Garry's Mod server

Garry's Mod Server RAM Calculator

Based on data we collected
How it works

What Actually Uses RAM on a Garry's Mod Server

The gamemode matters most. Sandbox and TTT run little server-side code, while DarkRP and custom roleplay gamemodes run a lot of Lua for jobs, shops and entities.

Addons from your Workshop collection add up too, and every player spawns entities and props the server tracks.

The calculator adds those up from data we collected on Garry's Mod servers, then leaves about 15% headroom so the server never runs right at its limit. It's a guide, not a promise, and you can upgrade from the client area at any time.

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Frequently Asked Questions

Quick answers about Garry's Mod server memory.

How much RAM does a Garry's Mod server need?

2 GB runs Sandbox, TTT or Prop Hunt comfortably. DarkRP servers want 4 GB, and heavy roleplay servers with big addon collections need 8 GB.

Does DarkRP need more RAM than TTT?

Yes. DarkRP runs much more server-side Lua for jobs, entities and shops, and players spawn far more props.

Do Workshop addons use server RAM?

Server-side addons do. Maps and models mostly affect what players download, but Lua addons run on the server.

Is the calculator exact?

It is an estimate based on data we collected, with headroom added. You can upgrade from the client area at any time.