Synology RackStation RS4021xs+ 16-Bay Rackmount NAS

Tackle Intensive Enterprise Workloads with a High-Density, High-Performance 3U Storage Solution

The Synology RackStation “xs+” series represents the pinnacle of performance in Synology’s lineup, engineered specifically for enterprise environments. These models are designed for businesses that require maximum throughput, robust processing power, and extensive scalability to handle demanding applications such as large-scale virtualization, high-camera-count surveillance deployments, and mission-critical data backup and restoration tasks.

Synology’s RackStation RS4021xs+ is a powerful 16-bay 3U storage solution built for high throughput and data integrity. It comes with built-in redundant power to ensure business continuity. Equipped with an 8-core processor and memory that is upgradable to 64 GB, the RS4021xs+ is capable of hosting demanding services for virtualization, mail, office collaboration, and surveillance to meet enterprise requirements.

Key Features

Exceptional Performance: Power through demanding workloads with over 6,200 MB/s sequential read performance and more than 403,000 4K random read IOPS.

Powerful 8-Core CPU: Host multiple compute-intensive services, from virtualization to mail servers, with a robust Intel® Xeon D-1541 processor.

Flexible PCIe Expansion: Adapt to future needs with two Gen3 x8 slots, perfect for adding M.2 NVMe cache adapters or high-bandwidth network cards.

Built-in Redundancy: Ensure maximum business continuity and service uptime with two redundant power supplies.

Massive Scalability: Start with 16 drive bays and seamlessly expand up to 40 bays using two Synology RX1217RP expansion units as your data grows.

Detailed Benefits

Optimized for Data Protection and Integrity

Powered by Synology DiskStation Manager (DSM), the RS4021xs+ is built on the Btrfs file system to safeguard your data with modern data protection technologies.

Advanced Snapshots: Achieve near-instantaneous, schedulable data protection for shared folders and LUNs.

Precise Restoration: Enable the restoration of specific files or folders.

File Self-Healing: Automatically detect and recover corrupted files using mirrored metadata and RAID configurations.

Certified for Virtualization

DSM streamlines storage management for virtual machines (VMs). The RS4021xs+ is certified for VMware vSphere™, Microsoft Hyper-V®, Citrix® XenServer™, and OpenStack, integrating seamlessly with your chosen platform via iSCSI or NFS protocols. You can also use Synology Virtual Machine Manager (VMM) to host your own VMs running Windows®, Linux®, or Virtual DSM.

Comprehensive, License-Free Backup

The Synology Active Backup Suite is a collection of license-free solutions designed to protect IT infrastructure.

Active Backup for Business (ABB): Consolidate backup tasks for physical and virtual environments for rapid restoration of files, machines, and VMs.

SaaS Protection: Back up all your critical data from Google Workspace (Gmail, Contacts, Calendar, and Drive) and Microsoft 365 (OneDrive for Business, SharePoint Online, emails, contacts, and calendar).

Private Video Surveillance

Transform the RS4021xs+ into a powerful Network Video Recorder with Synology Surveillance Station. It supports up to 90 IP cameras from over 7,900 models and offers private, subscription-free storage for all recordings.

Technical Specifications

• CPU – Intel Xeon D-1541 8-Core 2.1 GHz (Turbo up to 2.7 GHz)
• Memory – 16 GB DDR4 ECC UDIMM (Expandable up to 64 GB)
• Drive Bays – 16 x 3.5″ or 2.5″ SATA HDD/SSD (Expandable to 40)
• LAN Ports – 4 x RJ-45 1GbE LAN Port, 2 x RJ-45 10GbE LAN Port
• External Ports – 2 x USB 3.2 Gen 1 Port, 2 x Expansion Port
• PCIe Expansion – 2 x Gen3 x8 slots (x8 link)
• Form Factor – 3U Rackmount
• Warranty – 5 Years

Future-Proof Your Enterprise Data Management

The Synology RackStation RS4021xs+ offers the power, scalability, and reliability your business demands. Let our experts at Sirap help you configure the perfect high-performance storage solution.