Synology
Synology RXD1219SAS 12 Bay Rack Expansion (Diskless)
Expand Your Storage with the Synology RXD1219sas Expansion Unit The Synology RXD1219sas is a 12-bay rack-mounted expansion unit designed to seamlessly increase the storage capacity of your Synology servers. With its plug-and-play design, high-performance data transmission, and redundant power sup...
$3,200.14*
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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
Expand Your Storage with the Synology RXD1219sas Expansion Unit
The Synology RXD1219sas is a 12-bay rack-mounted expansion unit designed to seamlessly increase the storage capacity of your Synology servers. With its plug-and-play design, high-performance data transmission, and redundant power supplies, the RXD1219sas ensures reliable and efficient storage expansion for your growing data needs.
Specifications:
- Drive Bays: 12 x 2.5" / 3.5" SAS
- Interface: Mini-SAS HD
- Power Supplies: Redundant
- Mounting Type: Rack Mount
Key Features
Plug-and-play design for seamless storage space upgrade
12 additional SAS interface drive Bays available for online volume expansion on the fly
Mini-sas HD connectivity enabling high Performance data transmission
Redundant power supplies that maximize service uptime
Backed by Synology’s 5-year limited
Specifications
Drive Bays
12
Drive Interface
SAS
Connectivity
Mini-SAS HD
Power Supplies
Redundant
Warranty
5-year limited
Configuration
Diskless (drives sold separately)
Pros & Cons
👍 Pros
- Offers a plug-and-play design, enabling seamless and straightforward storage space upgrades without complex configurations.
- Provides 12 additional SAS interface drive bays, allowing for online volume expansion on the fly to meet growing storage needs.
- Features Mini-SAS HD connectivity, which facilitates high-performance data transmission for demanding storage tasks.
- Equipped with redundant power supplies, significantly enhancing service uptime and ensuring continuous operation even if one power unit fails.
- Backed by Synology’s 5-year limited warranty, providing long-term assurance and support for the product.
👎 Cons
- The unit is diskless, meaning hard drives must be purchased separately, adding to the total cost and setup time.
- Requires a compatible Synology NAS to function as an expansion unit, limiting its standalone usability.
- The 12-bay capacity, while substantial, might be an overkill for small businesses or home users with more modest storage requirements.
- Mini-SAS HD connectivity is specific and requires compatible cables and ports, which might not be standard on all server equipment.
- While offering online volume expansion, the actual speed and performance will depend on the primary NAS unit and the drives installed.
Frequently Asked Questions
Does the Synology RXD1219SAS come with hard drives included?
No, the Synology RXD1219SAS is a diskless expansion unit, meaning hard drives must be purchased separately and installed by the user.
How many additional drives can this unit accommodate?
This rack expansion unit provides 12 additional SAS interface drive bays for storage, allowing for significant online volume expansion.
Is this expansion unit compatible with any network attached storage (NAS) system?
The Synology RXD1219SAS is designed for seamless storage space upgrades, but it requires a compatible Synology NAS to function as an expansion unit.
What type of connection does this expansion unit use for data transmission?
It utilizes Mini-SAS HD connectivity, which is engineered to enable high-performance data transmission between the expansion unit and the primary NAS.
What kind of power redundancy does this unit offer?
The Synology RXD1219SAS is equipped with redundant power supplies, a feature designed to maximize service uptime and ensure continuous operation.
What is the warranty period for this Synology expansion unit?
The Synology RXD1219SAS is backed by Synology’s 5-year limited warranty, providing comprehensive support and coverage.
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