You need a server with at least
Usage Breakdown
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RAM guides for each game
What fills a server's memory in each game, and the sizing mistake that game's players make most.
- 7 Days to Die server RAM: how much do you need?
- Abiotic Factor server RAM: how much do you need?
- ARK: Survival Ascended server RAM: how much do you need?
- ARK: Survival Evolved server RAM: how much do you need?
- Arma 3 server RAM: how much do you need?
- Arma Reforger server RAM: how much do you need?
- Conan Exiles server RAM: how much do you need?
- Core Keeper server RAM: how much do you need?
- Counter-Strike 2 server RAM: how much do you need?
- DayZ server RAM: how much do you need?
- Don't Starve Together server RAM: how much do you need?
- Enshrouded server RAM: how much do you need?
- Factorio server RAM: how much do you need?
- Garry's Mod server RAM: how much do you need?
- Icarus server RAM: how much do you need?
- Insurgency: Sandstorm server RAM: how much do you need?
- Left 4 Dead 2 server RAM: how much do you need?
- Mindustry server RAM: how much do you need?
- Minecraft server RAM: how much do you need?
- Minecraft Bedrock server RAM: how much do you need?
- Necesse server RAM: how much do you need?
- Palworld server RAM: how much do you need?
- Project Zomboid server RAM: how much do you need?
- Rust server RAM: how much do you need?
- Satisfactory server RAM: how much do you need?
- Sons of the Forest server RAM: how much do you need?
- Soulmask server RAM: how much do you need?
- Space Engineers server RAM: how much do you need?
- Squad server RAM: how much do you need?
- Stardew Valley server RAM: how much do you need?
- Team Fortress 2 server RAM: how much do you need?
- Terraria (TShock) server RAM: how much do you need?
- Unturned server RAM: how much do you need?
- V Rising server RAM: how much do you need?
- Valheim server RAM: how much do you need?
- Vintage Story server RAM: how much do you need?
Common questions
Why is Palworld so memory-hungry?
It runs on Unreal Engine 5 and keeps a lot in memory for Pal AI pathing and bases, and its usage also creeps up the longer the server runs. Start from 8GB at the very least; groups with many bases are safer on 12GB+.
How much do mods add to a Minecraft server?
A lot. Unmodded Minecraft is comfortable on 2-3GB of RAM for a small group, but big packs such as All The Mods or Better MC load thousands of extra assets and scripts at startup and need 8GB+ before anyone can even join.
What happens when a server runs out of RAM?
The operating system steps in with an OOM (Out of Memory) kill. The server process dies on the spot without saving, and everyone connected is dropped.
Can I add RAM later if I guessed wrong?
On most managed hosts, yes. On Spawnly, for example, you change the server's RAM from its control panel in either direction, and your files and IP address stay the same. On your own hardware it means a new machine or new memory sticks.