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[Home](./index.md) &gt; [bitburner](./bitburner.md) &gt; [Hacknet](./bitburner.hacknet.md) &gt; [getRamUpgradeCost](./bitburner.hacknet.getramupgradecost.md)

## Hacknet.getRamUpgradeCost() method

Calculate the cost of upgrading hacknet node RAM.

**Signature:**

```typescript
getRamUpgradeCost(index: number, n?: number): number;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  index | number | Index/Identifier of Hacknet Node. |
|  n | number | _(Optional)_ Number of times to upgrade RAM. Must be positive. Will be rounded to the nearest integer. Defaults to 1 if not specified. |

**Returns:**

number

Cost of upgrading the specified Hacknet Node's RAM.

## Remarks

RAM cost: 0 GB

Returns the cost of upgrading the RAM of the specified Hacknet Node n times.

If an invalid value for n is provided, then this function returns 0. If the specified Hacknet Node already has max RAM, then Infinity is returned.