The Synology DiskStation DS423 is a compact 4-bay desktop NAS tailored for home and small office environments. Powered by a Realtek RTD1619B 64-bit quad-core processor running at 1.7 GHz and equipped with 2 GB DDR4 non-ECC memory, it offers a balance of performance and energy efficiency. This diskless unit supports up to four hot-swappable 3.5" SATA HDDs or 2.5" SATA SSDs, enabling flexible RAID configurations including SHR, RAID 0/1/5/6/10, JBOD, and Basic.

Connectivity includes dual 1 GbE LAN ports supporting failover and link aggregation for network reliability and speed, plus two USB 3.2 Gen 1 Type-A ports for external backup and storage expansion. Running Synology's DiskStation Manager (DSM), this NAS offers powerful features such as Btrfs and ext4 file system support, snapshot replication, Hyper Backup, Synology Photos, and Surveillance Station with two free camera licenses.

Storage scalability reaches volumes up to 108 TB and up to 64 internal volumes, making it ideal for centralized data management, backup, multimedia streaming, and basic surveillance. The device maintains low power consumption with 32.41 W during active access and 4.97 W in HDD hibernation. Its cooling system includes dual 80 mm fans with configurable speed modes to balance noise and temperature.

Physical dimensions measure 184 × 168 × 230 mm with a weight of approximately 2.21 kg. The DS423 includes essential accessories such as an AC power adapter, power cord, two LAN cables, and a quick installation guide, backed by a 2-year hardware warranty. Overall, it serves as an efficient, versatile NAS solution for secure and organized data storage.