User's Manual
Table Of Contents
Table of Contents
Chapter 1: Before You Start
Package Contents 3
Synology DS1621xs+ at a Glance 4
LED Indicator Table 5
Hardware Speciîš¿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
Chapter 3: System Maintenance
Replace System Fan 16
Initial Troubleshooting Guide 19
Chapter 4: Install DSM on Synology NAS
Install DSM with Web Assistant 20
Learn More 20
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