Fastium (Ultra Fast)

Fastium (Ultra Fast)

Extreme amount of optimization that doesn't affect visuals

by zeltgxz
3.2K Downloads
0 Followers
fabricMC 1.21.4optimization

About this Modpack

title

https://www.youtube.com/watch?v=BbkAQ_vHNtA

Important

There is a VULKAN version that replaces some mods, THIS VERSION IS AN EXPERIMENTAL VERSION THAT USES VULKAN INSTEAD OF SODIUM, IT INCREASES FPS BUT HAS NO SHADER SUPORT AND IT MAY NEED RELATIVE NEW GPUS

In beta versions there may be some unactive mods, if you enable them your game may crash

Older versions may have some utility or decoration modifications, while newer ones only focus on performance. These changes are made from 1.21

What?

Incredibly Optimized experience with some non game chanaging stuff, zoom, bug fixes and too many FPS

Why?

Made by an optimization paranoic for optimization paranoics

How much performance?

Up to 1500 FPS at 32 render distance

Spoiler

on an rtx 3060 at 1080p with opened browser and windoed mode

It includes zoom, some hunger and shulkerbox info, texture and model compatibilizers, and borderless fullscreen.

Shaders and stuff?

It includes shader loader and resource pack compatibilizers for resource packs with models or animations

THE MOD CONTAINS A DYNAMYC LIGHT THAT MAY LAG ON BAD DEVICES, YOU CAN UNABLE IT FROM THE GAME OR DELETING THE MOD LAMBDYNAMICLIGHTS

Available Versions

Fastium (Ultra Fast) 1.3.2release
MC 1.21.1fabric196 downloads
November 1, 2024
Fastium (Ultra Fast) 1.2.5release
MC 1.21fabric162 downloads
October 5, 2024
Fastium (Ultra Fast) 1.3.1release
MC 1.21.1fabric79 downloads
October 5, 2024
Fastium (Ultra Fast) 1.2.3release
MC 1.21fabric86 downloads
July 16, 2024
Fastium (Ultra Fast) 1.2.3release
MC 1.21fabric90 downloads
July 2, 2024

How to Set Up a Fastium (Ultra Fast) Server

1

Order Server

Choose at least 4 GB RAM (6 GB recommended for Fastium (Ultra Fast)). Based on player count: per 8 players.

2

Install Modpack in Dashboard

Open the modpack browser in the dashboard, search for "Fastium (Ultra Fast)" and click "Install". The fabric loader and Minecraft 1.21.4 are configured automatically.

3

Start Server & Play

Start the server – all mods are loaded automatically. Share the server IP with friends and play together!

Frequently Asked Questions

Fastium (Ultra Fast) server crashes or won't start – what to do?

Most common causes: insufficient RAM or wrong fabric loader. Check latest.log for "OutOfMemoryError" → increase RAM to at least 6 GB. For "Mixin" or "ClassNotFoundException" errors: modpack version and loader don't match. With Mado Hosting, loader and Minecraft version are auto-configured on modpack install – preventing most startup issues.

How much RAM does a Fastium (Ultra Fast) server really need?

Minimum 4 GB, recommended 6 GB for stable performance. per 8 players. Important: Minecraft modpacks need more RAM than vanilla – plan extra per additional player. With Mado Hosting, you can scale RAM up live at any time without data loss (from €8/month).

Can I add custom mods to Fastium (Ultra Fast) without conflicts?

Yes, but check compatibility: only use mods for the same loader (fabric) and same Minecraft version (1.21.4). Common issues: ID conflicts with recipe mods and incompatible coremod versions. The Mado dashboard mod browser only shows compatible mods and warns about known conflicts.

Fastium (Ultra Fast) server lagging – performance tips

1) Increase RAM to 6 GB+. 2) Reduce server view-distance to 8 (server.properties). 3) Pre-generate chunks with the "Chunky" plugin. 4) Use /spark profiler to check which mods consume the most tick time. With Mado Hosting, all servers run on NVMe SSDs with dedicated CPU cores – eliminating hardware as a bottleneck.

Rent Fastium (Ultra Fast) Server

Start your own server with automatic modpack installation.

Recommended RAM:
6 GB(min. 4 GB)
From 8.00 / month
Create Server Now
1-Click Modpack Install
NVMe SSD Storage
DDoS Protection included
Automatic Backups

Details

License
LicenseRef-All-Rights-Reserved
Server-side
Optional
Client-side
Optional

Supported Versions

1.21.41.21.31.21.11.211.20.61.20.4

Start your Fastium (Ultra Fast) Server now

From €8.00/month with 6 GB RAM for the best performance.

Configure Server →