RackStation RS4017xs+

    Highly scalable NAS designed for virtualization, data-intensive applications and service continuity for large scale businesses

    Powerful storage solution

    RS4017xs+ provides rock-solid storage solution with ultra-high performance at over 240,079 random read IOPS and 6,221 MB/s sequential read throughput1. DDR4 ECC UDIMM and 10GbE connectivity guarantees data accuracy and performance for mission-critical environment.


    Intel® Xeon® D-1541 8-core processor

    RAM options

    8 GB DDR4 ECC UDIMM, up to 64 GB


    Two 10GBase-T ports, optional 10GbE NIC support


    3U chassis design, 16 SATA drive bays

    Robust scalability and reliability

    Storage capacity of RS4017xs+ can be further scaled up when connected to two Synology Expansion Unit RX1217 or RX1217RP, providing a total drive number of 40 without disrupting host services.

    5-year warranty

    At Synology, we are committed to product innovation and quality. Synology guarantees a robust and reliable data management experience with a 5-year limited warranty, providing responsive technical support and hardware replacement services to maximize your return on investment.

    Fully certified storage virtualization solutions

    Synology iSCSI storage fully supports most virtualization solutions to enhance work efficiency with easy management interface. VMware vSphere 6 and VAAI integration helps offload storage operations and optimizes computation efficiency. Windows Offloaded Data Transfer (ODX) speeds up data transfer and migration rate. OpenStack Cinder support turns your Synology NAS into a block-based storage component.


    Btrfs: Next generation storage efficiency

    The Btrfs file system introduces cutting-edge storage technologies and optimized snapshots to prevent data corruption and reduce maintenance overhead. While ensuring high-level data integrity, it also offers flexible, efficient data protection and recovery tools.

    Flexible Shared Folder/User Quota System provides comprehensive quota control on all user accounts and shared folders

    Snapshot Replication provides schedulable and storage capacity-saving data protection with 1,024 shared folder backups and 65,000 system-wide snapshots

    File or folder level data restoration makes data recovery fast and flexible

    Automatic file self-healing detects and recovers corrupted files without user intervention

    Powered by Synology DSM

    Synology High Availability

    Seamless transition between clustered servers in the event of a server failure to minimize the impact on applications.

    Learn more

    Hyper Backup

    Store multiple backup versions with block-level incremental data backup and cross-version deduplication.

    Synology Drive

    A versatile solution for file management and synchronization.

    Central Management System

    Manage multiple Synology NAS servers simultaneously on a centralized interface to increase business efficiency.

    Synology MailPlus

    Secure, reliable, and private mail server solution with an intuitive and modern mail client.

    Collaboration Suite

    Synology Office, Calendar and Chat guarantee a secure and high-performance private communication and user-friendly content organization.

    Data Sheet: