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Synology DiskStation DS1621xs+

On-premises cloud solution built for performance.

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    High-end scalable NAS in desktop form factor

    DS1621xs+ is a high-end NAS with server-class performance in a 6-bay desktop form factor. The built-in M.2 SSD cache slots, 10GbE port, expandable memory, and scalable storage design allow you to boost the performance of your NAS, making it ideal for small and medium-sized businesses that need an efficient and space-saving storage solution.

    On-Premises Cloud Solution Built for Performance

    DS1621xs+ supports every aspect of your business with powerful data management, collaboration, and networking tools topped off with well- rounded data protection mechanisms in a 6-bay desktop chassis. Built-in M.2 SSD cache slots, 10GbE connectivity, scalable storage, and Synology 5-year limited warranty make DS1621xs+ a future-proof choice to build on- premises cloud infrastructure.

    High-End Scalable Storage, Desktop Form Factor

    Synology DS1621xs+ offers great built-in functionality and easy hardware expandability, ideal for small and medium-sized businesses that need an efficient and space-saving storage solution.

    • A server-class 4-core processor and a maximum 32 GB DDR4 ECC memory ensure smooth handling of heavy workloads and multi-tasking operations.
    • Two M.2 2280 NVMe SSD slots let you take full advantage of Synology SSD Cache functionality. Add SSD cache for up to 20 times faster I/O response without using front drive bays.
    • One built-in 10GbE port provides fast data transmission and can be bonded with an additional 10GbE NIC for sequential read speeds over 3,100 MB/s.
    • Storage capacity can be increased to up to 16 drives with two Synology DX517 expansion units.

    Key Features

    • Built for High-Speed Connectivity – Combine built-in 10GbE and optional high-speed NIC for over 3,100 MB/s sequential read performance.
    • Boost Performance With SSD Cache – Built-in M.2 2280 NVMe SSD slots permit cache acceleration without using storage drive bays.
    • Flexibly Expand Storage Size – Flexibly scale up to 16 drives2 to increase storage capacity as demand grows.
    • Collaboration and Productivity Suite – Build an on-premises, multi-user collaboration environment with fine-grained controls.
    • Protect and Restore Data in a Snap – Back up critical data and reduce your Recovery Time Objective (RTO) with Snapshot Replication.
    • Leverage Native Virtualization Tools – Use virtualization storage tools to complete your SAN or run virtual machines on a full-featured hypervisor.
    • Fully Back Up Business Assets – Back up company data from PCs, public cloud, company servers, and virtual machines.

    What’s In The Box

    • DS1621xs+ main unit x 1
    • Quick Installation Guide x 1
    • Accessory pack x 1
    • AC power cord x 1
    • RJ-45 LAN cable x 2



    At Synology, we strive to re-define what a network-attached storage (NAS) can achieve with a thoroughly new digital experience. Dedicated to bring businesses and home users reliable and affordable ways to centralize data storage, simplify data backup, share and sync files across different platforms, and access data on-the-go.