This article covers Synology 4-Bay DS423+.

Overview

The Synology DS423+ is a 4-bay desktop NAS powered by the Intel Celeron J4125 processor. It supports up to 72TB of raw storage and delivers sequential read speeds of 226 MB/s and write speeds of 224 MB/s. This makes it an excellent choice for home users and small businesses seeking centralized data management, media serving, and reliable backup. Running Synology's DiskStation Manager (DSM), the DS423+ offers a versatile suite of applications for file sharing, media streaming, surveillance, VPN hosting, and more. It supports multi-platform access from Windows, macOS, Linux, and mobile devices. With its balanced mix of performance, expansion, and ease of use, the DS423+ hits a sweet spot in the mid-range NAS market.

Connectivity & Compatibility

The DS423+ comes with two Gigabit Ethernet LAN ports that support Link Aggregation and failover. Two USB 3.2 Gen 1 ports provide connectivity for external drives or UPS devices. There is no eSATA port, but additional storage can be added via USB. The NAS supports 3.5-inch and 2.5-inch SATA HDDs and SSDs, with a maximum internal raw capacity of 72TB (using four 18TB drives). It supports RAID 0, 1, 5, 6, 10, and Synology Hybrid RAID (SHR). RAM is 2GB DDR4, expandable to 6GB. Network features include IPv6 support and Synology QuickConnect for easy external access. Compatibility with a wide range of drives and peripherals is ensured through regular DSM updates.

Product Info

Released in 2023, the Synology DS423+ occupies the mid-to-high end of the 4-bay NAS segment. It is available through major retailers like Japan and electronics stores, typically priced between ¥50,000 and ¥80,000 (drives not included). The warranty is 3 years. The package includes an AC adapter, power cord, two Ethernet cables, screws for drive mounting, and a quick installation guide. Market positioning: a performance-oriented home and SMB NAS that balances CPU power, memory, and connectivity. It serves as a natural upgrade from the DS220+ or DS420+ and can handle 4K media transcoding, Docker containers, and multi-user workloads without breaking a sweat.

Best Use Cases

Home media server: Ideal for users who want to centralize photos and videos and stream them to TVs, phones, and tablets. Plex or Synology Photos allow smooth 4K transcoding and remote access. Small office file server: Perfect for teams that need shared storage with user permissions, snapshot backups, and versioning. The DS423+ integrates with Windows Active Directory and supports rsync for offsite backups. * Automated backup hub: Great for individuals who want to back up multiple PCs and mobile devices to one device, then replicate to the cloud. Hyper Backup and Cloud Sync make it easy to sync with Google Drive, S3, and other services.

Product Disclosure (Amazon)

  • Manufacturer: Synology
  • Seller: 海亀商通
  • Fulfilled by: 海亀商通
  • ASIN: B0BXH389D1
  • Note: This article covers a manufacturer-made product based on Amazon listing details.