Seamless 12-bay capacity expansion
Add up to 96 storage bays to compatible units with Synology Expansion Unit RX1223RP. Enlarge or create new volumes without system or service downtime thanks to online storage expansion.

Expand storage on the fly
RX1223RP provides simple storage expansion with 12 drive bays for 3.5”/2.5” SATA HDD/SDD drives.

Up to eight RX1223RP expansion units can be added to compatible serves for up to 1.7 petabytes of additional raw storage.

Redundant design for high reliability
Modular drive trays and system fans enable easy and quick replacement, reducing the impact of maintenance on service availability. Redundant power supply units keep your data online in the event one power source fails.

Simple deployment and management
Plug-and-play design means the RX1223RP is ready to use as soon as it is connected to a host device.

Online storage expansion and easy storage management in Synology DiskStation Manager’s (DSM) simplify configuration and management.

Backed by Synology drives
Leverage high sustained performance and reliability with enterprise-grade drives with built-in data protection designed for Synology systems.

Weight & dimensions
Width	430.5 mm
Depth	692 mm
Height	88 mm
Weight	13.9 kg
Power
Power source type	AC
AC adapter input voltage	100 - 240 V
AC adapter frequency	50/60 Hz
Power consumption (max)	550 W
Operational conditions
Operating temperature (T-T)	0 - 35 °C
Storage temperature (T-T)	-20 - 60 °C
Operating relative humidity (H-H)	5 - 95%
Storage
Storage drive size	2.5/3.5"
Supported storage drive interfaces	Serial ATA
Number of storage drives supported	12
Hot-swap	Yes
Design
Product type	HDD/SSD enclosure
Product colour	Black