Synology RXD1215sas scalable SAS storage LEBANON
Synology scalable SAS storage expansion unit / 2U - 12-bay
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Synology scalable SAS storage expansion unit / 2U – 12-bay LEBANON

Synology scalable SAS storage expansion unit / 2U – 12-bay
Compatible Drive Type: 3.5” or 2.5” SAS
Power Consumption: 248 W (Access) 90 W (HDD Hibernation)
Size (Height x Width x Depth): 88mm x 430.5mm x 692mm
Weight: 18 kg
5-year hardware warranty


Massive scalability up to 180 drives
Up to fifteen RXD1215sas can be connected to the dual RC18015xs+ computing nodes, accommodating massive scalability up to 180 drives and maximum raw storage beyond 1PB. The shared storage architecture eliminates the need for data replication over the network, in addition to drastically reducing deployment costs.

Hardware Specifications
Applied Models
Supports creating volumes across different units RC18015xs+
Notes To have better performance, we recommend creating storage volumes physically located within the same NAS or Expansion Unit, rather than creating volumes across your NAS and Expansion Unit.
Drive Bays 12
Compatible Drive Type* (See all supported drives)
2.5” dual-port SAS SSD
2.5” dual-port SAS HDD
3.5” dual-port SAS HDD
Hot Swappable Drive* Yes
RAID Management through Synology DSM Yes
Notes Synology only guarantees full functionality, reliability, and performance for Synology drives listed on the compatibility list. The use of non-validated components may limit certain functionality and result in data loss and system instability.
External Ports
SAS IN-port 2
SAS OUT-port 2
Size (Height x Width x Depth) 88 mm x 430.5 mm x 692 mm
Size (Height x Width x Depth) (with server ears) 88 mm x 482 mm x 724 mm
Weight 18 kg
Rack Installation Support* 4-post 19″ rack (Synology Rail Kit – RKS-02)
Notes The rail kit is sold separately
Power Recovery Synchronized with the Synology RackStation
Power Supply Unit / Adapter 500 W
AC Input Power Voltage 100V to 240V AC
Power Frequency 50/60 Hz, Single Phase
Power Consumption 248 W (Access)
90 W (HDD Hibernation)
British Thermal Unit 846.21 BTU/hr (Access)
307.09 BTU/hr (HDD Hibernation)
Operating Temperature 5°C to 35°C (40°F to 95°F)
Storage Temperature -20°C to 60°C (-5°F to 140°F)
Relative Humidity 5% to 95% RH
System Fan 60 mm x 60 mm x 4 pcs
Easy Replacement System Fan Yes
Noise Level* 48 dB(A)
5 Years
Notes The warranty period starts from the purchase date as stated on your purchase receipt.
Environment & Packaging
RoHS Compliant
Packaging Content
Main Unit X 1
Accessory Pack X 1
AC Power Cord X 2
Expansion Cable: MiniSAS X 2
Quick Installation Guide X 1
Optional Accessories
Rail Kit Sliding: RKS-02