Synology DS1821+, A High-Capacity Powerhouse
Synology DS1821+ Delivers Scalable, High-Performance Storage
The DS1821+ is an eight-bay network-attached storage system that Synology released in December 2020. It was made for businesses that need a lot of space, fast performance, and the ability to grow over time. Designed for multi-user environments and growing data demands, the DS1821+ fits well into modern IT strategies focused on data protection, backup consolidation, and performance optimization.
For organizations managing file services, virtualization workloads, or SaaS backups, this platform offers a flexible foundation that can evolve as requirements increase.
AMD Ryzen Power for Demanding Workloads
The DS1821+ is powered by a quad-core AMD Ryzen processor that delivers more than double the compute performance of its Intel-based predecessor. This improvement translates into faster response times across file services, collaboration tools, surveillance workloads, and backup operations.
In real-world environments, higher compute performance means reduced latency during peak usage and more consistent throughput when multiple users or services are active simultaneously. This is very important for businesses that use Synology Drive, Surveillance Station, or other data-heavy apps on a single computer.
NVMe Caching and High-Speed Networking
The DS1821+ has built-in support for two M.2 NVMe SSD cache drives, which makes it even faster. NVMe caching enables frequently accessed data to be served from flash instead of HDDs, significantly reducing access times and improving user experience. In many cases, this method greatly increases throughput without the need to switch to all-flash storage.
The system has a PCIe expansion slot that can hold optional 10GbE network interface cards for businesses that need better network performance. Upgrading to 10GbE allows the DS1821+ to support bandwidth-heavy workflows such as centralized backups, large file transfers, and multi-user collaboration environments.
Flexible Storage Growth Without Disruption
The DS1821+ provides eight drive bays out of the box and can be expanded to up to eighteen drives using compatible expansion units. This modular design allows organizations to scale capacity incrementally rather than overprovisioning upfront.
Powered by Synology DiskStation Manager, the system supports a range of RAID configurations, including Synology Hybrid RAID. SHR enables the use of mixed-capacity drives while maximizing usable storage, making it easier to reuse existing disks and control capital costs. DSM also allows live expansion of storage pools and upgrades to higher redundancy levels without service interruptions.
This flexibility is especially useful for businesses that are growing and need to scale up without downtime or having to do a lot of manual work.
Built-In Enterprise Data Protection
The DS1821+ comes with a full set of tools for protecting your data, in addition to storage and performance. Synology’s Active Backup Suite provides centralized protection for Windows and Linux systems, virtual machines running on VMware or Hyper-V, and SaaS platforms such as Microsoft 365 and Google Workspace.
Snapshot Replication makes shared folders and iSCSI LUNs safer by creating recovery points at specific times. This lets businesses quickly get back data after it has been accidentally deleted, corrupted, or attacked by ransomware. Hyper Backup extends protection further by enabling scheduled backups to secondary NAS devices, USB storage, or cloud destinations such as Synology C2 and other public cloud platforms.
Together, these features support a layered backup and recovery strategy aligned with modern business continuity requirements.
Strategic Fit for Today’s IT Settings
The DS1821+ is a good choice for enterprise storage because it combines performance, scalability, and built-in data protection in one platform. When properly designed and deployed, it can serve as a central hub for file services, backups, and private cloud workloads.
However, maximizing value requires careful planning around cache sizing, network upgrades, backup policies, and future expansion paths. A well-architected deployment ensures the system supports both current workloads and long-term growth.
About Epis Technology
Epis Technology helps businesses design and manage enterprise IT infrastructure built on Synology platforms. The company specializes in Synology consulting and support, large-scale storage solutions, Microsoft 365 and Google Workspace backups, and fully managed PC backups. Epis Technology helps businesses set up scalable storage architectures, improve performance, and make sure that data is safe and that business can continue.