
ModpacksJava
Simply Fast Ultra Vulkan
Java modpack listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
⬇ Download on ModrinthSimplyFast Ultra is a high performance Vulkan Minecraft modpack that boosts FPS up to 3-5× over vanilla while preserving the clean, responsive feel of core gameplay. With amazing quality of life mods and Vulkan Shader Support.
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.1
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
File checked by MCModsHub
- Downloads as Simply Fast 1.2.0.mrpack
- Download size: 110 KB
- Download link checked 30 Oct 2026 — working
These come from our own check of the pack file, not from the source page.