Synology DS423 DiskStation 4-bay

CPU
CPU Model Realtek RTD1619B
CPU Quantity 1
CPU Architecture 64-bit
CPU Frequency 4-core 1.7 GHz
Hardware Encryption Engine
Memory
System Memory 2 GB DDR4 non-ECC
Notes 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.
Storage
Drive Bays 4
Compatible Drive Type* (See all supported drives)

3.5" SATA HDD
2.5" SATA SSD
NON-Hot Swappable Drive!

External Ports
RJ-45 1GbE LAN Port* 2 (with Link Aggregation / Failover support)
USB 3.2 Gen 1 Port* 2
Notes

This device's 1GbE LAN ports have a maximum transmission unit (MTU) size of 1,500 bytes.
The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019.

File System
Internal Drives

Btrfs
EXT4

External Drives

Btrfs
EXT4
EXT3
FAT
NTFS
HFS+
exFAT

Appearance
Size (Height x Width x Depth) 184 mm x 168 mm x 230 mm
Weight 2.21 kg
Others
System Fan 80 mm x 80 mm x 2 pcs
Fan Speed Mode

Full-Speed Mode
Cool Mode
Quiet Mode

Brightness Adjustable Front LED Indicators
Power Recovery
Noise Level* 20.6 dB(A)
Scheduled Power On / Off
Wake on LAN / WAN
Power Supply Unit / Adapter 90 W
AC Input Power Voltage 100V to 240V AC
Power Frequency 50/60 Hz, Single Phase
Power Consumption 32.41 W (Access)
4.97 W (HDD Hibernation)