Expansion

Running out of space? Scale up your storage with additional expansion units.

DX517

5 bays
  • For 2.5” and 3.5” SATA drives
  • Hot-swappable drive tray design
  • 2.4W in HDD Hibernation

DX1215

12 bays
  • For 2.5” and 3.5” SATA drives
  • Hot-swappable drive tray design
  • 21.71W in HDD Hibernation

RX418

4 bays
  • For 2.5” and 3.5” SATA drives
  • Online volume expansion
  • 12-inch depth chassis design
Why Synology?
Find out from our customers.
View all customer stories

Holiday Inn Riyadh

"With Synology NAS in our organization, we don't have to worry about hotel surveillance at all."

Premium Automobiles

"Surveillance Station is simply so feature rich and its performances exceed our expectations."

Jetstar Pacific Airlines

"We are very satisfied with Synology products, and especially with the Hyper Backup package that provides a cost-effective backup solution which can..."

Unilever

“Through the use of Synology’s products, we have found an excellent solution which eliminates the problems that prevailed with the previous system."