Synology RackStation RS4021xs+ 16-Bay Rackmount NAS
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The Synology RackStation RS4021xs+ is a 16-bay rackmount NAS, offering storage expandability up to 40 bays. It is powered by an Octa Core 2.1 GHz CPU and features 16 GB of DDR4 ECC UDIMM RAM, which is expandable to 64 GB. Connectivity options include 4x Gigabit Ethernet ports, 2x 10 Gigabit Ethernet ports, and 2x USB 3.2 ports. This unit comes with a 5-year warranty.
Specifications
- CPU
- Octa Core 2.1 GHz
- RAM
- 16 GB DDR4 ECC UDIMM (expandable to 64 GB)
Highlights
- 16 drive bays with expandability up to 40 bays
- Octa Core 2.1 GHz processor
- 16 GB DDR4 ECC UDIMM expandable to 64 GB
- Dual 10GbE and quad 1GbE network ports
- Dual USB 3.2 ports for peripherals
- 5-year hardware warranty
Processor
- CPU
- Octa Core 2.1 GHz
Memory
- RAM
- 16 GB DDR4 ECC UDIMM (expandable to 64 GB)
Storage
- Storage Bays
- 16 (expandable to 40)
Networking
- Network Ports
- 4x Gigabit Ethernet, 2x 10 Gigabit Ethernet
Connectivity
- USB Ports
- 2x USB 3.2
Warranty
- Warranty
- 5 Years
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The Synology RackStation RS4021xs+ is a 16-bay rackmount network-attached storage solution designed for enterprise datacentres and data-intensive business workloads. Powered by an octa-core 2.1 GHz processor and 16 GB ECC memory, it provides expandable storage up to 40 bays alongside high-speed dual 10GbE connectivity for reliable high-throughput file serving and virtualisation.
Frequently asked questions
What is the Synology RS4021xs+ used for?
- The RS4021xs+ is designed for datacentres and enterprise environments requiring scalable storage, data management, and reliable backup. With built-in 10GbE ports and an octa-core processor, it easily handles heavy multi-user workloads and bandwidth-intensive tasks.
Can the memory and storage capacity be expanded?
- Yes, the unit comes standard with 16 GB of DDR4 ECC UDIMM RAM, which can be expanded up to 64 GB. The 16 internal drive bays can also scale up to a total of 40 bays using compatible expansion hardware.
Does the Synology RS4021xs+ come with a warranty?
- Yes, this unit includes a 5-year warranty. South African buyers receive local support and warranty fulfilment via Server Hub.