Synology RX1216SAS NAS Expansion Unit

Synology Part #/MPN: RX1216SAS

DiscTech Item #: SYN-RX1216SAS-BN-5Y

  • Low Stock:Call for ETA
    Stock Levels

    This item is currently (nearly) out of stock. It may be possible to arrange fast shipment. If you need it urgently call us. Otherwise, it usually ships within 1 week.


Interface Types: SAS Serial Attached SCSI, SATA, SATA 1.8in Mini-SATA / MSATA, SFF-8088

Form Factor: 3.5inx1.0in LFF Hard Drive

Bays/Ports/Slots: 12

Wattage/VA: 500W

Voltage: 110-240V Multi

Synology RX1216SAS 12-Bay SAS / SATA Redundant NAS Expansion Unit - Diskless - Brand New

Synology RackStation RX1216SAS 12-bay NAS Expansion Unit includes ...

  • 2x MiniSAS In-ports
  • 2x MiniSAS OUT-ports
  • 12 drive bays
  • accepts 3.5" and 2.5" SATA hard drives, 2.5" SATA solid state drives, 3.5” and 2.5” SAS hard drives and 2.5” SAS solid state drives.

The Ultimate SAS & SATA Storage Expansion Solution

Synology RX1216sas delivers an effortless storage capacity expansion solution for Synology RackStation RS18016xs+ by adding 12 drives on-the-fly while directly connected.


  • Plug-n-use design for seamless storage space upgrade
  • Redundant data paths & power supplies ensure service uptime
  • SATA and SAS drives for flexible capacity and balanced performance
  • Managed with Synology DiskStation Manager (DSM)

When storage capacity on the Synology RS18016xs+ reaches its limit, Synology RX1216sas provides an easy way to immediately scale up by additional 12 SATA, or SAS drives for flexibility and balanced performance. Volumes on the Synology RS18016xs+ can be expanded directly without having to reformat existing drives, ensuring that service on Synology RS18016xs+ continues during capacity expansion. Created as an independent volume, Synology RX1216sas provides an easy means of backing up Synology RS18016xs+.


Supported model

  • RackStation RS18016xs+

Model NumberRX418
Applied Models
  • RS818(RP)+
  • RS815(RP)+
  • RS816
  • RS815
  • Some models support independent volumes creation only. Please find more details here
    Drive Bay(s)4
    Compatible Drive Type
  • 3.5" SATA HDD
  • 2.5" SATA HDD
  • 2.5" SATA SSD
  • Maximum Internal Raw Capacity48 TB (12 TB drive x 4) (Capacity may vary by RAID types)
    Hot Swappable DriveYes
    RAID Management through Synology DSMYes
    eSATA port1
    Size44 mm x 480 mm x 325 mm
    Power RecoverySynchronized with the Synology RackStation
    Power Supply Unit / Adapter100Wn
    AC Input Power Voltage100V to 240V AC
    Power Frequency50/60 HZ, Single Phase
    Power Consumption23.26 W (Access)
    6.39 W (HDD Hibernation)
    British Thermal Unit79.42 BTU/hr (Access)
    21.82 BTU/hr (HDD Hibernation)
    Redundant Power SupplyYes
    Operating Temperature5°C to 35°C (40°F to 95°F)
    Storage Temperature-20°C to 60°C (-5°F to 140°F)
    Relative Humidity5% to 95% RH
    System Fan40 mm x 40 mm x 3 pcs
    Noise Level25.1 dB(A)
    CertificationFCC Class A
    CE Class A
    BSMI Class A

    Click here to view the manufacturer's item description/brochure

    ROHS Compliant

    Weight: 31 lb

    Warranty: 5 Year Manufacturer

    Brand New

    Condition Levels Explained

    The product is brand new.

    5 Year Manufacturer Warranty

    Product Warranties Explained

    The product has a manufacturer warranty for the time period specified.