Upgrades

Upgrades

Applies to Vault Drawers 0.0.0-beta.9 for Minecraft 26.2 (NeoForge).

The four upgrade types

Upgrade	Effect
Capacity	Multiplies the stack limit per slot — up to 2048× at the top tier
Void	Deletes excess items when full
Speed	Faster insertion and extraction
Slots	Adds upgrade slots to the drawer, 1–4
Balance	Evens out same-item slots across a network
Conversion	Automatically converts between an item and its ore materials

Apply an upgrade by right-clicking the drawer with it.

Capacity — up to 2048× per tier

Capacity raises how much each slot holds. This is the upgrade that changes what a drawer is: a 1-compartment drawer with capacity upgrades becomes a "thousands of one item" container, which is the form most people actually want for bulk storage.

The tiers

Tier	Multiplier
Obsidian	2×
Copper	4×
Iron	8×
Gold	16×
Emerald	64×
Diamond	256×
Netherite	2048×

The multipliers ADD — they do not multiply

This is the detail that matters most:

When multiple storage upgrades are used together, their multipliers are added before being applied.

So four Netherite upgrades give 8192×, not 2048⁴. Two Diamond and two Gold give (256 + 256 + 16 + 16) = 544×.

Add them yourself if you want the real number: sum the tiers you have, then multiply by the slot's base size.

Because capacity multiplies the base, it multiplies a weak base badly. A 4-compartment drawer's slots are already small, so capacity matters most there — and a 1-compartment drawer barely needs it.

See Drawer Blocks for the per-variant base sizes.

Void

Void upgrades delete the excess when a slot is full and you insert more.

This is the dangerous one. It is genuinely useful — a slot that silently keeps the first 64 of a bulk item instead of rejecting the insert — but it means items can be destroyed, and it does so without a prompt.

Void is not a capacity upgrade in the ordinary sense: it converts "your insert failed" into "the items you were inserting no longer exist". If you want the drawer to refuse rather than delete, do not use it.

Speed

Speed makes insertion and extraction faster. Most relevant on a large network driven by hoppers or pipes, where throughput per drawer compounds across many drawers.

On a handful of drawers it is cosmetic. On a Controller network of several hundred, it is the difference between the wall keeping up and lagging behind.

Slots — 1 to 4

Slots upgrades add upgrade slots to the drawer, up to 4.

This is a prerequisite upgrade, not a benefit on its own: it is what lets a drawer carry more than one capacity, void or speed upgrade at once. A drawer with no slots upgrades can hold exactly one.

So the practical build order is slots first, then what goes in them — a drawer with three capacity upgrades did not get them free.

Choosing what to put where

You want	Build
Bulk of one item	1 compartment + capacity upgrades
Many item types, visible	4 compartments + capacity upgrades
Inserters must never stall	speed upgrades
Never lose an item to a full slot	void — or just don't
Several upgrades at once	slots upgrades, up to 4

Levels stack

Upgrades apply per drawer, not per slot. A capacity upgrade raises every compartment in that drawer, not one of them — which is why capacity is such a large multiplier and why it compounds fastest on the 4-compartment variant with the smallest base.

Removal

You can retrieve an upgrade by right-clicking the drawer with an empty hand on the upgrade slot. Taking an upgrade out does not delete the items, and does not drop them — it leaves them in the drawer.