The scalable NAS system of professional level in a desktop form factor, DS1621xs+, is a professional-grade NAS system with server-class performance in a desktop form factor featuring 6 bays. Built-in M.2 slots for SSD caching, a 10GbE port, expandable memory, and a scalable storage system allow you to enhance the performance of your NAS device, making it an ideal solution for small and medium-sized businesses that need an efficient and compact data storage solution. Ensure high performance of your storage The DS1621xs+ comes with built-in M.2 slots for SSD caching, which can reduce I/O response times by 20 times compared to hard drives without using primary disk bays. The built-in 10GbE port provides fast data transfer and can be linked with an additional network card to increase network bandwidth. Unmatched backup solutions The DS1621xs+ includes built-in backup applications and an intuitive interface. This solution supports reliable storage technologies to protect critical data on any device. Real-time collaboration in a private cloud Synology Office is a dedicated collaboration suite that combines the convenience of public cloud environments with the privacy and security of private cloud storage. It allows you to collaborate on documents and spreadsheets in a secure environment. Virtual Machine Manager Test new software versions in a "sandbox" environment, manage resources through a single interface, and enhance deployment flexibility with Synology Virtual Machine Manager. Run instances of Windows, Linux, and Virtual DSM on your Synology NAS device with just a few simple steps.