Synology DS1621+ User Manual

Synology NAS DS1621+

Hardware Installation Guide

Table of Contents

Chapter 1: Before You Start

Package Contents 3
Synology DS1621+ at a Glance 4
LED Indicator Table 5
Hardware Specication 6
Optional Accessories 7
Spare Parts 8
Safety Instructions 9

Chapter 2: Hardware Setup

Tools and Parts for Component Installation 10
Install Drives 10
Start Up Your Synology NAS 12
Add a Memory Module to Synology NAS 13
Add an M.2 NVMe SSD to Synology NAS 15
Add a Network Interface Card 16

Chapter 3: System Maintenance

Replace System Fan 17
Initial Troubleshooting Guide 20

Chapter 4: Install DSM on Synology NAS

Install DSM with Web Assistant 21
Learn More 21

Synology_HIG_DS1621+_20200622

2

Chapter

Before You Start

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

RJ-45 LAN cable x 2

1

Hard drive tray key x 2

Screws for 2.5" drives x 28

3

3

Synology DS1621+ at a Glance

6

1

2

8

119

10

12

4

3

5

7

13 14 15 16

No. Article Name Location Description

1

2

3

4

5

Status Indicator

Alert Indicator

Power Button

LAN Indicator

Drive Status Indicator

Front

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

Displays warnings regarding fan or temperature. For more
information, see "LED Indicator Table".

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.

Displays the status of the network connection. For more
information, see "LED Indicator Table".

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

6

7

8

9

10

11

12

13

14

15

16

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

USB 3.0 Port

Drive Tray Lock Lock or unlock drive trays.

Power Port

Fan

PCI Express

Expansion Slot

Kensington Security Slot Attach a Kensington security lock here.

USB 3.0 Port

Rear

LAN Port Connect RJ-45 network cable here.

RESET Button

eSATA Port Connect Synology Expansion Unit1 to the Synology NAS here.

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

Connect power cord here.

Disposes of excess heat and cools the system. If the fan
malfunctions, the Synology NAS will emit a beeping sound.

Supports one PCIe x8 slots (x4 link) add-on card.

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

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

admin

1

For more information about Synology Expansion Unit supported by your Synology NAS, please visit

4 Chapter 1: Before You Start

www.synology.com

.

LED Indicator Table

LED Indicator Color Status Description

Green Static Volume normal

Volume degraded/Volume crashed

STATUS

Disk Status Indicator

(on tray)

Power

ALERT

Front LAN

Orange Blinking

Volume not created

DSM not installed

O󰀨 HDD hibernation

Static Drive ready and idle

Green

Blinking Accessing drive

Orange Static Drive error/Port disabled

1

O󰀨 No internal drive

Static Powered on

Blue

Blinking Booting up/Shutting down

O󰀨 Powered o󰀨

Orange Blinking Fan failure/Over temperature

O󰀨 System normal

Static Network connected

Green

Blinking Network active

O󰀨 No network

Static Network connected

Rear 1GbE LAN

(on left side of jack)

Green

Blinking Network active

O󰀨 No network

Rear 1GbE LAN

(on right side of jack)

Green

Static

Orange 100 Mbps connection

1 Gbps connection

O󰀨 10 Mbps connection/No network

Note:

Model specications are subject to change without notice. Please refer to

1

Please 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.

www.synology.com

for the latest information.

5 Chapter 1: Before You Start

Hardware Specication

Item DS1621+

Compatible Drive Type

Maximum Internal Raw Capacity

External Port

• 256 TB with 2 x DX517 (expansion unit)

• 3.5"/2.5" SATA x 6

• M.2 2280 NVMe SSD x 2

• 96 TB (6 x 16 TB HDD)

• USB 3.0 x 3

• eSATA x 2

LAN Port 1GbE (RJ-45) x 4

PCIe Slot Gen3 x8 slot (x4 link) x 1

Size (H x W x D) (mm) 166 x 282 x 243

Weight (kg) 5.1

Supported Client

File System

Supported RAID Type

Agency Certication

• External: Btrfs, ext4, ext3, FAT32, NTFS, HFS+, exFAT

• FCC Class B • CE Class B • BSMI Class B

• EAC • VCCI • CCC • RCM • RoHS Compliant

• Windows 7 onwards

• macOS 10.12 onwards

• Internal: Btrfs, ext4

• Basic • JBOD • RAID 0 • RAID 1

• RAID 5 • RAID 6 • RAID 10

HDD Hibernation Yes

1

Scheduled Power On/O󰀨 Yes

Wake on LAN Yes

Language Localization

• Line voltage: 100 V to 240 V AC

Environment Requirement

• 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

• Frequency: 50/60 Hz

for the latest information.

1

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

6 Chapter 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

Memory Module

•

Model Name Picture Description

www.synology.com/compatibility

for more information.

D4ES01-4G

D4ES01-8G

D4ECSO-2666-16G

PCIe Add-in Card

•

Model Name Picture Description

E10G17-F2

4GB DDR4 ECC Unbu󰀨ered

SODIMM

8GB DDR4 ECC Unbu󰀨ered

SODIMM

16GB DDR4 ECC Unbu󰀨ered

SODIMM

Dual-port, 10GbE SFP+

network interface card

E10G18-T1

E10G18-T2

Expansion Unit

•

Model Name Picture Description

DX517

Note:

Your Synology NAS supports up to two expansion units.

Single-port, 10GbE RJ-45

network interface card

Dual-port, 10GbE RJ-45

network interface card

5-bay

2.5"/3.5" SATA expansion

7 Chapter 1: Before You Start

Spare Parts

www.synology.com/products/spare_parts

Visit
units.

Model Name Picture Description

Disk Tray (Type D6) 3.5"/2.5" Drive Tray With Lock

Fan 92*25_3 System Fan 92*92*25 mm

PSU 250W_5 PSU 250W 24p+12p+8p

if you need to replace system fans, disk trays, or power supply

8 Chapter 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 Chapter 1: Before You Start