to secure the drive in place.

Hardware Setup 2

Chapter

10 Chapter 2: Hardware Setup

3 Insert the loaded drive tray into the empty drive bay and push it back until you hear a click when the tray is

locked into place.

4 Repeat the steps above to install the other drives you have prepared.

5 Drives are numbered as shown below.

Note: If you plan to create a RAID volume, we recommend installing drives of identical size to make the best

use of drive capacity.

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