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Synology DS1621xs+ six-bay desktop NAS tower in black

Synology Inc.

Synology DiskStation DS1621xs+ NAS Xeon D-1527 2.2GHz 32GB 60TB

SKU CH-13C8-26PRC

A six-bay desktop NAS with a Xeon D-1527 2.2 GHz CPU, 32 GB DDR4 ECC memory, 60 TB of SATA storage and a 10GbE port for multi-user workloads

  • Form Factor6-Bay
  • ProcessorIntel Xeon
  • Installed Memory32GB
  • Included HDD Capacity60TB (6 x 10TB)

Included HDD Capacity 60TB (6 x 10TB)

  • Xeon D-1527 4-core 2.2 GHz CPU powers intensive multi-user workloads
  • 32 GB DDR4 ECC memory protects data integrity for critical server roles
  • 60 TB raw capacity across six 10 TB SATA drives stores massive datasets
  • 10 GbE LAN port with link aggregation enables lightning-fast file sharing and VM storage
  • Synology DSM software delivers backup, surveillance and container tools in one platform

Six-bay Xeon D-1527 NAS for multi-user workloads

The DS1621xs+ is a desktop NAS built around a four-core Xeon D-1527 running at 2.2GHz with a 2.7GHz turbo. It ships with 32GB of DDR4 ECC SODIMM memory and sixty terabytes of raw storage across six 10TB SATA 3.5-inch drives. The platform targets small and medium businesses that run iSCSI targets, file storage, email servers or domain controllers with intensive multi-user demand.

1TB M.2 NVMe SSD plus 10GbE and eSATA expand I/O

A factory-supplied 1TB M.2 NVMe SSD adds a high-speed cache tier for metadata or VM workloads. The single 10GbE RJ-45 port supports link aggregation and failover alongside two 1GbE ports, while two eSATA ports and three USB 3.2 ports allow direct attachment of external arrays or backup targets without consuming internal bays.

Single power supply and fixed 32GB memory limit

The unit relies on a single power supply, so a mains failure takes the entire system offline. Memory is soldered to 32GB with no expansion slots, capping virtual-machine density and cache sizing. Six drive bays are fully populated at delivery, leaving no room for internal capacity growth without an external enclosure.

Highlights

  • Xeon D-1527 4-core 2.2 GHz CPU powers intensive multi-user workloads
  • 32 GB DDR4 ECC memory protects data integrity for critical server roles
  • 60 TB raw capacity across six 10 TB SATA drives stores massive datasets
  • 10 GbE LAN port with link aggregation enables lightning-fast file sharing and VM storage
  • Synology DSM software delivers backup, surveillance and container tools in one platform

Specifications

Form Factor6-Bay
ProcessorIntel Xeon
Installed Memory32GB
Included HDD Capacity60TB (6 x 10TB)

Other versions of this model

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Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

Will the 10TB SATA drives need to be replaced on a schedule, and can I swap them without downtime?

The six 10TB SATA drives are hot-swappable in the 6-bay chassis, so a failed drive can be replaced while the NAS stays online; Synology DSM will rebuild the array automatically after insertion.

Which component hits its ceiling first when the Xeon D-1527 runs at 2.7GHz turbo with all 32GB DDR4 ECC memory active?

The 4-core Xeon D-1527 reaches its thermal and compute ceiling before the 32GB DDR4 ECC memory or the single 10GbE port saturate under sustained multi-user workloads.

How loud and hot does the unit get when the 10GbE link and all six 3.5-inch drives run continuously?

With a single power supply and six spinning 3.5-inch drives, the chassis warms noticeably and fan speed rises; expect audible airflow in a quiet office but no extreme heat if ventilation space is kept clear.

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