Synology SA6400


SA Series RackStation SA6400

Handle growing data storage demands with ease

CPU: AMD EPYC 7272 2.9 (base) / 3.2 (turbo) GHz

RAM: 32 GB DDR4 ECC RDIMM (Max 1024GB)

RJ-45 10GbE LAN Port x2

RJ-45 Gigabit LAN Port x4

Out-of-Band Management LAN Port x1

Max. Number of LAN Ports = 15

USB 3.2 Gen 1 Port x2

Expansion Port x8

PCIe Gen3 x8 slot x2

Redundant Power Supply

5 Years Warranty

----- Reference -----

Synology SA6400 12 Bays NAS, Handle growing data storage demands with ease, CPU: AMD EPYC 7272 2.9 (base) / 3.2 (turbo) GHz, RAM: 32 GB DDR4 ECC RDIMM (Max 1024GB), RJ-45 10GbE LAN Port x2, RJ-45 Gigabit LAN Port x4, Out-of-Band Management LAN Port x1, Max. Number of LAN Ports = 15, USB 3.2 Gen 1 Port x2, Expansion Port x8, PCIe Gen3 x8 slot x2, Redundant Power Supply, 5 Years Warranty

Drive Bays : 12-Bays NAS
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Synology SA6400

Handle growing data storage demands with ease

Expand and adjust


Up to 1.9 PB with 8 x RX1223RP expansion units

Fast and reliable


Over 6,500/4,000 MB/s sequential read/write1


Optional 25/40GbE or Fibre Channel connectivity

Advanced networking options

The SA6400 has the flexibility to accommodate different operating environments.

Built-in fast connectivity

Two 10GbE RJ-45 ports provide rapid transfer speeds right out of the box.

Configurable networking options

Add up to 2 extra 10GbE SFP+/RJ-45, 25GbE SFP28, or Fibre Channel ports in varying configurations.3

Failover and network balancing

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

Synology has you covered

The SA6400 is backed by Synology's 5-year limited warranty,6 including technical support and hardware replacement services to maximize your return on investment and ensure continued high-quality performance. Learn more

Synology has you covered

Backed by Synology hard drives

Engineered to handle high-intensity workloads, Synology hard drives consistently deliver top-grade performance.

Enterprise Series 3.5" SAS
Enterprise Series 3.5" SATA


productSA6400front view photo
productSA6400back view photo

Power Button and Indicator

Status Indicator

Alert Indicator

Mute Button

Drive Status Indicators

Drive Trays

Rail Kit Release Tabs

PSU Fans

Power Ports

10  PSU Indicators

11  Expansion Ports

12  PCIe Expansion Slots

13  Reset Button

14  Console Port

15  Management Port

16  USB 3.2 Gen 1 ports

17  1GbE RJ-45 ports

18 10GbE RJ-45 ports

Hardware Specifications

CPU Model AMD EPYC 7272
CPU Quantity 1
CPU Core 12
CPU Architecture 64-bit
CPU Frequency 2.9 (base) / 3.2 (turbo) GHz
Hardware Encryption Engine
System Memory 32 GB DDR4 ECC RDIMM
Memory Module Pre-installed 32 GB (32 GB x 1)
Total Memory Slots 16
Maximum Memory Capacity 1024 GB (64 GB x 16)
  • Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical 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.
  • Installing memory modules with differing capacities is not recommended. Check the Hardware Installation Guide of your Synology product for recommended memory configurations.
Drive Bays 12
Maximum Drive Bays with Expansion Unit 108 (RX1223RP x 8)
Compatible Drive Type* (See all supported drives)
  • 3.5" SATA HDD
  • 2.5" SATA SSD
Hot Swappable Drive*
  • Synology only guarantees full functionality, reliability, and performance for Synology drives listed on the compatibility list. The use of non-validated components may limit certain functionality and result in data loss and system instability.
  • "Compatible drive type" indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay.
External Ports
RJ-45 1GbE LAN Port 4 (with Link Aggregation / Failover support)
RJ-45 10GbE LAN Port 2 (with Link Aggregation / Failover support)
Out-of-Band Management LAN Port 1
Max. Number of LAN Ports 15
USB 3.2 Gen 1 Port* 2
Expansion Port 8
Notes The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019.
PCIe Expansion 2 x Gen3 x8 slots (x8 link)
Form Factor (RU) 2U
Size (Height x Width x Depth) 88 mm x 482 mm x 724 mm
Weight 16.5 kg
Rack Installation Support* 4-post 19" rack (Synology Rail Kit - RKS-02)
Notes The rail kit is sold separately
System Fan 80 mm x 80 mm x 4 pcs
Fan Speed Mode
  • Full-Speed Mode
  • Cool Mode
  • Quiet Mode
Easy Replacement System Fan
Power Recovery
Noise Level* 55.5 dB(A)
Scheduled Power On / Off
Wake on LAN / WAN
Power Supply Unit / Adapter 550 W
Redundant Power Supply
AC Input Power Voltage 100V to 240V AC
Power Frequency 50/60 Hz, Single Phase
Power Consumption 180.5 W (Access)
88.56 W (HDD Hibernation)
British Thermal Unit 615.89 BTU/hr (Access)
302.18 BTU/hr (HDD Hibernation)
  • 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%.
Operating Temperature 0°C to 35°C (32°F to 95°F)
Storage Temperature -20°C to 60°C (-5°F to 140°F)
Relative Humidity 5% to 95% RH
  • FCC
  • CE
  • BSMI
  • VCCI
  • RCM
  • UKCA
  • EAC
  • CCC
  • KC
  • UL
5 Years
Notes The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)
RoHS Compliant
Packaging Content
  • Main Unit X 1
  • Accessory Pack X 1
  • AC Power Cord X 2
  • Quick Installation Guide X 1
Optional Accessories
Notes All memory modules will operate at the maximum frequency specified by the CPU manufacturer.
: SA6400
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