7
Chapter 1: Before You Start
Optional Accessories
With Synology accessories, you can customize your Synology NAS to fit different business environments without
worrying about compatibility and stability. Visit
www.synology.com/compatibility
for more information.
• Memory Module
Model Name
Picture
Description
D4ES01-8G
8GB DDR4 ECC
Unbuffered SODIMM
D4ECSO-2666-16G
16GB DDR4 ECC
Unbuffered SODIMM
• PCIe Add-in Card
Model Name
Picture
Description
E10G17-F2
Dual-port, 10GbE SFP+
network interface card
E10G18-T1
Single-port, 10GbE RJ-45
network interface card
E10G18-T2
Dual-port, 10GbE RJ-45
network interface card
• Expansion Unit
Model Name
Picture
Description
DX517
5-bay
2.5"/3.5" SATA expansion
Note:
Your Synology NAS supports up to two expansion units.
