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FlashStation · FS6420
Synology FlashStation FS6420 24-bay storage system
High-performance all-flash storage for demanding, high-throughput workloads.
- drive bays
- 24
- EPYC 7303
- 16-core
- ECC memory
- 64 GB
- network ports
- 2 × 10GbE
$33,948.60inc. GST
Available to orderShipped from distributor
Buying several or for a business? Get a quote
- Ordered in for youComes from the distributor, usually 3 to 7 business days, then tracked delivery Australia-wide.
- Sydney-based Synology specialistsQuestions answered by people in Sydney, usually the same business day.
- Genuine Australian stockSynology’s manufacturer warranty, handled locally. GST tax invoice on every order.
- Secure checkoutCard payments processed by Stripe. We never see or store your card details.
FlashStation
High-performance all-flash storage for demanding, high-throughput workloads.
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.
- drive bays
- 24
- EPYC 7303
- 16-core
- ECC memory
- 64 GB
- network ports
- 2 × 10GbE
Highlights
Why the FS6420 earns its place
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
FS6420
Connectivity
- RJ-45 10GbE LAN Port
- 2
- Out-of-Band Management LAN Port
- 1
- USB 3.2 Gen 1 Port
- 2
FS6420
Design and power
- Form Factor
- 2U
- Size
- 88 mm × 482 mm × 724 mm
- Weight
- 15.5 kg
- System Fan
- 80 mm × 80 mm × 4 pcs
- Fan Speed Mode
- Full-Speed Mode Cool Mode Quiet Mode
- Noise Level
- 53.0 dB(A)
Specifications
FS6420 technical specifications
As published by Synology. Check the latest data sheet before relying on a figure for a tender.
Data sheet and downloads on synology.comCPU6
- CPU Model
- AMD EPYC 7303
- CPU Quantity
- 1
- CPU Cores
- 16
- CPU Threads
- 32
- CPU Architecture
- 64-bit
- CPU Frequency
- 2.4 (base) / 3.4 (turbo) GHz
Memory4
- System Memory
- 64 GB DDR4 ECC RDIMM
- Memory Module Pre-installed
- 64 GB (64 GB × 1)
- Total Memory Slots
- 16
- Maximum Memory Capacity
- 1024 GB (64 GB × 16)
Storage1
- Drive Bays
- 24 × 2.5" SATA SSD
External Ports3
- RJ-45 10GbE LAN Port
- 2
- Out-of-Band Management LAN Port
- 1
- USB 3.2 Gen 1 Port
- 2
PCIe1
- PCIe Expansion
- 2 × Gen4 x16 slot (x16 link)
Appearance4
- Form Factor (RU)
- 2U
- Size (Height × Width × Depth)
- 88 mm × 482 mm × 724 mm
- Weight
- 15.5 kg
- Rack Installation Support
- 4-post 19" rack (Synology Rail Kit - )
Others8
- System Fan
- 80 mm × 80 mm × 4 pcs
- Fan Speed Mode
- Full-Speed Mode Cool Mode Quiet Mode
- Noise Level
- 53.0 dB(A)
- Power Supply Unit / Adapter
- 550 watts
- AC Input Power Voltage
- 100V to 240V AC
- Power Frequency
- 50/60 Hz, Single Phase
- Power Consumption
- 164.74 watts (Access)
- British Thermal Unit
- 561.76 BTU/hr (Access)
Temperature4
- Operating Temperature
- 0°C to 35°C (32°F to 95°F)
- Storage Temperature
- -20°C to 60°C (-5°F to 140°F)
- Operating Humidity
- 8% to 80% RH
- Storage Humidity
- 5% to 95% RH
General7
- Maximum Single Volume Size
- 1 PB (for RAID 6 groups only) 200 TB 108 TB
- Maximum Internal Volume Number
- 32
- Supported RAID Type
- RAID F1 Basic JBOD RAID 0 RAID 1 RAID 5 RAID 6 RAID 10
- RAID Migration
- Basic to RAID 1 Basic to RAID 5 RAID 1 to RAID 5 RAID 5 to RAID 6
- Volume Expansion with Larger HDDs
- RAID F1 RAID 1 RAID 5 RAID 6 RAID 10
- Volume Expansion by Adding a HDD
- RAID F1 JBOD RAID 5 RAID 6
- Global Hot Spare Supported RAID Type
- RAID F1 RAID 1 RAID 5 RAID 6 RAID 10
General2
- Internal Drives
- Btrfs
- External Drives
- Btrfs ext4 ext3 FAT32 NTFS HFS+ exFAT
General2
- File Protocol
- SMB AFP NFS FTP WebDAV Rsync
