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Synology RX1217SAS 12 Bay 3.5/2.5" SAS/SATA Expansion Unit

Synology RX1217SAS 12 Bay 3.5/2.5" SAS/SATA Expansion Unit
  • Synology RX1217SAS 12 Bay 3.5/2.5" SAS/SATA Expansion Unit
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  • Product Name:
    Synology RX1217SAS 12 Bay 3.5/2.5" SAS/SATA Expansion Unit
  • Model Number:
  • Brand:
  • Manufacturer Warranty:
    60 Months
  • Description

    12-bay 3.5"/2.5" SAS/SATA expansion

    Easily add 12 additional drive bays to Synology FlashStation or RackStation1. Supporting both 2.5" and 3.5" SAS/SATA drives, the RX1217sas is a flexible solution supporting on-the-fly volume expansion or serving as a local backup destination.

    Maximum reliability design

    Dual power supplies ensure continuous service uptime. Easily replace defective drives with the hot swappable drive trays. Experience fast and secure rack cabinet installation with the optional sliding rail kit RKS1317.

    Expansion Unit RX1217sas

    5 year warranty

    Synology's 5-year limited warranty provides hardware replacement and technical support via email and telephone services, maximizing your enterprises' return on investment.

    Synology Replacement Service (SRS)

    SRS provides free advance replacement units as early as the next business day in selected regions, maximizing the service uptime for your mission-critical storage and ensuring your business continuity2. Know more about SRS.


    Hardware Specifications
    Applied Models
    • FS3017*
    • FS2017
    • RS18017xs+
    NoteConnecting to a Synology FlashStation FS3017 requires the optional FS3017 Expansion Card (FXC17) to be installed on the host device. FS3017 Expansion Card is sold separately.
    Drive Bays12
    Compatible Drive Type* (See all supported drives)
    • 3.5" SAS HDD
    • 2.5" SAS HDD
    • 2.5" SAS SSD
    • 3.5" SATA HDD
    • 2.5" SATA SSD
    Maximum Internal Raw Capacity144 TB (12 TB drive x 12) (Capacity may vary by RAID types)
    Hot Swappable Drive
    RAID Management through Synology DSM
    External Ports
    SAS IN-port1
    SAS OUT-port1
    Size (Height x Width x Depth)88 mm x 482 mm x 724 mm 
    Weight18 kg 
    Power RecoverySynchronized with the Synology RackStation
    Power Supply Unit / Adapter2 x 500W 
    AC Input Power Voltage100V to 240V AC
    Power Frequency50/60 Hz, Single Phase
    Power Consumption*132.7 W (Access) 
    89.3 W (HDD Hibernation) 
    British Thermal Unit452.79 BTU/hr (Access) 
    304.7 BTU/hr (HDD Hibernation) 
    NotePower consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
    Redundant Power Supply (for RP model)
    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 Fan60 mm x 60 mm x 4 pcs
    Easy Replacement System Fan
    Noise Level*60.9 dB(A) 
    • FCC
    • CE
    • BSMI
    • EAC
    • RCM
    • KC
    Warranty5 Years
    Environment & Packaging
    EnvironmentRoHS Compliant
    Packaging Content
    • Main Unit X 1
    • Accessory Pack X 1
    • AC Power Cord X 2
    • Expansion Cable: MiniSAS-HD X 1
    • Quick Installation Guide X 1
    Optional AccessoriesSynology RKS1317 - Rail Kit Sliding