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Synology DX1211 12 Bay Expansion Unit

B&H # SYDX1211 MFR # DX1211

Availability Details

This item has been discontinued by the manufacturer and is no longer available.

Product Highlights
  • For DiskStation DS2411+ / DS3612xs
  • High Speed Infiniband Cable
  • Minimum Downtime
  • HDD Hibernation / Deep Sleep Mode
  • Runs on Synology DiskStation Manager
  • Easy to Manage

The DX1211 12 Bay Expansion Unit from Synology delivers an effortless solution for volume expansion and data backup for Synology DiskStation DS2411+ / DS3612xs NAS. The expansion unit seamlessly scales up the storage capacity of the NAS servers by adding 12 hard drives directly to servers.

Volume Expansion & Backup
The DX1211 Expansion Unit provides an easy way to scale up the capacity of Synology DiskStation DS2411+ / DS3612xs NAS by adding 12 hard drives. The RAID volume on DS2411+ / DS3612xs server can be expanded directly without having to reformat the existing hard drives. This ensures that the Synology DiskStation continues its service during the capacity expansion. When created as an independent volume, this unit provides an easy solution for backing up the Synology DiskStations.
Reliable Plug-n-use Design
The Expansion Unit securely connects to the DS2411+ / DS3612xs NAS via an Infiniband cable to carry 12 Gbps SATA signal for the maximum throughput. It allows the hard drives in the connected DX1211 unit to operate as the internal hard drives of the DS2411+ / DS3612xs with no lag in data retrieval.
Green & Easy to Manage
The Expansion Unit features HDD hibernation or HDD Deep Sleep mode that can be configured to take effect automatically when the system has been inactive for a specified period of time. This not only saves energy but also extends the lifespan of the hard disks.

The DX1211 Expansion Unit is managed by DSM. No additional software installation is required.

Internal HDD 12x 3.5" (88.89 mm) SATA or 12x 2.5" (63.49 mm) SATA
HDD Hot-swappable
Expansion Interface 1x Infiniband port
Fan 2x System fan 4.72 x 4.72" (120 x 120 mm)
Power Recovery Synchronized with the Synology DiskStation
AC Input Power Voltage 100 to 240 V
Power Frequency 50 to 60 Hz, single phase
Power Consumption 124.3 W (Access), 27.5 W (HDD Hibernation)* 1
Please Note:

*Measured with 12 Western Digital 3 TB WD30EZRS hard drives. The figures could vary on different environments.

Environmental & Physical Specifications
Environment RoHS Compliant
Operating Temperature 40 to 95°F (5 to 35°C)
Storage Temperature 15 to 155°F (-10 to 70°C)
Relative Humidity 5 to 95% R.H.
Maximum Operating Altitude 6,500' (1981.2 m)
Dimension (D x W x H) 10.62 x 11.81 x 13.38" (270 x 300 x 340 mm)
Weight 21.45 lb (9.73 kg)
Synology DX1211 12 Bay Expansion Unit
  • Infiniband Cable
  • AC Power Cord
  • Assembling Kit
  • User Guide
  • 3 Year Warranty

    by PowerReviews
    SynologyDX1211 12 Bay Expansion Unit

    (based on 2 reviews)

    Ratings Distribution

    • 5 Stars



    • 4 Stars



    • 3 Stars



    • 2 Stars



    • 1 Stars



    Reviewed by 2 customers

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    Doubled Synology Storage

    By jy

    from CA

    About Me Power user

    Verified Buyer


    • Easy To Manage
    • Easy To Set Up


    • Bulky

    Best Uses

    • High Volume
    • Home
    • Small Networks

    Comments about Synology DX1211 12 Bay Expansion Unit:

    The DX1211 is used to expand a DS2411 for a total of 92TB of drive storage. The ease of set up is great. populate the drive trays and insert, plug in the connection cable to the DS2411 and power, and turn on. The web interface showed both the orginial DS2411 and the DX1211 and was eay to configure. No issues with speed or mapped drives.

    • Primary use:
    • Business
    • Computer Platform:
    • PC

    Share this review


    DX1211 - expansion

    By JS

    from CA

    About Me Value Oriented

    Verified Buyer


    • Amazing Amount Of Storage
    • Compact
    • Easy Setup
    • Easy To Attach
    • Nice Size


    • Single Expansion Cable
    • Single Power Supply

    Best Uses

    • Home
    • Network
    • Office

    Comments about Synology DX1211 12 Bay Expansion Unit:

    this is being used to expand another synology nas for archival data storage.

    • Primary use:
    • Personal
    • Computer Platform:
    • PC

    Share this review

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