[Home](./index.md) > [bitburner](./bitburner.md) > [Cloud](./bitburner.cloud.md) > [getServerUpgradeCost](./bitburner.cloud.getserverupgradecost.md) ## Cloud.getServerUpgradeCost() method Get cost of upgrading a cloud server to the given RAM. **Signature:** ```typescript getServerUpgradeCost(host: string, ram: number): number; ``` ## Parameters

Parameter	Type	Description
host	string	Hostname/IP of the cloud server to upgrade.
ram	number	Amount of RAM of the cloud server, in GB. Must be a power of 2 (2, 4, 8, 16, etc.). Maximum value of 1048576 (2^20).

**Returns:** number The price to upgrade or -1 if either input is not valid, i.e. host is not the name of a cloud server or ram is not a valid amount. ## Remarks RAM cost: 0.1 GB