The 8-bay Synology DS1821+ is aimed at IT enthusiast and SMB customers looking for a powerful and scalable storage solution, its business-grade backup solutions keep users safe and protected from potential data loss, while major improvements to compute capabilities and throughput means workloads are finished faster than ever before.
AMD Ryzen™
Quad-core 2.2 GHz
Dual M.2 2280 slots for NVMe Cache
113K 4K random read IOPS1
Expand up to 18 drives
with two DX517 expansion units
Reduce transfer times with the DS1821+, designed to accelerate your workloads. Easily add faster networking and NVMe drives to further boost performance.
Up to2,322/1,460 MB/sread/write2
Up to10GbEnetworking3
2 x M.2NVMecache & storage pool4
Make the most of high-performance networking and file access without taking up unnecessary space. DS1821+ comes equipped with 8 bays and can scale up to 18 bays with 2 DX517 expansion units as your data needs grow.5
5 bays15 bays
108 TB252 TB
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.
DS1821+ integrates various backup applications into an intuitive user interface, offering durable storage technologies to safeguard your valuable data on any device.
Centralize backup tasks for VMware, Windows, and file servers. Restore whatever you want fast and reliably when needed.
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Comprehensively back up your data to a local shared folder, an external device, another Synology NAS, an rsync server, or a public cloud to ensure data safety.
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Safeguard your computer with Synology Drive Client. Effortlessly perform real-time data backups and point-in-time file recovery.
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Protect corporate data stored on the cloud. On-premise backup solution with a centralized dashboard. Optimize storage efficiency with single instancing and block-level deduplication technology.
Microsoft 365Google Workspace
DS1821+ is designed to reliably store your data and is backed by Synology's three-year hardware warranty. An optional two-year extended warranty is available in select regions for up to five years of coverage.
Conveniently manage your fleet of Synology NAS from a centralized console.
Secure, reliable, and private mail server solution with an intuitive and modern mail client.
Seamless transition between clustered servers in the event of a server failure to minimize the impact on applications.
Secure data with comprehensive built-in security tools to protect your devices against evolving threats.
Instantly access your NAS files across multiple devices whenever you want, wherever you are.
Intelligent and comprehensive surveillance solution to record and monitor your environment.
Engineered to handle intensive 24/7 workloads, Synology drives consistently deliver top-grade performance.
