We recommend the high capacity plan.
You are currently subscribed to the other plan, so you will be charged the difference.
You will also need to log in to make a payment.
The purchase screen will show the username and ID logged in, so please check that this is the account you are using before making the purchase.
<To buy the 500GB plan>
<To buy the 1TB plan>
<To buy the 1.5TB plan>
<To buy the 2TB plan>
<To buy the 2.5TB plan>
<To buy the 3TB plan>