CurseForge · Minecraft mod
Reinforced Chests
Fabric mod to add reinforced chests
Quick answer
Which Reinforced Chests release should I use?
Reinforced Chests v3.3.3+1.21.8 targets 1.21.8, 1.21.6, 1.21.7 with Fabric. The project page does not say whether this file belongs on the client, dedicated server, or both. All 1 required mods have matching files.
Where it goes
Is Reinforced Chests required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
The source does not explicitly classify this release as client-only or server-only.
What else does Reinforced Chests v3.3.3+1.21.8 need?
Reinforced Chests v3.3.3+1.21.8. Change the file and its required mods may change too.
Install Fabric API first. We found matching files for this game-version and loader setup. 2 come through another mod in the chain.
2 extra mods were pulled in by other dependencies. Indented rows show who needs each one. We only count dependency files that match this setup. A file for another loader does not fill the gap.
Before you install it
Add Reinforced Chests without breaking your instance.
Built for Reinforced Chests v3.3.3+1.21.8. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use Reinforced Chests v3.3.3+1.21.8. It targets 1.21.8, 1.21.6, 1.21.7 with Fabric; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
Install Fabric API first. We found matching files for this game-version and loader setup. 2 come through another mod in the chain.
- 03
Put it on the correct side
The project page does not say whether this file belongs on the client, dedicated server, or both.
- 04
Pick the file you checked
Use the “Get this file” button beside Reinforced Chests v3.3.3+1.21.8. It opens that exact file at the source.
About this project
What does Reinforced Chests add?

Reinforced Chests
The Reinforced Chests mod adds reinforced chests.
Reinforced Storage Mod Series
Reinforced Storage Addons
Recipe
Copper Chest
A copper chest has 45 slots of inventory space, and a large copper chest has twice that amount, at 90 slots. It cannot be crafted after the Copper Age (Minecraft 1.21.9+).
Iron Chest

An iron chest has 54 slots of inventory space, and a large iron chest has twice that amount, at 108 slots. It can also be crafted by Vanilla Copper Chests after the Copper Age (Minecraft 1.21.9+).
Gold Chest

A gold chest has 81 slots of inventory space, and a large gold chest has twice that amount, at 162 slots.
Diamond Chest

A diamond chest has 108 slots of inventory space, and a large diamond chest has twice that amount, at 216 slots.
Netherite Chest

A netherite chest has 108 slots of inventory space, and a large netherite chest has twice that amount, at 216 slots. This is resistant to blast, fire, and lava.
Configure
Mod Menu has been available since version 2.1.0+.

Screen Type
Available in version 2.1.0+. Screen type is "SINGLE" or "SCROLL". (default: "SINGLE")
- SINGLE

- SCROLL

Scroll Screen
Rows
Available in version 2.1.0+. Rows is an integer in the range from 6 to 9. (default: 6)
- Rows: 6

- Rows: 9

Project description from CurseForge.
Pick your setup
Reinforced Chests by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.21.11
1 loader build1.21.10
1 loader build1.21.9
1 loader build1.21.8
1 loader build1.21.7
1 loader build1.21.6
1 loader build1.21.5
1 loader build1.21.4
1 loader build1.21.3
1 loader build1.21.2
1 loader build1.21.1
1 loader build1.21
1 loader buildShowing the newest 12 of 30 game versions. Older files are in the list below.
Check the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Reinforced Chests versions and loaders
Reinforced Chests v4.0.0-beta+1.21.11
reinforced-chests-4.0.0-beta+1.21.11.jar
6 Feb 2026
Reinforced Chests v3.3.4-alpha+1.21.10
mod.jar
15 Nov 2025
Reinforced Chests v3.3.3+1.21.8
reinforced-chests-3.3.3+1.21.8.jar
26 Jul 2025
Reinforced Chests v3.3.2+1.21.5
reinforced-chests-3.3.2+1.21.5.jar
16 Apr 2025
Reinforced Chests v3.3.1+1.21.5
reinforced-chests-3.3.1+1.21.5.jar
12 Apr 2025
Reinforced Chests v3.3.0+1.21.4
reinforced-chests-3.3.0+1.21.4.jar
26 Jan 2025
Reinforced Chests v3.2.0+1.21.3
reinforced-chests-3.2.0+1.21.3.jar
3 Jan 2025
Reinforced Chests v3.1.1+1.21.1
reinforced-chests-3.1.1+1.21.1.jar
31 Dec 2024
Reinforced Chests v3.0.1+1.20
reinforced-chests-3.0.1+1.20.jar
31 Dec 2024
Reinforced Chests v3.1.0+1.21.1
reinforced-chests-3.1.0+1.21.1.jar
1 Sept 2024
Reinforced Chests v3.0.1+1.21
reinforced-chests-3.0.1+1.21.jar
16 Jun 2024
Reinforced Chests v3.0.0+1.20
reinforced-chests-3.0.0+1.20.jar
15 Jun 2024
Looking for an older file? The official CurseForge project page is in Resources.
