Synology DiskStation DS423 – 4-Bay NAS

The Synology DiskStation DS423 – 4-Bay NAS is a cost-effective 4-bay NAS designed for home users and small businesses that need reliable data storage, media streaming, and file sharing. Powered by the Realtek RTD1619B quad-core CPU and 2 GB DDR4 non-ECC memory, it balances affordability with solid performance. The DS423 supports Btrfs file system, centralized backup, and seamless cloud synchronization, making it an excellent entry-level solution for personal cloud, multimedia libraries, and light office workloads. Processor Model: Realtek RTD1619B Architecture: 64-bit quad-core Base Clock Speed: 1.7 GHz Memory Installed Memory: 2 GB DDR4 (non-ECC, onboard) Expandable: Not expandable (fixed 2 GB) Storage Drive Bays: 4 × 3.5″/2.5″ SATA HDD/SSD (hot-swappable) Maximum Internal Capacity: Up to 72–88 TB (4 × 18 TB or 4 × 22 TB, depending on drive support) Expansion Units: Not supported (limited to 4 bays only) RAID Support: SHR, Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10 File System Support: Internal: Btrfs, EXT4 External: Btrfs, EXT4, EXT3, FAT, NTFS, HFS , exFAT Networking Ethernet Ports: 2 × Gigabit Ethernet RJ-45 (supports Link Aggregation & Failover) External Ports USB Ports: 2 × USB 3.2 Gen 1 (5 Gbps) Performance Sequential Read Speed: ~226 MB/s Sequential Write Speed: ~224 MB/s Encryption: AES-NI not supported (software encryption only) Virtualization: Not supported (basic NAS functions only) Software & Features Operating System: Synology DiskStation Manager (DSM) Backup Solutions: Synology Drive, Active Backup for Business (light workloads), Hyper Backup, Snapshot Replication Multimedia: Synology Photos, Audio Station, Video Station, DLNA/UPnP media server Surveillance: Synology Surveillance Station with IP camera support Cloud Integration: Google Drive, Dropbox, OneDrive, AWS S3, Synology C2 Power & Efficiency Power Supply: External 90 W adapter Power Consumption: ~4.4 W (HDD hibernation) ~26.2 W (access) Physical Specifications Dimensions (H × W × D): 184 × 168 × 230 mm Weight: 2.18 kg (without drives) Cooling: 2 × 92 mm fans with adjustable modes (low-noise, cool, full speed) Environmental Conditions Operating Temperature: 0°C – 40°C Relative Humidity: 5% – 95% non-condensing Warranty & Support Warranty: 2 Years (extendable in some regions) Typical Use Cases Home NAS for centralized file storage and backups Multimedia server for photos, videos, and music streaming Light business storage with RAID 5/6 redundancy Personal cloud with cross-device synchronization Entry-level surveillance recording solution Key Features Quad-core Realtek RTD1619B processor at 1.7 GHz 2 GB DDR4 RAM (non-expandable) 4-bay NAS with up to 88 TB storage capacity Dual Gigabit Ethernet with Link Aggregation Affordable entry-level NAS for home and small office use Meta Description Synology DiskStation DS423 4-Bay NAS with Realtek RTD1619B quad-core CPU, 2GB DDR4 RAM, dual Gigabit LAN, Btrfs file system, and multimedia streaming. Ideal for home storage and light business workloads. Datasheet