Transfer Appliance is governed by the Google Cloud Platform Terms of Service, including the Service Specific Terms located at https://cloud.google.com/terms/service-terms.
For more information on Transfer Appliance, please see https://cloud.google.com/data-transfer/docs.
For Transfer Appliance pricing, please see https://cloud.google.com/data-transfer/pricing
Note that the use of Transfer Appliance will require you to set up an invoice billing relationship with Google and will require a credit check. If you do not already have an invoice billing relationship, you can provide the necessary information as part of the onboarding process.