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Synology FS3420
The Synology FlashStation FS3420 is a 2U 24‑bay all‑flash storage system designed for I/O‑intensive, latency‑sensitive workloads. It offers comprehensive availability safeguards, making it ideal for applications requiring critical uptime. Powered by Synology DSM, the FS3420 provides reliable, easy‑to‑set‑up backup, file sharing, synchronization, and virtualization solutions.
Product Information
-
CPU
CPU Model
Intel Xeon D-1739
CPU Quantity
1
CPU Cores
8
CPU Threads
16
CPU Architecture
64-bit
CPU Frequency
3.0 (base) / 3.5 (turbo) GHz
Hardware Encryption Engine
Memory
System Memory
32 GB DDR4 ECC RDIMM
Memory Module Pre-installed
32 GB (32 GB × 1)
Total Memory Slots
6
Maximum Memory Capacity
192 GB (32 GB x 6)
Notes
- Synology may revise pre-installed memory module specifications in response to component lifecycle and supply conditions. All revised components undergo the same rigorous validation to ensure equivalent compatibility, stability, and performance.
- Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion.
- For information about recommended memory configurations, please check the Product Manual of your Synology product.
Storage
Drive Bays
24
Drive Type (See all supported drives)
2.5" SATA SSD
Hot Swappable Drive*
Notes
Compatible drives are mandatory. Please consult our compatibility list before purchasing hard drives. For more details, please refer to this article.
External Ports
RJ-45 10GbE LAN Port
2
Out-of-Band Management LAN Port
1
USB 3.2 Gen 1 Port
2
PCIe
PCIe Expansion
2 x Gen4 x8 slot (x8 link)
Appearance
Form Factor (RU)
2U
Size (Height x Width x Depth)
88 mm × 482 mm × 724 mm
Weight
15.0 kg
Rack Installation Support*
4-post 19" rack (Synology Rail Kit - RKS-02)
Notes
The rail kit is sold separately
Others
System Fan
80 mm × 80 mm × 4 pcs
Fan Speed Mode
- Full-Speed Mode
- Cool Mode
- Quiet Mode
Easy Replacement System Fan
Power Recovery
Noise Level*
37.8 dB(A)
Scheduled Power On / Off
Wake on LAN / WAN
Power Supply Unit / Adapter
550 watts
Redundant Power Supply
AC Input Power Voltage
100V to 240V AC
Power Frequency
50/60 Hz, Single Phase
Power Consumption
122.0 watts (Access)
British Thermal Unit
416.02 BTU/hr (Access)
Notes
- For more information on how power consumption is measured, refer to this article.
- Noise testing was conducted with the Synology system fully installed with Synology SATA SSDs and in an idle state. Two G.R.A.S. type 40AE microphones were placed at a 1 m distance from the front and rear of the device. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%.
Temperature
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
Certification
- FCC
- CE
- BSMI
- VCCI
- RCM
- UKCA
- EAC
- CCC
- KC
- BIS
- UL
Warranty
5 Years
Notes
The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)
Environment
RoHS Compliant
Packaging Content
- Main Unit X 1
- Accessory Pack X 1
- C13 to C14 power cord X 2
- Front Cover X 1
Optional Accessories
- DDR4 ECC RDIMM: D4ER03-32G
- Enterprise Series 2.5" SATA SSD: SAT5200 Series
- 25GbE Network Interface Card: E25G30-F2
- 10GbE Network Interface Card: E10G30-F2/E10G30-T2/E10G30-T1
- Rail Kit Sliding: RKS-02
Specifications
| Warranty | 5 Years |
| Drive Bays | 24 |
| Form factor | 2.5" SATA SSD |
| Memory Type | DDR4 |
| Scalable | Yes |
| Unit Dimensions (W x H x D mm) | 482 mm x 88 mm x 724 mm |
| USB Port | 2 x USB 3.2 |
| Weight (Kg) | 15.0 kg |