Minecraft version
Back to modpacks 
Modrinth · Minecraft modpack
Server Optimization
Best server-side optimization modpack. Used to be called WingServer
Choose a version Pick your version below, then grab the matching file.
Quick answer
Which Server Optimization release matches 1.21.5 NeoForge?
Best match for your filters Server Optimization 1.21.5-1.1
Game version 1.21.5
Loader NeoForge 21.5.78
Server Optimization 1.21.5-1.1 is a complete pack release for 1.21.5 with NeoForge 21.5.78. Install it as its own launcher instance. If the creator publishes a separate server file, make sure it names this exact pack release. For this loader, use Java 21. 8 mods in this pack file.
Pack setup
How should I set up Server Optimization for players and a server?
Use Server Optimization 1.21.5-1.1 as the pack version. Install the pack as its own launcher instance. The creator’s listing does not name a separate server file, so check the release notes before setting up a dedicated server. Do not upload the ordinary client folder blindly.
Client instance Install Server Optimization 1.21.5-1.1
Dedicated server setup Match Server Optimization 1.21.5-1.1
Pack loader NeoForge 21.5.78
Java version Java 21
A pack is a matched client and server setup, not one mod with an install-side label. Keep its release, loader, manifest and overrides together.
Referenced mods 8
Client only 0
Server only 2
Not labelled 6
These numbers come from the pack file you chose. “Not labelled” means we don’t know which side it belongs on—not that it is safe everywhere. The file count is not a RAM estimate.
What are the server requirements for Server Optimization?
Server Optimization 1.21.5-1.1 on 1.21.5 NeoForge. The pack contents and setup notes below stay tied to that release.
The selected pack release is Server Optimization 1.21.5-1.1. That file is for Minecraft 1.21.5 with NeoForge 21.5.78. This NeoForge setup needs Java 21. It contains 8 mod projects. The creator’s listing does not name a separate server file. Check their notes before using one, and do not upload an ordinary client folder or rebuild the pack mod by mod. A file count cannot tell us the right RAM, CPU or storage; size the server for the players and world you actually run.
About this project
What kind of pack is Server Optimization?
🦾 Server Optimization
This is a lightweight server modpack on optimization with no other mods other than optimization.
✨ Features
- Good performance
- Pre-configured settings
💽 Installation
- Convert the .mrpack to .zip using the Modrinth Pack to Zip Converter
🧩Java and Flags
- Use Java Eclipse Temurin 25 with the following flags:
-XX:+UseZGC -XX:+UseCompactObjectHeaders - For more details, read the article
🗺️ Chunk Pregeneration:
To prevent lag caused by players generating chunks, it’s recommended to pre-generate them. Use the Chunky mod for this task.
You can estimate the size of your future world on this website.
Steps:
- Select the world where you want to pre-generate chunks:
Example:
/chunky world minecraft:overworld - Set the radius:
Example:
/chunky radius 5000 - Start the chunk pregeneration process:
/chunky start
Project description from Modrinth.
Mods in Server Optimization 1.21.5-1.1
Open any mod on Modpacks.ch to check its files and dependencies.
alternate_current-mc1.21.5-1.9.0.jar SHA-1
159be56f77d5e35b64d20f182a5c402e4ff79219 · Modrinth version KnldqVfO · Project link unavailable Server onlyc2me-neoforge-mc1.21.5-0.3.4+alpha.0.64.jar SHA-1
fefb5e5ec56bd43b3e10fcd64ca4223278b038c9 · Modrinth version zaZMwdfX · Project link unavailable Side not labelledChunky-NeoForge-1.4.36.jar SHA-1
3c8c8784e0cf246ceabf94db0c2578f1dd8726b6 · Modrinth version ZvgU4Pog · Project link unavailable Side not labelledferritecore-8.0.0-neoforge.jar SHA-1
c966accc11438c2597c0aa5ca21f19a271caaaa1 · Modrinth version WmGPid1l · Project link unavailable Side not labelledlithium-neoforge-0.16.3+mc1.21.5.jar SHA-1
18e88a94c624cdd6849084d3ffe9445d576e7415 · Modrinth version WlbbqV1o · Project link unavailable Side not labelledScalableLux-0.1.3+beta.1+neoforge.835ef64-all.jar SHA-1
b587ea58c1b580ba22f81871f0cf5c01fad7cb90 · Modrinth version 5BWDA5mK · Project link unavailable Side not labelledservercore-neoforge-1.5.12+1.21.5.jar SHA-1
ca0f9307a79ad788abc0f7ddf550f83f2e9b130e · Modrinth version biB9A928 · Project link unavailable Server onlyspark-1.10.138-neoforge.jar SHA-1
f1e831a9d33e448bbf0b0d31f2a520df7199b728 · Modrinth version DH9hFMZn · Project link unavailable Side not labelledPick your setup
Server Optimization by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
Minecraft version
26.2
1 loader buildMinecraft version
1.21.11
2 loader buildsMinecraft version
1.21.10
2 loader buildsMinecraft version
1.21.8
2 loader buildsMinecraft version
1.21.7
1 loader buildMinecraft version
1.21.6
2 loader buildsMinecraft version
1.21.5
2 loader buildsMinecraft version
1.21.4
1 loader buildMinecraft version
1.21.3
2 loader buildsMinecraft version
1.21.1
2 loader buildsMinecraft version
1.21
1 loader buildShowing the newest 12 of 20 game versions. Older files are in the list below.
Made local changes? Try them in a copied instance before touching a world you care about.
Recent files
Server Optimization versions and loaders
NeoForge 21.5.781.21.58.0.312+7 release
Looking for an older file? The official Modrinth project page is in Resources.
modpack Modrinth · Minecraft
Optimization
🪽 Maximum performance, eliminates stuttering, and speeds up anything while not breaking vanilla. Sodium, Vulkan, Embeddium and Celeritas.
modpack CurseForge · Minecraft
OG Collection
All ten OG mods in one light vanilla+ pack: chisel, graves, tweaks, tree felling, sorting, magnet, hammers, crates, elevators and portable workstations.
modpack Modrinth · Minecraft
Just Enough Optimization
Just Enough Optimization - Focused on low memory usage and higher avarege fps. Made for low-end pc so everyone can run Minecraft