User's Manual

7
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 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
Disk Tray (Type D9) 3.5"/2.5" HDD Tray With Lock
Fan 92*92*25_1 System Fan 92*92*25 mm
Adapter 100W_2 Adapter 100W Level VI