Synology DX1215II 12-Bay Tower Expansion Unit

Name: Synology DX1215II 12-Bay Tower Expansion Unit
SKU: DX1215II
Availability: InStock

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Synology DX1215II 12-Bay Tower Expansion Unit [12 x 2.5″/3.5″ HDD/SSD, Compatible w/ HAT5300 HDD & SAT5210 SSD]

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SKU: DX1215II Categories: Network Storage, Storage, Tower Expansion Unit

Description

Expansion Unit DX1215II

Plug-and-play storage expansion for Synology DiskStation

Easily add 12 bays to your DiskStation

With its 12-bay desktop form factor, the DX1215II provides generous storage expansion for Synology DiskStation¹ whenever needed with minimal impact on the deployment footprint.

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Online volume and storage expansion

Add a new volume to your storage, or seamlessly expand RAID volumes on Synology DiskStation without reformatting drives with online volume expansion through DiskStation Manager (DSM) to minimize service disruptions.

Backed by Synology drives

Engineered to handle intensive 24/7 workloads, Synology drives consistently deliver top-grade performance.²

Enterprise Series 3.5″ SATA Plus Series 3.5″ SATA

Simple setup and management

Plug-and-play design makes adding the DX1215II to an existing DiskStation simple. Unified drive management through DSM ensures health monitoring, storage allocation, and maintenance tasks are centralized and easily accessible to administrators.

5-year warranty

At Synology, we are committed to product innovation and quality. Synology guarantees a robust and reliable data management experience with a 5-year limited warranty,³ providing responsive technical support and hardware replacement services to maximize your return on investment. Learn more

Notes:

View specifications for a list of supported models. Requires DSM 6.2.4-25556 or newer to be installed on the host device.
Storage drives are sold separately. Refer to the compatibility list for compatible devices.
The warranty period starts from the date of purchase as stated on your purchase receipt. Visit https://www.synology.com/company/legal/warranty for more information.

Hardware Specifications
Applied Models	Supports creating volumes across different units	FS series:FS1018 19 series:DS2419+II, DS2419+ 18 series:DS3018xs 17 series:DS3617xsII, DS3617xs 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
Warranty	5 Years
	Notes	The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)
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
Optional Accessories	3.5″ SATA HDD: HAT5300/HAT3300 Enterprise Series 2.5″ SATA SSD: SAT5200 Series

Notes:

Model specifications are subject to change without prior notice.
The figures are based on Synology internal testing. Each performance test is done individually. No other services or applications are processed at the same time.
The actual performance may be lower than lab testing figure due to differences in server configuration, deployment, and the number of active operations.
If usage requirements exceed the specifications above, please contact our regional partners for professional advice.