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Silver 12-bay rackmount NAS chassis with front drive trays

Synology Inc.

Synology DiskStation DS3622xs+ rackmount NAS Xeon D-1531 2.2GHz 48GB 216TB (12 x 18TB)

SKU CH-3K1S-TSSF5

A 12-bay rackmount NAS with a Xeon D-1531 6-core 2.2 GHz CPU, 48 GB DDR4 ECC memory, and 216 TB of SATA 3.5" storage, plus dual 10 GbE ports for high-throughput file, VM and surveillance workloads

  • HDD Interface216TB (12 x 18TB)
  • Form Factor12-Bay
  • ProcessorIntel Xeon
  • 6-core Xeon D-1531 at 2.2 GHz handles intensive multi-user workloads
  • 48 GB DDR4 ECC memory protects data integrity under heavy load
  • 216 TB raw capacity from twelve 18 TB SATA drives stores massive datasets
  • Dual 10 GbE ports with link aggregation and failover deliver high-throughput networking
  • Btrfs file system enables advanced LUN iSCSI services for virtualised environments

12-bay rackmount NAS for multi-user workloads

The Synology DiskStation DS3622xs+ is a 12-bay rackmount NAS built around a Xeon D-1531 6-core 2.2GHz processor with 48GB DDR4 ECC memory. It ships with 216TB of raw capacity across twelve 18TB SATA 3.5" drives. The platform targets small and medium businesses running iSCSI targets, file storage, email servers, domain controllers, virtual machines, container storage, and large-scale surveillance recording.

Single power supply with dual 10GbE and 1GbE links

The chassis uses a single power supply and provides two RJ-45 10GbE ports alongside two 1GbE ports, both supporting link aggregation and failover. Two USB 3.2 ports and two expansion ports are available for external devices or add-on cards. The system runs Synology DSM, which manages the Btrfs file system for advanced LUN iSCSI service and handles thermal and power behaviour under typical multi-user loads.

Drives and memory ship separately for on-site

All twelve 18TB hard drives and the 48GB DDR4 ECC SODIMM modules are included in the box but not installed, requiring physical assembly before first boot. DSM bundles storage management, file syncing, surveillance, and backup applications that become functional once the hardware is assembled and the operating system is initialised. Buyers without rack mounting infrastructure or on-site technical resources for drive and memory installation should plan accordingly.

Highlights

  • 6-core Xeon D-1531 at 2.2 GHz handles intensive multi-user workloads
  • 48 GB DDR4 ECC memory protects data integrity under heavy load
  • 216 TB raw capacity from twelve 18 TB SATA drives stores massive datasets
  • Dual 10 GbE ports with link aggregation and failover deliver high-throughput networking
  • Btrfs file system enables advanced LUN iSCSI services for virtualised environments

Specifications

HDD Interface216TB (12 x 18TB)
Form Factor12-Bay
ProcessorIntel Xeon

Questions about this item

How do I install the 12 x 18TB SATA 3.5" drives into the 12-bay chassis?

The chassis ships with drives and memory separate; insert each 3.5" SATA drive into a bay until it clicks, then seat the DDR4 ECC SODIMM modules in the internal slots before powering on.

Which components will need replacement first during long-term operation?

The 12 x 18TB SATA hard drives are the primary wear items; the single power supply and system fan are the next field-replaceable parts to monitor.

What performance limit appears first when the Xeon D-1531 runs sustained multi-user workloads?

The 6-core 2.2 GHz CPU with 2.7 GHz turbo and 48 GB DDR4 ECC memory will saturate before the dual 10GbE or dual 1GbE network links become the bottleneck.

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