Synology made a 4TB version of the terrific BeeDrive, and I'm thrilledSynology's BeeDrive is the best way to store data and automatically back up photos and videos, and now there's a 4TB model.
Source: Synology made a 4TB version of the terrific BeeDrive, and I'm thrilled (https://www.androidcentral.com/accessories/smart-home/synology-beedrive-4tb)