[Home](./index.md) > [bitburner](./bitburner.md) > [Hacknet](./bitburner.hacknet.md) > [upgradeRam](./bitburner.hacknet.upgraderam.md)
## Hacknet.upgradeRam() method
Upgrade the RAM of a hacknet node.
Signature:
```typescript
upgradeRam(index: number, n: number): boolean;
```
## Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| index | number | Index/Identifier of Hacknet Node. |
| n | number | Number of times to upgrade RAM. Must be positive. Rounded to nearest integer. |
Returns:
boolean
True if the Hacknet Node’s ram is successfully upgraded, false otherwise.
## Remarks
RAM cost: 0 GB
Tries to upgrade the specified Hacknet Node’s RAM n times. Note that each upgrade doubles the Node’s RAM. So this is equivalent to multiplying the Node’s RAM by 2 n.
Returns true if the Hacknet Node’s RAM is successfully upgraded n times or if it is upgraded some positive number of times and the Node reaches it max RAM.
Returns false otherwise.