- Maximum Number of SMB Connections (FSCT-Based)
- 10,000
General4
- Maximum Local User Accounts
- 15,360
- Maximum Local Groups
- 512
- Maximum Shared Folder
- 512
- Maximum Shared Folder Sync Tasks
- 32
General1
- Hybrid Share Folder Number
- 30
General1
- Syslog Events per Second
- 3,000
Virtualization4
- VMware vSphere
- ESXi 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-V
- Windows Server 2025, Windows Server 2022
- Citrix XenServer
- XenServer 8.4, XenServer 8, Citrix Hypervisor 8.2 LTSR CU1
- OpenStack
- Cinder
General3
- Supported Protocols
- SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, Fibre Channel, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV
- Supported Browsers
- Chrome Firefox Edge Safari
- Supported Language
- English, 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 Console1
- Maximum De-Identification Rate
- 12,000 words per second
General1
- Maximum Number of Users
- 1,500
General2
- Maximum iSCSI Target Number
- 256
- Maximum LUN
- 512
General2
- Free Email Accounts
- 5
- Maximum Number of Users
- 25,000
General6
- Maximum Snapshots per Shared Folder
- 1,024
- Maximum Snapshots per LUN
- 256
- Maximum Snapshots per System
- 65,536
- Maximum Replication Tasks for Shared Folders
- 128
- Maximum Replication Tasks for LUNs
- 64
- Maximum Replication Tasks per System
- 128
General3
- Default Licenses
- 2
- 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
General2
- Maximum Number of Users
- 45,500
- Maximum Number of Hosted Files
- 100,000,000 (applies to files indexed or hosted by . For file access through other standard protocols, refer to the File Services section above)
General1
- Maximum Number of Users
- 39,600
General2
- Recommended Virtual Machine Instances
- 32
- Recommended Virtual DSM Number
- 32 (including 1 Free License)
General1
- Maximum Connections
- 32
Delivery Australia-wide
In-stock items are dispatched within one business day and tracked to your door. Shipping is calculated at checkout from your order’s weight (this item: 43 kg).
Rates and timesWarranty and returns
Genuine Australian stock with Synology’s manufacturer warranty, plus your rights under Australian Consumer Law. Claims are handled locally, not overseas.
Returns and warrantyHelp from Sydney
We are based in Sydney, NSW. Ask us to check compatibility, size a system or quote several units for a business site.
Ask a questionBefore you buy
Questions about the FS6420
Is this genuine Australian stock with local warranty?
Yes. It is sourced through Synology's Australian distribution and covered by Synology's manufacturer warranty, handled locally. Every order comes with a GST tax invoice.
How fast is delivery?
In-stock items are dispatched from Australian stock within one business day, then usually take 2 to 6 business days with tracking, depending on where you are. Items marked as ordered in come from the distributor and add roughly 3 to 7 business days.
Can I get a quote for several units or a business order?
Yes. We are based in Sydney and quote businesses and IT providers across Australia, usually the same business day. Use the question form on this page or the Business page.
Ask our Sydney team
Not sure the FS6420 is the right fit?
Tell us what you need to store and which systems you already run. A person in Sydney replies, usually the same business day.
- Compatibility checked against Synology’s lists
- Drive and memory recommendations for your bay count
- Quotes for several units or configured systems
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