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Synology Storage Expander DX517 5-Bay Expander

  • Hard Drives Pre-installed: None
  • Power Supply: 200W
  • Form Factor: Diskstation
  • This Item is only compatible with the following products:

 Product Code:


Your Price Incl. VAT
 R 10,323.00

 When can I receive this product?

Availability: 3 - Units Available

  • Shipping: - Receive this product from October 25th, 2021 (Excluding South African Public Holidays) if you order and payment reflects on October 21st, 2021 (Remote Areas can take longer).   T & C's apply
  • Pick up: - Product can be ready for pick up October 22nd, 2021 (Excluding South African Public Holidays) if you order and payment reflects on October 21st, 2021.   T & C's apply
  • Stock availability displayed as supplied by vendor. No Stock is kept on the premises.

    Configure this Product

  • Options "Qty" selected will be multiplied by the quantity that is entered for the base/main product.
  • i.e. - If you select memory qty = 2 and you increase qty of base product to 2 you will end up with memory qty = 4

     R 10,323.00

    Product Specifications - Summary

    Form Factor: Diskstation
    Hard Drives Pre-installed: None Hard Drive Bays - Max Qty:5 
    Power Supply: 200W 1 Power Supplies - Max Qty:1 

    Product Notes

    Applied Models

    Supports creating volumes across different units
    • 21 series:DS1821+, DS1621xs+, DS1621+, DVA3221
    • 20 series:DS1520+, DS920+, DS720+
    • 19 series:DS1819+, DS1019+, DVA3219
    • 18 series:DS1618+, DS918+, DS718+, NVR1218
    • 17 series:DS1817+, DS1817, DS1517+, DS1517
    • 16 series:DS916+, DS716+, DS716+II
    • 15 series:DS1815+, DS1515+, DS1515
    Supports creating volumes on a single unit only
    • 18 series:DS218+
    • 16 series:DS216+, DS216+II, NVR216
    • 15 series:DS415+
    • For more information on the compatibility of each expansion unit, please refer to this article.
    • Please upgrade to DSM 6.2.1-23824-5 or later version before using it with 15 and 16 series models (excluding DS1515, DS716+, and DS716+II).
    • 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.


    Drive Bays 5
    Compatible Drive Type* (See all supported drives)
    • 3.5" SATA HDD
    • 2.5" SATA HDD
    • 2.5" SATA SSD
    Maximum Internal Raw Capacity 80 TB (16 TB drive x 5) (Capacity may vary by RAID types)
    Hot Swappable Drive
    RAID Management through Synology DSM
    Notes Storage Pool and volume creation require all drives to be listed as compatible on the device model's compatibility list.

    External Ports

    eSATA Port 1


    Size (Height x Width x Depth) 157 mm x 248 mm x 233 mm
    Weight 3.91 kg


    Power Recovery Synchronized with the Synology DiskStation
    Power Supply Unit / Adapter 200 W
    AC Input Power Voltage 100 V to 240 V AC
    Power Frequency 50/60 Hz, Single Phase
    Power Consumption* 29.9 W (Access)
    2.4 W (HDD Hibernation)
    British Thermal Unit 102.02 BTU/hr (Access)
    8.19 BTU/hr (HDD Hibernation)
    Notes Power consumption is measured when it is fully loaded with Western Digital 1TB WD10EFRX hard drive(s).


    Operating Temperature 5°C to 40°C (40°F to 104°F)
    Storage Temperature -10°C to 70°C (15°F to 155°F)
    Relative Humidity 5% to 95% RH


    System Fan 80 mm x 80 mm x 2 pcs
    Easy Replacement System Fan
    Noise Level* 21.5 dB(A)
    Notes Noise Level Testing Environment: Fully loaded with Seagate 1TB ST31000520AS hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%


    • FCC
    • CE
    • BSMI


    3-year hardware warranty, extendable to 5-year coverage - EW201
    Notes The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)

    Name and Product Code

    Product Name: Synology Storage Expander DX517 5-Bay Expander
    Product Code: SYN-DX517


    Shipping Length 35
    Shipping Width 35
    Shipping Height 25