[Home](./index.md) > [bitburner](./bitburner.md) > [NS](./bitburner.ns.md) > [getPurchasedServerCost](./bitburner.ns.getpurchasedservercost.md)
## NS.getPurchasedServerCost() method
Returns the cost to purchase a server with the specified amount of ram.
Signature:
```typescript
getPurchasedServerCost(ram: number): number;
```
## Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| ram | number | Amount of RAM of a potential purchased server. Must be a power of 2 (2, 4, 8, 16, etc.). Maximum value of 1048576 (2^20). |
Returns:
number
The cost to purchase a server with the specified amount of ram.
## Remarks
RAM cost: 0.25 GB
## Example
```ts
for (i = 1; i <= 20; i++) {
tprint(i + " -- " + getPurchasedServerCost(Math.pow(2, i)));
}
```