The D4 uses the company’s own ZettOS operating system, which you can access via a web console or mobile app. The software lets you perform basic NAS tasks like managing permissions and creating files and folders, but it also includes AI-powered features.
With AI Search, you can hunt down photos, videos and documents using natural language annotations, and Knowledge QA lets you ask questions and get answers based on the data you’ve saved. Meanwhile, Photo Album uses artificial intelligence to categorize and index photos and videos, while Auto Transcribe and AI Clip features turn conversations from business meetings, class lectures, and personal notes into text notes.

(Credit: Zettlab/PCMag)
The web console provides a desktop interface with a search bar at the top for AI search and a launch bar at the bottom with tabs for App Store, ZettAI, Files, Settings, CoCard, Clips and Photos. The App Store is exactly what it sounds like: a backup solution from NAS, media server, cloud server, Docker platform and more. A clearinghouse for downloadable apps that allow you to use them as As of this writing, it’s only served up 41 apps — positively dwarfed by the 256 you can pull from Asustor’s app store for the Lockerstor 4 Gen 3 (AS6804T).
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(Credit: Zettlab/PCMag)
The ZettAI icon opens a screen where you can use AI to search for content on the NAS and let the AI install the NAS for you. Tapping the files icon allows you to create and share folders, create user teams with specific access privileges, and tag specific files. With settings, you can handle various tasks such as creating memory pools, checking drive health, and configuring fan, light, and display settings.
You can click CoCard to create automated and manual backup tasks, and click Clip to manage and edit video files locally instead of in the cloud. Finally, Photos lets you organize and manage your photo and video files.





