How to Upgrade a Sophisticated Storage Chest or Barrel to the Next Tier

Understanding Tier Upgrades

Sophisticated Storage chests, barrels, and shulker boxes come in tiers: Basic (wood), Copper, Iron, Gold, Diamond, and Netherite. Each tier increases the number of storage slots and the maximum stack multiplier. You do not craft a new chest from scratch — you upgrade the one you already have, keeping its contents and any installed upgrades.

Applying the Upgrade

1. Craft the appropriate tier upgrade item (for example, a Basic to Iron Tier Upgrade to go from a Basic chest to an Iron chest).

2. Place your existing chest or barrel in the world and open its interface.

3. In the upgrade slots on the right side of the GUI, place the tier upgrade item.

4. The chest immediately converts to the new tier, retaining all stored items and previously installed upgrade modules.

You can also combine upgrades in sequence — Basic to Copper, then Copper to Diamond — or use a direct jump upgrade like Basic to Diamond if you have the materials. Tier upgrades are consumed on use, so you need one per chest. If you want to move a chest without losing contents, break it with a Storage Tool or a normal tool while sneaking; the contents stay inside.