SYNOLOGY 

Synology NAS RX1225RP 12Bay 2U Expansion Unit RX1225 Diskless Retail

Mfg Part Number:  RX1225RP  
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Price: $2,815.49
Quantity:
In Stock: 6
Last Updated: Sep 12, 2026
No Sales Tax except these states
, PO and Wire.

Seamless 12-bay capacity expansion

Add 12 additional storage bays to compatible RackStation systems with a single RX1225RP without system or service downtime.

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

Get up and running without delay thanks to RX1225RP's plug-and-play design. Easily expand and manage your storage using the intuitive Storage Manager in Synology DiskStation Manager.

Performance backed by Synology drives

Designed for Synology systems, Synology drives deliver consistent performance and unmatched reliability for your deployments.

Hard drives designed for Synology

See how Synology hard drives deliver reliability, consistent performance, and simplified system management through deep hardware-software integration.

Synology has you covered

The RX1225RP is backed by Synology's 5-year limited warranty, including technical support and hardware replacement services to maximize your return on investment and ensure continued high-quality performance.

Main Specification
General Information
Manufacturer Synology, Inc
Manufacturer Part Number RX1225RP
Manufacturer Website Address http://www.synology.com
Brand Name Synology
Product Model RX1225RP
Product Name Expansion Unit RX1225RP
Packaged Quantity 1 Unit
Product Type Drive Enclosure
Technical Information
Number of Hard Drives Supported 12
Number of Hard Drives Installed 0
Number of Solid State Drive Supported 12
Number of Solid State Drive Installed 0
I/O Expansions
Number of Total Expansion Bays 12
Number of 2.5"/3.5" Bays 12
Hot Swappable Bays Yes
Interfaces/Ports
Drive Interface SATA
Physical Characteristics
Cooling Fan Yes
Form Factor Rack-mountable
Height 3.5"
Width 19"
Depth 28.5"
Weight (Approximate) 30.64 lb
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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