Synology RackStation RS4021XS+ 16 Bay Network Attached Storage Enclosure - Diskless

Description

The Synology RS4021xs+ RackStation 16-Bay Rackmount Network Attached NAS Storage Enclosure is designed for high throughput and data integrity, made with built-in redundant power. Equipped with an 8-core processor and upgradable to 64 GB memory, the RS4021xs+ is capable of hosting demanding services involving virtualisation, mail, office collaboration, and surveillance, to meet the unique requirements of enterprise environments.

Key Features
    Capacity: Un-populated sixteen (16) bay rackmount network attached NAS storage device.
    Accelerated Performance: Up to 234,698 random read IOPS and 6,258 MB/s sequential read performance.
    Powerful Compute: Host multiple compute-intensive services with its 8-core Intel processor.
    Upgradability: Two (2) PCIe expansion slots allow for M.2 NVMe cache adapters and high-bandwidth network cards (sold separately).
    Redundant Power: Ensure business continuity with two redundant power supplies.
    On-demand Scalability: Supports up to forty (40) drive bays using two (2) RX1217(RP) expansion units (sold separately, see accessories tab).

Built to handle intensive workloads
Synology RackStation RS4021xs+ is built to deliver exceptional performance, flexibility, and scalability for demanding enterprise environments.
    Up to 234,698 4K random read IOPS and 6,258 MB/s sequential read performance for demanding workloads.
    Featuring sixteen (16) drive bays supporting both SATA HDD/SSD 2.5/3.5″ drives, expandable to forty (40) drive bays using two (2) RX1217(RP) expansion units (sold separately, see accessories tab).

Optimised for data protection and integrity
Powered by Synology DSM, Synology’s unified data management operating system, and built upon the Btrfs file system, data stored on the RS4021xs+ is safely guarded by modern data protection technologies.
    Advanced snapshots technology provides schedulable and near-instantaneous data protection of shared folders and LUNs.
    File and folder-level data restoration enables restoration of specific files or folders.
    Flexible storage quota system helps admins effortlessly manage available space by specifying storage limits for shared folders.
    File self-healing detects and recovers corrupted files using mirrored metadata and RAID configurations
    Inline compression compresses data before writing it to the drive, reducing write commands and optimising storage space.

Virtualisation and certified storage
DSM streamlines the provisioning and management of storage for virtual machines (VM). Certified for VMware vSphere, Microsoft Hyper-V, Citrix XenServer, and OpenStack, it integrates with your virtualisation platform of choice through iSCSI or NFS protocols. Install Synology Storage Console on VMware or Windows platforms for additional management convenience and functionality right in the hypervisor.

Synology Virtual Machine Manager (VMM) is a hosted hypervisor for virtual machines running Windows, Linux, or virtualised versions of DSM with recovery mechanisms that ensure data protection on each VM.
Data backup solutions for IT infrastructure
    Synology Active Backup Suite is a collection of licence-free backup solutions built to protect Windows PCs and servers, VMs, other file servers, and cloud-based storage.
    Active Backup for Business (ABB) consolidates backup tasks for physical and virtual environments and enables rapid restoration of files, entire physical machines, and VMs.
    Active Backup for G Suite enables backup of Google Workspace data including Gmail, Contacts, Calendar, and Drive.
    Active Backup for Microsoft 365 enables backup of Microsoft 365 data including OneDrive for Business, SharePoint Online, emails, contacts, and calendar.

On-premises collaboration
Synology’s collaboration suite is a private SaaS for file sharing, concurrent document editing, emails, instant messaging, and more. By leveraging a private cloud infrastructure, it ensures data ownership while multi-layered security enables secure multi-platform access.
    Synology Drive allows data access, synchronisation, on-demand file restoration, and backup.
    Synology MailPlus6 provides a secure, reliable, and private email server.
    Synology Chat brings teams together through instant multi-platform communication.
    Synology Calendar helps teams keep track of what is most important with convenient calendar sharing and scheduling.

Private video surveillance
With Synology Surveillance Station, the RS4021xs+ becomes a powerful Network Video Recorder solution with support for up to 90 IP cameras.
    7,600+ supported camera models.
    ONVIF support to prevent vendor lock-in.
    Private, subscription-free storage of the recordings.
    Access through web browser, dedicated desktop clients, or mobile app.
    Event-based rules to trigger specific actions.
    Email, SMS, or push notification systems.