bitburner.hacknet.upgradecache.md

April 10, 2026 · View on GitHub

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Hacknet.upgradeCache() method

Upgrade the cache of a hacknet node.

Signature:

upgradeCache(index: number, n?: number): boolean;

Parameters

Parameter

Type

Description

index

number

Index/Identifier of Hacknet Node.

n

number

(Optional) Number of cache levels to purchase. Must be positive. Will be rounded to the nearest integer. Defaults to 1 if not specified.

Returns:

boolean

True if the Hacknet Node’s cache level is successfully upgraded, false otherwise.

Remarks

RAM cost: 0.5 GB

This function is only applicable for Hacknet Servers (the upgraded version of a Hacknet Node).

Tries to upgrade the specified Hacknet Server’s cache n times.

Returns true if it successfully upgrades the Server’s cache n times, or if it purchases some positive amount and the Server reaches its max cache level.

Returns false otherwise.