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.
Highlights
- Accelerated Performance 174% higher 4K random read IOPS and 76% faster sequential write speeds compared to its predecessor
- Maximize Performance
Turbocharge HDD arrays without occupying drive bays using dual built-in M.2 slots for NVMe SSD cache
- Easy Storage Expansion
Scale-up on-demand to 16 drives with two DX517 expansion units
- Includes Everything to Protect Your Data
Back up critical data to and from public clouds, Windows PCs and servers, virtual machines, and data
on the NAS with Synology Active Backup suite, Hyper Backup, and Snapshot Replication
- Ready for 10/25GbE
Supports 10GbE SFP+ / RJ-45 and 25GbE SFP28 NICs to instantly increase network bandwidth based on your infrastructure
The performance you need
Reduce transfer times with the DS1621+, designed to accelerate your workloads. Easily add faster networking and NVMe drives to further boost performance.
Up to 2,323/1,434 MB/s read/write2
Up to 25GbE networking3
2 x M.2 NVMe cache & storage pool4
Storage that fits your needs
Make the most of high-performance networking and file access without taking up unnecessary space. DS1621+ comes equipped with 6 bays and can scale up to 16 bays with 2 DX517 expansion units as your data needs grow.5
6 bays 100 TB 
16 bays 260 TB
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.
DS1621+
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.
