Synology FlashStation FS6420 NAS/storage server

High-performance all-flash storage for demanding, high-throughput workloads.

Accelerate your essential workloads

FS6420 delivers the performance and reliability you need to accelerate your demanding workloads and data services.

Flexible, high-performance network connectivity

The FS6420 supports a wide range of networking interfaces, protocols, and configurations for seamless integration into enterprise environments.
Built-in fast connectivity

Two 10GbE RJ-45 ports provide excellent networking performance right out of the box.
Flexible networking options5

Improve I/O performance or add redundancy with optional 10GbE or 25GbE SFP+/SFP28 and 10GbE Ethernet NICs, or Fibre Channel HBAs.
Failover and network balancing

Bond multiple network interfaces with Link aggregation to enable automatic network failover and load balancing.

Storage efficiency
Synology Tiering automatically moves infrequently accessed data from the FS6420 to cost-efficient tiers, balancing performance and capacity to maximize storage ROI. Flexible tiering policies, broad target support, and clear visibility into data usage help you adapt quickly to changing business needs.

VM Block & File Storage
Deploy and manage storage operations in various virtualization environments with certified support for VMware® vSphere™, Microsoft® Hyper-V®, and Citrix® XenServer™.

Container & VM hosting

Container Manager enables easy deployment and management of Docker‑based containers on Synology systems, providing scalability and simplified management for thousands of apps. For full virtualization, Virtual Machine Manager (VMM) enables Windows®, Linux®, and DSM environments to run as isolated, flexible virtual machines, giving businesses the freedom to test, develop, and run diverse workloads securely on a single Synology system.

Collaboration in a secure cloud, assisted by AI

Enhance workplace collaboration with Synology Office Suite. Create, edit, and share documents across teams in real time. Host an on-premises mail server to provide web-based email access while maintaining full data ownership.8 Additionally, stay connected through secure one-on-one chats, public channels, encrypted private channels, and group conversations. AI assistance enhances productivity across apps, with support for leading AI providers via API key integration.

Intuitive storage for on-site and remote teams

Provide secure and convenient cross-platform tile access, sharing, and synchronization across multiple locations.

A secure private cloud solution for enterprise collaboration
Empower your entire organization with streamlined access, sharing, and syncing of data from any location. Establish granular control over file and folder access and sharing permissions. Maintain a comprehensive audit trail of file activities and track changes to file share settings with detailed records.

Efficient multi-site synchronization
Empower global workflows with high-speed access to data from anywhere in your network. Our hybrid cloud solution caches frequently used files locally for rapid access, while less frequently accessed data is stored in the cloud, reducing your on-site storage requirements.

Comprehensive backup solutions
Securely back up a wide range of systems including Windows, Mac, and Linux endpoints, VMware® and Hyper-V® virtual machines, and Synology servers. Expand protection to physical servers running Windows or Linux, as well as storage solutions such as Nutanix Files, NetApp ONTAP, and Windows Server with VSS (Volume Shadow Copy Service). Built-in deduplication technology optimizes storage efficiency, while multi-versioning capabilities provide flexible restoration options.

Advanced data protection and recovery
Back up entire systems or all data, applications, and configurations to a wide range of storage destinations, including Synology C2 Storage.9 In case of data loss, quickly restore complete systems through bare-metal recovery or retrieve individual files as needed. Advanced features including automated scheduling, granular access controls, end-to-end encryption, data deduplication, and multi-version retention empower you to create the optimal backup plan for your data deployment.

Centralized monitoring and management

Monitor and manage your Synology fleet from a central interface, on-prem or in the cloud.

Backed by Synology drives

Leverage high sustained performance and reliability with enterprise-grade drives designed specifically for Synology systems.4 Take advantage of advanced features such as volume-wide data deduplication, lifetime analytics, and seamless firmware upgrades.

Hard drives designed for Synology

See how Synology hard drives deliver reliability, consistent performance, and simplified system management through deep hardware-software integration.