Build a private cloud for your home
DS420j is a 4-bay desktop NAS designed for home data backup, file syncing, and sharing. Supporting up to 64 TB raw capacity, you can easily centralize all your multimedia collections.
64-bit 4-core 1.4 GHz
Over 112 MB/s encrypted reading and writing1
Maximum 64 TB raw capacity
7.88 W in hibernation mode
Manage your photo collections
Organize your photos intelligently with Moments, a modern, AI-enabled photo management application that lets you effortlessly preserve your precious memories. Learn more
Stream content to your TV
Turn your Synology NAS into a home media hub and stream your digital contents to your favorite devices such as computers, mobile devices, Samsung TV, Apple TV, Google Chromecast, and DLNA devices.
Seamless integration with your mobile devices
Synology mobile applications are designed to allow quick and secure access to your data wherever you are.
Access and sync your files seamlessly
Synology Drive provides a built-in universal portal to access your data anytime and anywhere, and synchronize all your files across platforms, including Windows, macOS, Linux, Android, and iOS. Learn more
Sync files on demand: Save the storage space and network bandwidth of your PC.
Go back in time: Easily retrieve previous versions of your shared files.
Back up your data: Protect your files as scheduled or in real-time.
Reliable and efficient backup options
Synology Hyper Backup is a reliable and multi-directional backup solution offering data deduplication and compression. You can back up from various source folders, including external USB drives, another Synology NAS, rsync servers, or from public cloud services like Google Drive or Synology C2, and protect your data against malicious attacks and encryption-based ransomware threats. Learn more
Powered by Synology DiskStation Manager
Complete multimedia solution for management, streaming, and playback.
Simplified backup solution for your Mac, PC, and mobile devices.
Powerful built-in file management and sharing services.
Instantly access your NAS files across multiple devices whenever you want, wherever you are.
Store multiple backup versions with block-level incremental data backup and cross-version deduplication.
Complete surveillance solution for recording, monitoring, and management.
- 1Status indicator
- 2LAN indicator
- 3Power button and indicator
- 4Drive status indicator
- 51GbE RJ-45 port
- 6Power port
- 7Kensington Security Slot
- 8System fan
- 9USB 3.0 port
- 10Reset button