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Synology RS4021xs+ RackStation


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16-bay RackStation (up to 40-bay),  8-core 2.1 (base) / 2.7 (turbo) GHz  , 8GB DDR4 ECC UDIMM (up to 64GB), 4x 1G port, 2x 10G port Optional Accessories / HDD /... Read more

Vendor: SynologySKU: RS4021xs+N/ATags: Network Access Storage, Storage, Synology

16-bay RackStation (up to 40-bay),  8-core 2.1 (base) / 2.7 (turbo) GHz  , 8GB DDR4 ECC UDIMM (up to 64GB), 4x 1G port, 2x 10G port

Optional Accessories / HDD / SSD (Contact for more information)

RackStation RS4021xs+
Enterprise NAS with built-in service continuity engineered for data-intensive applications.

Securing your business assets
The 16-bay RS4021xs+ provides solid data security and lightening-fast performance with over 234K 4K random read IOPS and 6,258 MB/s sequential read throughput1. Together with its 8-core processor, ECC memory, advanced snapshot technology, and built-in 10GbE connectivity, the RS4021xs+ can support large multi-user environments while handling data-intensive workloads.

Engineered for service continuity
The RS4021xs+ ensures mission-critical data is always available, enabling businesses to deliver the best results, even in the face of disaster.

Storage for virtualization
Synology iSCSI storage supports mainstream virtualization solutions with an easy management interface to enhance usability. VMware vSphere 6.5 and VAAI integration helps offload storage operations. Windows Offloaded Data Transfer (ODX) speeds up data transfer. OpenStack Cinder support turns your Synology NAS into a block-based storage component. Additionally, Synology Storage Console enables even more simplified storage provisioning and management options in VMware and Windows environments.

All-in-one surveillance solution
Synology Surveillance Station transforms the RS4021xs+ into a feature-packed Network Video Recorder solution. Support for up to 90 IP cameras5 and video analytics such as motion detection, no idle zone, foreign object detection, and anomaly detection cater to the most common surveillance scenarios.

Powered by Synology DiskStation Manager
The RS4021xs+ runs Synology DiskStation Manager (DSM), the web-based operating system equipped with powerful applications and services for business.

Warranty: 5 years 



Shipping/Delivery Method Cost  Lead Time Delivery Period
Self Collection Free   2 Working Days  Monday to Saturday
Standard Shipping Orders below $500 = $15 5 Working Days Monday to Friday
     Orders above $500 = FREE


For Self Collection, Please call our customer service hotline (+65 6262 0402) prior to coming down. Our store is located at 2 Gambas Crescent #06-21,
Nordcom II, Singapore 757044

Delivery/ self collection may take a longer time to reach you during this time and throughout campaigns and festive season.

All goods purchased from can only be delivered to addresses within Singapore main island. We are unable to deliver to Jurong Island, Army Camps, Changi Airport, Tuas, Fisher Ports and etc.

We do not deliver outside Singapore or to post office boxes.

For products fulfilled by external vendors (Backorder), please refer to the individual product listing for more shipping information.

For more information, you may reach us via email to

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Synology RS4021xs+ RackStation