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FlashStation · FS6420

Synology FlashStation FS6420 24-bay storage system

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

$33,948.60inc. GST
Available to orderShipped from distributor
Processor
AMD EPYC 7303
Memory
64 GB DDR4 ECC RDIMM
Bays
24 × 2.5" SATA SSD
10GbE LAN ports
2
Form Factor
2U
Data sheet and downloads on synology.com

About the FS6420

The Synology FlashStation FS6420 is a 2U 24bay all-flash storage system designed for I/Ointensive, latency-sensitive workloads. It offers comprehensive availability safeguards, making it ideal for applications requiring critical uptime. Powered by Synology DSM, the FS6420 provides reliable, easy-to-setup backup, file sharing, synchronization, and virtualization solutions.

Key points

  • 24-bay 2U all-flash rackmount NAS
  • AMD EPYC 7303 16-core / 32-thread processor
  • 64 GB DDR4 ECC RDIMM memory (expandable to 1 TB)
  • High-performance all-flash storage platform
  • Built-in dual 10GbE RJ-45 network ports
  • Supports SSD cache
  • Dual PCIe Gen4 x16 expansion slots for high-speed networking upgrades
  • Supports up to 1 PB single volume capacity

Specifications

As published by Synology for the FS6420. Confirm the latest data sheet before relying on a figure for a tender.

CPU
CPU ModelAMD EPYC 7303
CPU Quantity1
CPU Cores16
CPU Threads32
CPU Architecture64-bit
CPU Frequency2.4 (base) / 3.4 (turbo) GHz
Memory
System Memory64 GB DDR4 ECC RDIMM
Memory Module Pre-installed64 GB (64 GB × 1)
Total Memory Slots16
Maximum Memory Capacity1024 GB (64 GB × 16)
Storage
Drive Bays24 × 2.5" SATA SSD
External Ports
RJ-45 10GbE LAN Port2
Out-of-Band Management LAN Port1
USB 3.2 Gen 1 Port2
PCIe
PCIe Expansion2 × Gen4 x16 slot (x16 link)
Appearance
Form Factor (RU)2U
Size (Height × Width × Depth)88 mm × 482 mm × 724 mm
Weight15.5 kg
Rack Installation Support4-post 19" rack (Synology Rail Kit - )
Others
System Fan80 mm × 80 mm × 4 pcs
Fan Speed ModeFull-Speed Mode Cool Mode Quiet Mode
Noise Level53.0 dB(A)
Power Supply Unit / Adapter550 watts
AC Input Power Voltage100V to 240V AC
Power Frequency50/60 Hz, Single Phase
Power Consumption164.74 watts (Access)
British Thermal Unit561.76 BTU/hr (Access)
Temperature
Operating Temperature0°C to 35°C (32°F to 95°F)
Storage Temperature-20°C to 60°C (-5°F to 140°F)
Operating Humidity8% to 80% RH
Storage Humidity5% to 95% RH
Warranty
Optional Accessories
Maximum Single Volume Size1 PB (for RAID 6 groups only) 200 TB 108 TB
Maximum Internal Volume Number32
Supported RAID TypeRAID F1 Basic JBOD RAID 0 RAID 1 RAID 5 RAID 6 RAID 10
RAID MigrationBasic to RAID 1 Basic to RAID 5 RAID 1 to RAID 5 RAID 5 to RAID 6
Volume Expansion with Larger HDDsRAID F1 RAID 1 RAID 5 RAID 6 RAID 10
Volume Expansion by Adding a HDDRAID F1 JBOD RAID 5 RAID 6
Global Hot Spare Supported RAID TypeRAID F1 RAID 1 RAID 5 RAID 6 RAID 10
Internal DrivesBtrfs
External DrivesBtrfs ext4 ext3 FAT32 NTFS HFS+ exFAT
File ProtocolSMB AFP NFS FTP WebDAV Rsync
Maximum Number of SMB Connections (FSCT-Based)10,000
Maximum Local User Accounts15,360
Maximum Local Groups512
Maximum Shared Folder512
Maximum Shared Folder Sync Tasks32
Hybrid Share Folder Number30
Syslog Events per Second3,000
Virtualization
VMware vSphereESXi 8.0 U2, ESXi 8.0 U1, ESXi 8.0, ESXi 7.0 U3, ESXi 7.0 U2, ESXi 7.0 U1, ESXi 7.0, ESXi 6.7 U3, ESXi 6.7 U2, ESXi 6.7 U1, ESXi 6.7, ESXi 6.5 U3, ESXi 6.5 U2, ESXi 6.5 U1, ESXi 6.5
Microsoft Hyper-VWindows Server 2025, Windows Server 2022
Citrix XenServerXenServer 8.4, XenServer 8, Citrix Hypervisor 8.2 LTSR CU1
OpenStackCinder
Supported ProtocolsSMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, Fibre Channel, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV
Supported BrowsersChrome Firefox Edge Safari
Supported LanguageEnglish, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, ภาษาไทย, 日本語, 한국어, 繁體中文, 简体中文
Synology AI Console
Maximum De-Identification Rate12,000 words per second
Maximum Number of Users1,500
Maximum iSCSI Target Number256
Maximum LUN512
Free Email Accounts5
Maximum Number of Users25,000
Maximum Snapshots per Shared Folder1,024
Maximum Snapshots per LUN256
Maximum Snapshots per System65,536
Maximum Replication Tasks for Shared Folders128
Maximum Replication Tasks for LUNs64
Maximum Replication Tasks per System128
Default Licenses2
Maximum IP Cameras and Total FPS (H.264)1080p: 485 channels, 4850 FPS 3M: 450 channels, 4500 FPS 5M: 300 channels, 3000 FPS 4K: 220 channels, 2200 FPS
Maximum IP Cameras and Total FPS (H.265)1080p: 520 channels, 15600 FPS 3M: 485 channels, 4850 FPS 5M: 450 channels, 4500 FPS 4K: 300 channels, 3000 FPS
Maximum Number of Users45,500
Maximum Number of Hosted Files100,000,000 (applies to files indexed or hosted by . For file access through other standard protocols, refer to the File Services section above)
Maximum Number of Users39,600
Recommended Virtual Machine Instances32
Recommended Virtual DSM Number32 (including 1 Free License)
Maximum Connections32

Shipping

In-stock items leave our Australian warehouse within one business day. Order-in items usually arrive in 3 to 7 business days from the distributor. Shipping is calculated at checkout from the weight of your order (this item: 43 kg).

Shipping details

Warranty

Genuine Australian stock with Synology's manufacturer warranty, serviced locally. Warranty terms are on the Synology data sheet for this model.

Returns and warranty

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