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Black six-bay tower NAS with front drive trays and rear ports

Synology Inc.

Synology DiskStation DS1621xs+ NAS Xeon D-1527 2.2GHz 32GB 24TB 10GbE

SKU CH-0K38-PYCSF

Six-bay desktop NAS with Xeon D-1527 processor, 32GB ECC memory, 24TB of SATA storage and a 10GbE port for high-throughput workloads

  • CPUIntel Xeon
  • Form factor6-Bay
  • Installed RAM32 GB
  • Drives included24 TB (6 × 4 TB)

Included HDD Capacity 24TB (6 x 4TB)

  • Xeon D-1527 4-core CPU at 2.2 GHz up to 2.7 GHz turbo for multi-user workloads
  • 32 GB DDR4 ECC memory protects data integrity during intensive server tasks
  • 24 TB raw capacity from six 4 TB SATA drives in a 6-bay chassis
  • 10 GbE LAN port with link aggregation and failover enables high-throughput file sharing
  • Btrfs file system supports advanced LUN iSCSI services for virtualised storage

Six-bay NAS with Xeon D-1527

The Synology DiskStation DS1621xs+ is a six-bay desktop NAS powered by an Intel Xeon D-1527 4-core processor running at 2.2 GHz with a 2.7 GHz turbo. It ships with 32 GB of DDR4 ECC SODIMM memory and 24 TB of raw storage supplied as six 4 TB SATA 3.5-inch hard drives. The unit runs Synology DSM and includes one 10 GbE RJ-45 port, two 1 GbE RJ-45 ports, three USB 3.2 ports and two eSATA ports. Drives and memory upgrades are packaged separately and require installation.

Suited for virtualisation

Businesses running virtual machines, containers or a network video recorder with many cameras will benefit from the ECC memory, Btrfs file system and the single 10 GbE uplink. The four-core Xeon handles concurrent iSCSI targets, email and domain controller duties. Organisations that need multiple 10 GbE connections or higher-speed uplinks should consider a different platform, as this chassis provides only one 10 GbE port.

Single 10 GbE port decides fit

The presence of exactly one 10 GbE RJ-45 port alongside two 1 GbE ports is the specification that determines whether this DS1621xs+ matches the network design. If the infrastructure requires more than one 10 GbE link for aggregation or redundant high-speed paths, this model will not meet that requirement.

How it compares

Measured against everything we stock in Multi-Bay Desktop NAS, at today’s prices. Recalculated every night.

Price $4,057.99
Pricier than about 90% of the 230 comparable items (median $562.49).

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Specifications

Processor
CPUIntel Xeon
Memory
Installed RAM32 GB
Storage
Drives included24 TB (6 × 4 TB)
Size & build
Form factor6-Bay

Other versions of this model

2 more in the same range

Questions about this item

Which drives must I supply to populate the six 3.5-inch bays?

The unit ships with six 4 TB SATA drives that fill every bay; no additional drives are required.

Can the single 10 GbE port be aggregated with the two 1 GbE ports for higher throughput?

Link aggregation and failover are supported across the 10 GbE and both 1 GbE ports, so all three can work together.

How do I confirm the Xeon D-1527 is recognised with its 32 GB of ECC memory after first boot?

Open DSM's Resource Monitor; the CPU model and 32 GB DDR4 ECC capacity appear on the Performance tab.

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