Synology

Synology RX1217sas 12-Bay SAS Expansion Diskless

2.0 (1 reviews)

Synology RX1217sas: Seamless Storage Expansion for Your Synology NASThe Synology RX1217sas expansion unit offers a straightforward solution for expanding the storage capacity and backing up data on your compatible Synology FlashStation or RackStation. By adding 12 additional SAS/SATA drive bays o...

$255.00*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

Synology RX1217sas: Seamless Storage Expansion for Your Synology NAS

The Synology RX1217sas expansion unit offers a straightforward solution for expanding the storage capacity and backing up data on your compatible Synology FlashStation or RackStation. By adding 12 additional SAS/SATA drive bays on-the-fly, it ensures your growing data needs are met without interruption. Backed by Synology's 5-year limited warranty and featuring a plug-n-use design, this expansion unit is a reliable addition to your storage infrastructure.

  • Drive Bays: 12 x SAS/SATA
  • Compatibility: Synology FlashStation/RackStation (check Synology website for specific models)
  • Features: Plug-n-use design, Online volume expansion, Redundant power supplies, Fast rack fixing lock support (with Synology RKS1317)
  • Warranty: Synology’s 5-year limited warranty & Synology Replacement Service (SRS)

Key Features

Plug-n-use design for seamless storage space upgrade

Online volume expansion on the fly

Redundant power supplies ensure service uptime

Fast rack fixing lock support with Synology RKS1317

Backed with Synology’s 5-year limited warranty & Synology Replacement Service (SRS)

Specifications

Product Type
SAS Expansion Unit
Drive Bays
12-Bay
Drives Included
Diskless (None)
Power Supply
Redundant power supplies
Warranty
5-year limited warranty
Service
Synology Replacement Service (SRS)
Rack Fixing Support
Synology RKS1317

Pros & Cons

👍 Pros

  • Benefit from a plug-n-use design for a seamless and straightforward storage space upgrade.
  • Perform online volume expansion on the fly, allowing for storage growth without system downtime.
  • Ensure continuous service uptime with redundant power supplies, enhancing reliability.
  • Facilitates fast rack fixing with support for Synology RKS1317, simplifying installation in server environments.
  • Gain peace of mind with Synology’s 5-year limited warranty and the Synology Replacement Service (SRS).

👎 Cons

  • This unit is diskless, meaning hard drives must be purchased separately and installed by the user.
  • The product is an expansion unit, requiring a compatible Synology NAS to function as intended.
  • While it supports fast rack fixing, the Synology RKS1317 rack mount kit is a separate purchase.
  • The "SAS" in the model name implies specific interface requirements for hard drives and host connection.
  • The focus on enterprise features like redundant power supplies might be an overkill for home users with simpler needs.

Frequently Asked Questions

No, the Synology RX1217sas is a diskless expansion unit, meaning hard drives must be purchased separately.
Yes, this expansion unit supports online volume expansion on the fly, allowing you to upgrade storage space without service interruption.
The Synology RX1217sas is backed with Synology’s 5-year limited warranty and includes the Synology Replacement Service (SRS).
Redundant power supplies are included to ensure continuous service uptime, providing a backup in case one power supply fails.
While it supports fast rack fixing with Synology RKS1317, the rack fixing kit itself is a separate accessory and not included with the expansion unit.