Call a Specialist Today! 800-886-5369

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


Expansion Units

Expansion Unit DX1215

Expansion Unit DX1215

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

Expansion Unit DX517

Expansion Unit DX517

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

Expansion Unit DX513

Expansion Unit DX513

  • 4 bays
  • For 2.5" and 3.5" SATA drives
  • Hot-swappable drive tray design
  • 16.5W in HDD Hibernation

Expansion Unit RX2417sas

Expansion Unit RX2417sas

  • 24 bays
  • For 2.5" SAS/SATA drives
  • Online volume expansion
  • Redundant power supply

Expansion Unit RX1217sas

Expansion Unit RX1217sas

  • 12 bays
  • For 2.5" and 3.5" SAS/SATA drives
  • Online volume expansion
  • Redundant power supply

Expansion Unit RX1217 / RX1217RP

Expansion Unit RX1217 / RX1217RP

  • 12 bays
  • For 2.5" and 3.5" SATA drives
  • Online volume expansion
  • Redundant power supply (RP)

Expansion Unit RXD1215sas

Expansion Unit RX1215sas

  • 12 bays
  • For 2.5" and 3.5" SAS drives
  • Online volume expansion
  • Redundant power supply