CAS-NASBOX-DS223J specification sheet

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Overview:

DiskStation DS223j - Compact, quiet, and energy-efficient storage
Anywhere, anytime secure access to all your data.

Easy sharing and syncing
Safely access and share files and media from anywhere.

Comprehensive data protection
Hardware and software engineered to protect your data - trusted by millions.

Features:

Built for sharing
DS223j is designed for small teams to share, sync, and collaborate more efficiently.

Multi-platform file access
Manage your files and media from anywhere with Synology Drive . Available on PC, Mac, Linux, Chromebook, Android, iOS, or any device equipped with a browser.

Real-time collaboration
Stay productive while working in a team or with your clients. Work together across different platforms using Synology Office .

Sync across sites
Keeping data synced between different sites has never been easier. Synology Drive ShareSync keeps files and folders synchronized across Synology systems.

Seamless synchronization to clouds
Sync files between your private cloud and public cloud storage platforms, including Google Drive, Dropbox, Microsoft OneDrive, and more with Synology Cloud Sync . Retain local copies of your cloud data to centralize management and achieve data ownership.

Your data in safe hands with Btrfs
The advanced Btrfs file system helps safeguard data against corruption through file self-healing and allows for the reversal of unintentional or malicious changes through fast snapshot technology.

Store, share, and protect
Configure your DS223j to manage all your documents, photos, and other files, or protect your physical assets with professional video surveillance.

Specifications:

©2026 Respective owners and brand holders. This table has been carefully researched and generated by ComXpert International CC (//www.comx.co.za), however, errors and omissions may occur. Only references to South Africa apply. All products are sourced in South Africa from the official suppliers and the warranty is that of the local supplier. E&OE. This table and our site's content may be used on condition that this notice and link remains intact and unaltered.
Specifications
Product Code	CAS-NASBOX-DS223J
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.
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
Certification	FCC
	CE
	BSMI
	VCCI
	RCM
	UKCA
	EAC
	CCC
	KC
Environment
Environment	RoHS Compliant
Packaging Content
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
Optional Accessories	Plus Series 3.5" SATA HDD: HAT3300 Series
	Disk Holder: Type C