An affordable network-attached storage (NAS) device from Synology (DiskStation DS223j model) with two drive bays, designed for homes and small offices that need a centralized storage and file-sharing solution. Equipped with a Realtek quad-core processor running DSM with support for Btrfs and ext4 file systems, and RAID levels—ideal for backup, file sharing, and camera monitoring.

Key Features:

Centralized storage with full data ownership and cross-platform access.

Advanced Btrfs file system with self-healing, data snapshots, and fast cloning.

Secure sharing and synchronization for access and sharing from anywhere with cross-device file synchronization.

Simple data protection and library backup to multiple destinations.

Versatile camera monitoring for flexible facility security.

Technical Specifications:

Processor: Realtek RTD1619B (4 cores) – 1.7 GHz – 64-bit

System Memory: 1 GB DDR4 non-ECC

Drive Bays: 2

Supported Drive Types: 3.5″ SATA HDD, 2.5″ SATA SSD (with optional bracket)

Network Ports: 1 × RJ-45 1GbE

USB Ports: 2 × USB 3.2 Gen 1

Supported RAID Types:

Synology Hybrid RAID (SHR)

Basic, JBOD, RAID 0, RAID 1

Maximum internal capacity: 108 TB

Maximum number of internal volumes: 64

Maximum number of local users: 256

Maximum number of shared folders: 64

Concurrent SMB connections: 5

Snapshots per shared folder: 128

Snapshots per system: 1,024

Synology Drive app: 5 users, 100,000 files

Synology Office app: 5 users

Surveillance Station: 2 free licenses

Supports up to 12 1080p cameras (H.264/H.265) at 360 fps

Supports up to 12 4K cameras (H.265) at 200 fps

(VPN Server): 2 simultaneous connections

Applications:

Home use (file, photo, and video storage)

Small offices (file sharing and backup)

Simple surveillance system (IP cameras)

Private cloud storage

Device and data backup