Accessories | Synology Inc.

To ensure compatibility with your system, please refer to the compatibility list and spare parts page.

Expansion units

Add extra drive bays to your storage with compatible expansion units. To find drives and accessories for expansion units, go to Expansion units.

FX2421

Designed for Synology FlashStation
Online volume expansion
Redundant power supply

RX6025sas

60 x 3.5'' SAS HDD
Online storage expansion
Redundant power supply

RX1225RP

For 2.5” and 3.5” SATA drives
Online storage expansion
Redundant power supply

RX1223RP

For 2.5” and 3.5” SATA drives
Online storage expansion
Redundant power supply

RX1222sas

For 2.5” and 3.5” SAS/SATA drives
Online volume expansion
Redundant power supply

RXD1219sas

For 2.5” and 3.5” SAS drives
Online volume expansion
Redundant power supply

RX1217RP

For 2.5” and 3.5” SATA drives
Online volume expansion
Redundant power supply (RP)

RX1217

For 2.5” and 3.5” SATA drives
Online volume expansion
Redundant power supply (RP)

RX418

For 2.5” and 3.5” SATA drives
Online volume expansion
12-inch depth chassis design

DX1222

For 2.5" and 3.5" SATA drives
Online volume expansion
16.25 W in HDD Hibernation

DX1215II

For 2.5” and 3.5” SATA drives
Online volume expansion
21.71W in HDD Hibernation

DX525

For 2.5" and 3.5" SATA drives
Online volume expansion
7.0 W in HDD Hibernation

DX517

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