Quick Overview

DiskStation DS223j

Hardware Specs

CPU

CPU Model: Realtek RTD1619B

CPU Quantity: 1

CPU Architecture: 64-bit

CPU Frequency: 4-core 1.7 GHz

Hardware Encryption Engine: yes

Memory

System Memory: 1 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: 2

Compatible Drive Type* (See all supported drives):
3.5" SATA HDD
2.5" SATA SSD (with optional 2.5" Disk Holder)

Hot Swappable Drive*: -

Notes: "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: 1

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

Notes: Btrfs file system is available from DSM 7.2-64570.

Appearance

Size (Height x Width x Depth): 165 mm x 100 mm x 225.5 mm

Weight: 0.88 kg

Others

System Fan: 92 mm x 92 mm x 1 pcs

Fan Speed Mode:
Full-Speed Mode
Cool Mode
Quiet Mode
Low-power Mode

Brightness Adjustable Front LED Indicators: yes

Power Recovery: yes

Noise Level*: 18.2 dB(A)

Scheduled Power On / Off: yes

Wake on LAN / WAN: yes

Power Supply Unit / Adapter: 60 W

AC Input Power Voltage: 100V to 240V AC

Power Frequency: 50/60 Hz, Single Phase

Power Consumption: 16.31 W (Access)
4 W (HDD Hibernation)

British Thermal Unit: 55.62 BTU/hr (Access)
13.64 BTU/hr (HDD Hibernation)

Notes:
For more information on how power consumption is measured, refer to this article.
Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. 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 40°C (32°F to 104°F)

Storage Temperature: -20°C to 60°C (-5°F to 140°F)

Relative Humidity: 5% to 95% RH

Certification

FCC
CE
BSMI
VCCI
RCM
UKCA
EAC
CCC
KC

Environment

RoHS Compliant

Packaging Content

Main Unit X 1
Accessory Pack X 1
AC Power Adapter X 1
AC Power Cord X 1
RJ-45 LAN Cable X 1
Quick Installation Guide X 1

Optional Accessories

3.5" SATA HDD: HAT3300
Surveillance Device License Pack
Disk Holder: Type C