Powerful, scalable, and versatile
Synology DS1621+ is a powerful and compact 6-bay network attached storage solution designed to store and protect critical data assets. Today’s growing amount of unstructured data requires smarter and increasingly higher performance methods of storing, accessing, and collaborating. Designed for scalability, the DS1621+ enables you to start small, then expand as your data grows.
Quad-core 2.2 GHz
Dual M.2 2280 slots for NVMe Cache
110K, 174% higher 4K random read IOPS1
Expand up to 16 drives with two DX517 expansion units
Faster in everything
The DS1621+ is faster in just about everything you can imagine. Get things done quicker through Synology Drive and faster and smoother photos management with Synology Moments.1
Synology Drive Moments Web server Transfer Performance
faster in file indexing
faster in photo indexing
faster PHP response
faster random IOPS
Turbocharge and supersize it
Upgrade your DS1621+ to match your data requirements, whether it is for faster networking or for higher storage capacity.
M.2 SSD support
Enable ultra-fast NVMe cache to accelerate HDD arrays by 20X or more
Add in faster SFP+ or RJ-45 networking to turbocharge existing workflows
Supports two DX517 expansion units for a total of 16 bays
Ultimate file management and sharing
File Station is a web-based, fast and secure management tool built to allow easy, drag-and-drop operations without requiring any complex setup on Mac or PC. Advanced search and filtering tools allow for easy organization and file sharing. For complete compatibility, DS1621+ supports the following protocols: AFP, FTP, iSCSI, NFS, SMB, and WebDAV.
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.
Ultimate Backup Solution
DS1621+ integrates various backup applications into an intuitive user interface, offering durable storage technologies to safeguard your valuable data on any device.
Active Backup for Business
Centralize backup tasks for VMware, Windows, and file servers. Restore whatever you want fast and reliably when needed.
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.
Safeguard your computer with Synology Drive Client. Effortlessly perform real-time data backups and point-in-time file recovery.
Active Backup for
Microsoft 365 / G Suite
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 365G Suite
Engineered for reliability, backed by Synology
DS1621+ 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. Learn more
Powered by Synology DiskStation Manager
Central Management System
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.
Synology High Availability
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.
Complete surveillance solution for recording, monitoring, and management.
Works best with Synology drives
Engineered to handle intensive 24/7 workloads, Synology drives consistently deliver top-grade performance.
- 1Status indicator
- 2Alert indicator
- 3Power button and indicator
- 4LAN indicator
- 5Drive status indicator
- 6Drive tray
- 7Drive tray lock
- 8USB 3.2 Gen 1 port
- 9System fan
- 10Power port
- 11Kensington Security Slot
- 121GbE RJ-45 port
- 13Reset button
- 14Expansion port
- 15PCIe expansion slot