Synology RackStation RS4021xs+ NAS

Synology RackStation RS4021xs+ NAS

Brand: Synology | Category: Storage Systems

SKU: SYNO-RS4021XS | Part #: RS4021xs+ | MPN: RS4021xs+

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About the Synology RackStation RS4021xs+ NAS

At a glance — key specifications

Part NumberRS4021xs+
ManufacturerSynology
CategoryStorage Systems
ConditionNew, sealed

Perfect for

  • Enterprise datacentre infrastructure
  • AI / ML training and inference
  • Hyperscale cloud deployments
  • Financial services compute
  • Telecommunications and edge computing

Frequently asked questions

How do I get a formal quote?

Use the RFQ form on this page with quantity, destination country, and target lead time. Our pre-sales team responds with competitive quoting, vendor-confirmed availability, and any matching support / commissioning options within 48 hours.

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Technical Specifications

BrandSynology
CategoryStorage Systems
SKUSYNO-RS4021XS
Part NumberRS4021xs+
ConditionNew
Form Factor4U Rack
Manufacturer Part NumberRS4021xs+
Drive Bays40 x 3.5-inch (or 2.5-inch with trays)
Max Memory256 GB DDR4
ProcessorIntel Xeon D-2700 series dual-socket
Max Raw Storage Capacity320 TB (40 x 8 TB drives)
Ethernet Ports4 x 10 GbE RJ45
PCIe Expansion2 x PCIe 4.0 slots
Operating Temperature0–45°C
Power SupplyRedundant 800 W AC
CoolingHot-swap redundant fans
ManagementSynology DiskStation Manager (DSM)
Security FeaturesRAID 6/10, AES-256 encryption, IP access control

Frequently Asked Questions about Synology RackStation RS4021xs+ NAS

What does the Synology RackStation RS4021xs+ NAS do?

the Synology RackStation RS4021xs+ NAS suits enterprise data-center storage tiers — all-flash arrays, hyperconverged storage pools (vSAN, Ceph), database backends, and high-throughput backup repositories. It is supported by major server platforms.

What are the headline specs of the Synology RackStation RS4021xs+ NAS?

Key specifications for the Synology RackStation RS4021xs+ NAS: new condition; part number RS4021xs+; manufacturer Synology; category Storage Systems; condition New, sealed; form factor 4U Rack; manufacturer part number RS4021xs+. Manufacturer part number RS4021xs+. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.