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A modded Minecraft server needs about 4–6 GB of RAM for a light modpack (under 100 mods) and 6–10 GB for a heavy modpack with 200 or more mods, such as Better MC or All the Mods 10, with a few players. Add memory as player numbers grow. A Paper server with a handful of plugins runs well on 2–4 GB.

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How much RAM does each type of server need?

These are our starting points. Big bases, mob farms and many players need more.
Not sure how many mods a pack has? On the Modpacks page, the install summary shows Mods and files to download before anything is installed.
Modpack install summary in the FREAKHOSTING Game Panel listing the pack, Minecraft version, loader, number of mods and files to download, configuration files and client-only files

The modpack install summary shows how many mods a pack has

Mod counts and versions are taken from each pack’s CurseForge or Modrinth page. A pack author’s own recommendation, if they give one, always comes first. Check the pack page before you install.

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Why does my server use more memory than the table?

Your server starts with the memory of your plan. Java also needs memory outside the game itself, so the memory graph can sit close to the limit even when the server is healthy. PaperMC’s own guidance is to leave about 1,000–1,500 MB for this overhead. If your server keeps reaching its limit, plan for 1–1.5 GB more than the table suggests.
The Startup page shows the startup command with optimised Java flags (Aikar’s flags) and your plan’s memory. It’s read-only and you don’t need to change it. See startup flags.

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Does more RAM fix lag?

Not always. Lag has two common causes: Check memory on the Console page or over time on Statistics. See view server statistics.

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How to make a modded server use less RAM

  • Lower view distance. In Server Properties, set View distance to 6–8. It is the biggest lever on memory. Click Save and restart.
  • Pre-generate the world. Generating new chunks while players explore is heavy. See Chunky.
  • Remove mods you don’t use. On Mods > Installed, switch a mod off with its toggle and test.
  • Restart regularly. A nightly restart with a schedule keeps memory use tidy.
  • Limit large farms. Hundreds of animals or items in one place use memory and CPU.
If your server simply needs more memory, upgrade your plan in the client area.

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Frequently asked questions

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How much RAM does Better MC need on a server?

Better MC [NEOFORGE] BMC5 has more than 320 mods. Start with 6–8 GB for a small group of friends and add memory for more players.

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How much RAM for All the Mods 10?

ATM10 has around 500 mods. Start with 8–10 GB for a small group. Large bases with many machines need more.

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Is 6 GB of RAM in MB 6144?

Yes. Java counts 1 GB as 1,024 MB, so 6 GB is 6,144 MB. On our servers you don’t enter this yourself: the memory of your plan is set in the startup command for you.

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How much RAM does a Fabric server need?

A Fabric server with a few performance mods runs like Vanilla, about 2–4 GB. A large Fabric modpack follows the modpack rows in the table above.

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Should I give the server all my RAM?

On our servers the memory is fixed by your plan and already set. On your own computer, don’t give a server all your memory: the operating system and Java need some too.

Minecraft server guide

Every Minecraft guide in one place.

Install a modpack

One-click install with a backup first.

Best modpacks for servers

Popular packs by play style.

Fix server lag

The full lag checklist.

Crashing or out of memory

Fix OutOfMemoryError and crashes.
Tested by the FREAKHOSTING team on our Game Panel on 29 October 2026 (Minecraft 26.1, Paper and Fabric). Modpack details checked on CurseForge and Modrinth on 29 October 2026. RAM needs may change as packs are updated.

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Need Extra Help?

If you encounter any issues, our support team is ready to assist:

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Last Updated: October 2026