Synology FS6420 24-Bay FlashStation NAS Rackmount Storage Server

Modern enterprises demand storage that keeps pace with virtualization, high-performance databases, and real-time analytics. The Synology FS6420 24-bay FlashStation NAS delivers exceptional all-flash performance in a dense 2U rackmount form factor, eliminating I/O bottlenecks and accelerating business-critical workloads.

Who is it for

This storage server is built for IT professionals and organizations that require ultra-low latency and high IOPS for virtualized environments, online transaction processing, and data-intensive applications. It suits medium to large businesses seeking a reliable, scalable, and energy-efficient storage solution.

Main features

• 24 hot-swappable 2.5" drive bays supporting SAS/SATA SSDs and HDDs for flexible all-flash or hybrid configurations.
• Powered by an Intel Xeon D-2131 6-core processor with 32 GB DDR4 ECC RDIMM (expandable to 512 GB) for robust multitasking.
• Dual 10GbE and dual 1GbE RJ-45 ports deliver high-speed network connectivity for demanding workloads.
• Outstanding performance: over 680,000 random read IOPS and 240,000 random write IOPS.
• Supports RAID F1, Basic, JBOD, RAID 0, 1, 5, 6, and 10 for data protection and performance optimization.
• Runs on Synology DiskStation Manager (DSM), offering an intuitive interface and a rich ecosystem of applications.
• Dual redundant 800W power supplies ensure continuous operation and minimize downtime.
• Includes two PCIe Gen3 x8 slots for additional network or NVMe cache expansion.
• Backed by a 5-year limited warranty for peace of mind.

Specifications

• Form factor: 2U rackmount
• Processor: Intel Xeon D-2131 (6-core, 2.2 GHz, burst up to 3.0 GHz)
• Memory: 32 GB DDR4 ECC RDIMM, expandable to 512 GB
• Drive bays: 24 x 2.5" SAS/SATA SSD/HDD, hot-swappable
• Network interfaces: 2 x 10GbE RJ-45, 2 x 1GbE RJ-45
• PCIe expansion: 2 x Gen3 x8 slots
• Max raw capacity: 368.64 TB (with 15.36 TB SSDs)
• Supported RAID levels: RAID F1, Basic, JBOD, RAID 0, 1, 5, 6, 10
• Operating system: Synology DiskStation Manager (DSM)
• Internal file systems: Btrfs, EXT4
• Power supply: Dual redundant 800W
• USB ports: 2 x USB 3.2 Gen 1
• Random read IOPS: Over 680,000
• Random write IOPS: Over 240,000
• Warranty: 5-year limited

Tips

For optimal performance, populate all drive bays with enterprise-grade SSDs and configure RAID 5 or RAID F1 for a balance of speed and redundancy. Leverage the dual 10GbE ports with link aggregation to maximize throughput in virtualized environments.