How much does the upgrade to 4TB storage with Apple One cost?
Mass-Storage Management Software
So the answer is that you can have both a storage plan and Apple One, so 4 TB would be the full cost of Apple One premium plus the top tier storage plan combined.
Greetings gujamin!
Looks like you had some questions about how much it costs to upgrade your storage with iCloud when subscribed to Apple One. We are happy to help! We see you came to us from Upgrade your iCloud storage plan, which has some great information regarding iCloud storage. That being said, pricing can differ depending on your region. These articles might help as well:
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4TB cost
