G suite is available in three different versions such as G suite Basic, G suite for business, and G suite Enterprise. So the prices are different for all the G suite versions. If you are using G suite for Basic then you have to pay different amount Per user/ per Year. if you are using G suite for Business then you have to pay related to storage. Like of you have less than four user then you will get storage of 1TB per user / per Year. and if you have more than four users then your storage is unlimited for N number of users.