Can You Add More RAM to an Aternos Server? (2026 Workarounds)

By FreeGameHost Team • Updated May 2026 • 8 min read

When it comes to game hosting, selecting the right provider can make or break your gaming experience. A reliable host ensures smooth gameplay, lag-free exploration, and consistent uptime for your players. Struggling with Aternos server lag and out-of-memory crashes? Find out if you can upgrade your RAM allocation and explore free 4GB RAM hosting alternatives. Today, we analyze the performance limits, pricing models, and resource features of Aternos and explore the best alternatives available in 2026.

Finding a service that matches your specific performance demands without breaking the bank is crucial. In this guide, we dive deep into the specifications, look at the hardware benchmarks, and outline how you can migrate your existing worlds to a superior host server.

Why Players are Seeking Alternatives to Aternos

While Aternos remains a well-known brand in the multiplayer game hosting scene, many active players and server owners are migrating to alternative providers. This shift is primarily driven by several hardware restrictions and service limitations that hold back larger communities:

No Upgrades: Aternos operates on a strict free-only model. They do not offer paid memory upgrades or RAM sliders on their panel.
exaroton funnel: If you want more RAM, they redirect you to their paid parent brand exaroton, which charges per-hour credit systems.
Resource limitations: Dynamic RAM allocations on Aternos are capped at 1.7GB, causing version 1.20 and modpacks to crash during chunk ticks.

These bottlenecks frequently lead to ticks-per-second (TPS) drops, severe chunk load latency, and unexpected server restarts during peak active hours.

Feature Comparison and Resource Allocation

Below is a comparative breakdown of key system resource allocations, control panel features, and monthly pricing metrics between different hosting services:

Host Provider	RAM Memory	Queue Waiting lines	Uptime status
Aternos	1.7 GB (Max)	10-30 minutes peak	Auto-shutdowns when empty
FreeGameHost	4.0 GB (Guaranteed)	None (Instant start)	24/7 Always online

Optimal Migration Configurations

Moving your game world database, player directories, and mod folders to a high-speed Ryzen node is relatively straightforward. Below is the configuration walkthrough and backup commands to safely export and import your existing server data:

# Optimizations for low-memory servers: use PaperMC instead of Vanilla. set max-tick-time=-1 in server.properties. install the Spark profiling plugin to check heap memory leaks.

Migration Tip: Instead of paying exaroton to remove Aternos limits, migrate your world folder to FreeGameHost to get 4GB RAM completely free. Make sure to compress your files into a .zip archive before downloading or uploading, as this prevents transfer timeouts on smaller network connections.

Frequently Asked Questions

Can I upload custom jars to Aternos?

No, Aternos limits you to pre-approved software pools. Custom jars require hosts with full File Manager access like FreeGameHost.

Why does my Aternos server crash on start?

It is likely due to the Java Virtual Machine running out of memory (OOM Heap error) when loading modern game assets.

Skip the monthly fees, hardware limits, and long queue times. Host a free 4GB RAM server on FreeGameHost today.

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