Synology DX1215II 12-Bay Expansion Unit, 12 x 3.5″ or 2.5″ SATA Drive Bays, Supports Hard Drives & SSDs, Optimized for Synology Drives, For Select Synology DiskStation Servers, Black | DX1215II

The DX1215II 12-Bay Expansion Unit from Synology allows for maximum storage scalability while taking up minimal space on your desktop. The DX1215II provides an additional 12 drive bays that support SATA 3.5″ hard drives, as well as 2.5″ hard drives and solid-state drives.
Key Features
For Select Synology DiskStation Servers
12 x 3.5″ or 2.5″ SATA Drive Bays
Supports Hard Drives and SSDs
Seamless Storage Expansion
Plug-and-Play Design
Optimized for Use with Synology Drives
Specifications
Applied Models
Supports creating volumes across different units
FS series:FS1018
19 series:DS2419+, DS2419+II
18 series:DS3018xs
17 series:DS3617xs, DS3617xsII
15 series:DS3615xs, DS2415+, DS2015xs
13 series:DS2413+
12 series:DS3612xs
11 series:DS3611xs, DS2411+
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.
DSM version requirement: 6.2.4-25556 or later version.
Storage
Drive Bays
12
Compatible Drive Type* (See all supported drives)
3.5″ SATA HDD
2.5″ SATA HDD
2.5″ SATA SSD
Hot Swappable Drive*
RAID Management through Synology DSM
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
Expansion Port
1
Appearance
Size (Height x Width x Depth)
270 mm x 300 mm x 340 mm
Weight
9.02 kg
Power
Power Recovery
Synchronized with the Synology DiskStation
Power Supply Unit / Adapter
550 W
AC Input Power Voltage
100V to 240V AC
Power Frequency
50/60 Hz, Single Phase
Power Consumption
51.23 W (Access)
21.71 W (HDD Hibernation)
British Thermal Unit
174.69 BTU/hr (Access)
74.03 BTU/hr (HDD Hibernation)
Notes
Power consumption is measured when it is fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
Temperature
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
Others
System Fan
120 mm x 120 mm x 2 pcs
Easy Replacement System Fan
Noise Level*
27.2 dB(A)
Notes
Noise Level Testing Environment: Fully loaded with Seagate ST2000VN000 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology expansion unit at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%.
Certification
FCC
CE
BSMI
EAC
RCM
KC
Environment & Packaging
Environment
RoHS Compliant
Packaging Content
Main Unit X 1
User’s Guide X 1
Accessory Pack X 1
AC Power Cord X 1
Expansion Cable: Infiniband X 1