Synology RackStation RS4021XS+ NAS/storage server Rack 3U Ethernet LAN Black D-1541 RS4021XS+

Synology RackStation RS4021xs+ is a high-performance 16-bay 3U storage server designed for enterprise data management. It offers high throughput and data integrity with built-in redundant power. The server is powered by an 8-core processor and can be upgraded to 64 GB memory, making it suitable for hosting demanding services such as virtualization, mail, office collaboration, and surveillance in enterprise settings.

The Synology RackStation RS4021xs+ is engineered to handle intensive workloads, offering exceptional performance, flexibility, and scalability for enterprise environments. It delivers up to 234,698 4K random read IOPS and 6,258 MB/s sequential read performance for demanding tasks. The server features 16 drive bays that support both 2.5/3.5" SATA HDD/SSD drives, expandable up to 40 bays with two Synology RX1217(RP) expansion units.

Data protection and integrity are optimized with Synology's DSM operating system and the Btrfs file system, ensuring data is safeguarded with advanced technologies. Features include advanced snapshots for data protection, file and folder-level data restoration, a flexible storage quota system, file self-healing, and inline compression to optimize storage space.

For virtualization and certified storage, DSM simplifies storage management for virtual machines and is certified for VMware vSphere, Microsoft Hyper-V, Citrix XenServer, and OpenStack. It integrates seamlessly with your virtualization platform via iSCSI or NFS protocols, while Synology Storage Console enhances management convenience. Synology Virtual Machine Manager (VMM) serves as a hosted hypervisor for virtual machines running Windows, Linux, or virtualized DSM versions with data protection mechanisms.

The Synology Active Backup Suite offers a collection of license-free backup solutions to protect Windows PCs, servers, VMs, other file servers, and cloud storage. Active Backup for Business consolidates backup tasks for physical and virtual environments with rapid restoration options. Active Backup for G Suite and Active Backup for Microsoft 365 provide backup capabilities for Google Workspace and Microsoft 365 data, respectively.

Synology's collaboration suite offers on-premises file sharing, document editing, emails, instant messaging, and more. It leverages a private cloud infrastructure to ensure data ownership with multi-layered security for secure access across platforms. Synology Drive enables data access, synchronization, and backup; Synology MailPlus offers a private email server; Synology Chat facilitates team communication; and Synology Calendar helps with scheduling and calendar sharing.

The RS4021xs+ also functions as a powerful Network Video Recorder with Synology Surveillance Station, supporting up to 90 IP cameras. It supports 7,600+ camera models, includes ONVIF support, and offers private, subscription-free storage of recordings. Access is available via web browser, desktop clients, or mobile app, and the system features event-based rules and notification options through email, SMS, or push notifications.