# Pricing Model

The billing for Network File Storage is based on the cluster size. The data transfer between the Network File Storage and VMs is not tracked and free.

The initial cluster size must be between **2 TiB** and **42 TiB**, increasing in **1 TiB** increments. All cluster space is fully usable. After creation, the cluster size can only be increased, not decreased.

Prices are listed in the respective price lists:

* **IONOS SE:** International, including Austria, France, Germany, and Italy ([<mark style="color:blue;">English</mark>](https://docs.ionos.com/cloud/support/general-information/price-list/ionos-cloud-eur-en) and [<mark style="color:blue;">German</mark>](https://docs.ionos.com/cloud/support/general-information/price-list/ionos-cloud-se-de) versions).
* **IONOS Ltd.:** [<mark style="color:blue;">United Kingdom</mark>](https://docs.ionos.com/cloud/support/general-information/price-list/ionos-cloud-ltd).
* **IONOS Inc.:** [<mark style="color:blue;">United States and Canada</mark>](https://docs.ionos.com/cloud/support/general-information/price-list/ionos-cloud-inc).