Synology NAS DS420+ Handbuch
Synology NAS DS420+
Hardware Installation Guide
Table of Contents
Chapter 1: Before You Start
Package Contents 3
Synology DS420+ at a Glance 4
LED Indicator Table 5
Hardware Specication 6
Optional Accessories 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 to Synology NAS 12
Add an M.2 NVMe SSD to Synology NAS 14
Chapter 3: System Maintenance
Initial Troubleshooting Guide 15
Chapter 4: Install DSM on Synology NAS
Install DSM with Web Assistant 16
Learn More 16
2
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 dier from the actual product.
Package Contents
Main unit x 1 AC power cord x 1
AC power adapter x 1
Screws for 2.5" drives x 18 Hard drive tray key x 2 RJ-45 LAN cable x 2
Before You Start 1
Chapter
3
3
4Chapter 1: Before You Start
Synology DS420+ at a Glance
No. Article Name Location Description
1 Status Indicator
Front
Displays the status of the system. For more information, see "LED
Indicator Table."
2 Drive Status Indicator Displays the status of each drive. For more information, see "LED
Indicator Table."
3 Drive Tray Lock Lock or unlock drive trays.
4 USB 3.0 Port Connect external drives or other USB devices to the Synology NAS here.
5 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.
6 Drive Tray Install drives (hard disk drives or solid state drives) here.
7 LAN Port
Rear
Connect network cable here.
8 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.
9 USB 3.0 Port Connect external drives or other USB devices to the Synology NAS here.
10 Power Port Connect power cords here.
11 Fan Disposes of excess heat and cools the system. If the fan malfunctions,
the Synology NAS will emit a beeping sound.
12 Kensington Security Slot Attach a Kensington security lock here.
1
2
4
5
3
9
8
7
10
11
6
12
5Chapter 1: Before You Start
LED Indicator Table
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 1-4
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 1 Gbps 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.
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 sign in to 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
Hardware Specication
Item DS420+
Compatible Drive Type • 3.5"/2.5" SATA x 4
• M.2 2280 NVMe SSD x 2
Maximum Internal Raw Capacity 64TB (4 x16TB HDD)
External Port USB 3.0 x 2
LAN Port 1GbE (RJ-45) x 2
Size (H x W x D) (mm) 166 x 199 x 223
Weight (kg) 2.18
Supported Client • Windows 7 and 10
• Mac OS X 10.11 onward
File System • Internal: Btrfs, ext4
• External: Btrfs, ext4, ext3, FAT, NTFS, HFS+, exFAT1
Supported RAID Type
• Basic • JBOD • RAID 0 • RAID 1
• RAID 5 • RAID 6 • RAID 10
• Synology Hybrid RAID (2-Disk Fault Tolerance)
Agency Certication • 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 Requirement
• 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 specications are subject to change without notice. Please refer to www.synology.com for the latest information.
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 dierent 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 unbuered
SO-DIMM 4GB
Spare Part
Visit www.synology.com/products/spare_parts if you need to replace system fans, disk trays, or power supply
units.
Model Name Picture Description
Disk Tray (Type D9) 3.5"/2.5" HDD Tray With Lock
Fan 92*92*25_1 System Fan 92*92*25 mm
Adapter 90W_1 Adapter 90W Level VI
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.
9
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.
1 2 34
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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