Description
Synology DX1222 Drive Enclosure — 12-Bay SAS/SATA Expansion for DiskStation (Mini-SAS HD)
Elevate your Synology DiskStation storage with the DX1222 Drive Enclosure. This plug-and-play expansion unit brings a rugged yet compact desktop footprint to your data center or home office, enabling on-the-fly capacity growth with up to 12 drives that can be 2.5" or 3.5" in size. Built for performance, reliability, and easy management, the DX1222 leverages a high-speed Mini-SAS HD host interface to seamlessly scale your DiskStation’s storage pool without sacrificing uptime or efficiency. Whether you’re backing up critical data, building a robust media library, or expanding archival retention, the DX1222 provides a flexible, scalable solution that grows with you.
- Massive 12-bay expansion for scalable storage — Add up to twelve SATA/SAS drives in a single desktop enclosure, giving you substantial capacity growth while preserving a compact footprint. The DX1222 is designed to smoothly scale as your data needs evolve, helping you avoid costly migrations or complex reconfigurations.
- High-bandwidth Mini-SAS HD connectivity — The DX1222 uses a Mini-SAS HD host interface to deliver fast and reliable data transfer between the expansion enclosure and your Synology DiskStation, supporting large workloads with minimal bottlenecks. This connection is engineered for sustained performance across growing storage pools.
- Plug-and-play deployment for on-the-fly expansion — Designed for quick installation and seamless integration, the DX1222 enables storage expansion with minimal downtime. Simply connect, power on, and let your DiskStation Manager (DSM) recognize and incorporate the new capacity into existing pools or volumes.
- Flexible drive compatibility and easy maintenance — The enclosure accommodates both 2.5" and 3.5" drives and features hot-swappable trays for straightforward drive replacement without powering down. This flexibility simplifies lifecycle management and reduces maintenance windows, ensuring uptime for critical workloads.
- Versatile use cases for SMBs and prosumers — Perfect for backups, media libraries, surveillance storage, archiving, and large-scale data retention, the DX1222 delivers scalable storage expansion that adapts to a variety of workloads and business needs while preserving DSM efficiency and reliability.
Technical Details of Synology DX1222 Drive Enclosure
- Drive Bays: 12 bays compatible with 2.5" or 3.5" SATA/SAS drives
- Interface: Mini-SAS HD host interface for high-speed connections to compatible DiskStations
- Form Factor: Desktop expansion unit designed to sit alongside your Synology NAS
- Compatibility: Works as an expansion unit for Synology DiskStation models that support expansion units in the Synology ecosystem
- Power and Cooling: Efficient cooling design and reliable power delivery to support sustained operation with multiple drives
How to install Synology DX1222
- Power off or ensure your DiskStation and the DX1222 are in a safe state for connection, then connect the included Mini-SAS HD cable between the DiskStation and the DX1222.
- Power on both devices and allow the DiskStation Manager (DSM) to detect the expansion unit automatically, making the new bays visible in Storage Manager.
- Open DSM > Storage Manager to recognize the DX1222 as an expansion; create or extend storage pools and volumes using the new drives as needed.
- Format new drives as required by your storage strategy, and assign them to existing pools or create new pools for dedicated workloads (backups, multimedia, or archival data).
- Monitor drive health, temperature, and performance through DSM, and perform routine maintenance as drives age or workloads shift to maintain optimal uptime and reliability.
Frequently asked questions
- What is the DX1222? The Synology DX1222 is a 12-bay drive enclosure that expands a compatible Synology DiskStation’s storage capacity using a Mini-SAS HD interface, enabling scalable storage without relocating data off the NAS.
- Which drives are supported? The DX1222 supports up to twelve drives in either 2.5" or 3.5" form factors, using SATA or SAS interfaces (drives sold separately). The configuration flexibility allows mixed drive sizes where DSM supports pooling and expansion strategies.
- Can I hot-swap drives? Yes. The DX1222 features hot-swappable drive trays, enabling drive replacement or upgrades without powering down the enclosure, helping maximize uptime for critical workloads.
- Is it compatible with all DiskStation models? The DX1222 is designed to work with Synology DiskStation models that support expansion units in the Synology ecosystem. Check your model’s compatibility with expansion units in the DSM documentation to ensure seamless operation.
- What workloads is the DX1222 best for? It is ideal for backups, media libraries, large-scale photo and video archives, surveillance storage, and any scenario requiring scalable, high-capacity storage that remains easy to manage within the Synology DSM environment.
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