How to Increase Inventory Space in BL3

How to Increase Inventory Space in BL3

As a veteran gamer with countless hours spent looting and shooting my way through the vast universes of Borderlands, I can confidently say that increasing inventory space is a game-changer, especially in the case of Borderlands 3. The sheer number of items you collect during missions can quickly become overwhelming, making it essential to have more storage space to horde all that loot.


In Borderlands 3, it’s one of the top looter shooters out there due to the availability to expand your inventory capacity. As you accumulate numerous items during each mission, you’ll soon appreciate having a roomier backpack with more slots for storing all the loot you can grab. This is a quick way to earn money in BL3. The larger your storage space, the more items you can gather in-game to sell later.

How to Increase Your Inventory Space in Borderlands 3

How to Increase Inventory Space in BL3

In Borderlands 3, there are two options for storing items: one is your personal inventory, which you can access at any moment during the game; the other is your bank, a secondary storage area that can only be accessed when on the Sanctuary III spaceship.

The Bank serves as a common depository that multiple characters associated with the same BL3 account can access. This means you’re able to transfer powerful artifacts ideal for other characters, or save them for when you decide to craft a fresh vault hunter.

In Borderlands 3, both your backpack and bank come with 16 and 20 slots respectively initially, but that’s hardly enough for this action-packed game. To expand these inventory slots, make a beeline for Marcus’ Munitions, located on the upper level of Sanctuary III. From the fast-travel point, veer right as soon as you arrive. Continue past the Golden Chest and you’ll find Marcus’ store on your right side.

In the primary story of Borderlands 3, Marcus’ Munitions don’t appear until roughly 3 hours have passed. For now, your starting storage will suffice until Sanctuary III takes flight.

In the game Borderlands 3, Marcus offers a range of Storage Deck Enhancements (SDEs), which he affectionately refers to as “Extraordinarily Helpful” upgrades. Each SDE can be bought up to 13 times, boosting the amount of loot and ammunition you’re able to carry.

As a gamer diving into Borderlands 3, I’ve found that the early upgrades are quite budget-friendly. However, as you progress, those Special Weapon Upgrade (SDU) costs start to skyrocket. You’re looking at over $10 million just to access the final SDUs. It’s a substantial hit on your wallet, but the additional loot and ammo stash space make it worth every penny.

SDU Type Capacity Increase per Upgrade
Backpack SDU +3 Slots
Bank SDU +5 Slots
Lost & Found SDU +1 Slot
Pistol SDU +100 Bullets
SMG SDU +180 Bullets
Shotgun SDU +20 Shells
Assault Rifle SDU +140 Bullets
Sniper SDU +12 Bullets
Rocket Launcher SDU +3 Rockets
Grenades SDU +1 Grenade

In Borderlands 3, Marcus’ Munitions stands as the sole vendor that offers SDUs (Shield of Us). Previously, Crazy Earl was in charge of these items but now he only trades Eridium for weapons and cosmetics. Claptrap, however, is currently preoccupied with finding a solution to master the art of stair-climbing.

Other Ways to Increase Storage Space

In the game BL3, it’s possible to generate numerous characters that can serve as pack animals. Regrettably, your Backpack’s Statue of Bearing (SDUs) aren’t transferable among all these characters. However, when you engage in Mayhem modes, you’ll find yourself amassing millions of in-game dollars within just a few gaming sessions.

By using the money you have, you can purchase Backpack SDUs (Storage Development Units) for your mule characters. This upgrade will expand their inventory space significantly. As a result, each of these 10 mule characters could potentially hold more than 50 legendary items in their backpacks. In essence, having 10 mule characters would give you access to over 500 additional inventory slots.

In case your friends wish to contribute some spare change towards purchasing Backpack SDUs for your new characters in Borderlands 3, that’s always an option. If you prefer playing solo, consider entering matchmaking mode for co-op sessions instead. You may encounter players with vast amounts of money (billions) in their accounts. For end-game content, forming a party to take down Mayhem bosses can be beneficial. But remember to properly set up your co-op party for optimal damage output within Borderlands 3.

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2024-09-07 14:03