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Borderlands 4: How to Get SDU Tokens

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SDU tokens are essential for upgrading your character in Borderlands 4. They let you carry more ammo, expand your backpack space, and increase bank storage. With so many different ways to earn them across Kairos, it can be tricky to know where to start. This guide highlights the most reliable methods, from quick and easy farming options to more challenging activities for advanced players.

What is SDU Token

Storage Deck Upgrades (SDUs) are tokens used to expand your character’s carrying capacity. With them, you can upgrade ammo limits, backpack slots, bank storage, and lost loot. Each upgrade costs more than the last, so smart spending is key.

Best Ways to Get SDU Tokens in Borderlands 4

The simplest way to get SDU tokens in Borderlands 4 is to focus on activities that are fast, repeatable, and always worth the time. These are designed to give you quick SDU chunks without throwing you into endless boss fights or complicated dungeons.

Point	Location	Action
Safehouses	Across all regions	Capture them by finding a Datapad and activating the command console. Rewards 40 SDU and unlocks fast travel.
Order Silos	Across all regions	Similar to Safehouses, each Silo nets 40 SDU and unlocks a fast travel hub.
Vault Symbols	Scattered walls, major hubs	Interact with glowing graffiti-like symbols. Each gives 5 SDU.
Evocarium Puzzles	Various landmarks	Collect three orbs around a pedestal, then activate it for 15 SDU.
Lost Capsules	Random field spawns	Carry capsules back to Safehouses to unlock 15 SDU and loot drops.

Note: Safehouses and Silos are the most efficient since they also improve map mobility. Vault Symbols are the least rewarding individually but stack up across the campaign.

Hardcore Ways to Get SDU Tokens in Borderlands 4

If you want to maximize SDU gains and are ready for bigger fights, these tougher side activities give the best payouts. They demand more combat power, puzzle-solving, or endurance.

Point	Location	Action
Order Bunkers	Across all regions	Mini-dungeons with enemies, puzzles, and bosses. Reward 40 SDU on completion.
Abandoned Auger Mines	Fadefields, Carcadia, Dominion	Long dungeons with environmental hazards and final bosses. Reward 40 SDU.
Ripper Drill Sites	Across multiple zones	Kill waves of enemies until a mini-boss spawns. Defeat them for 40 SDU.
Ancient Crawlers	Massive vehicles in Kairos	Climb to the top, clear enemies, and power them up for 40 SDU.
Propaganda Speakers	27 scattered locations	Hack speakers while fending off enemy waves. Each nets 20 SDU.

Note: Hardcore methods aren’t required early game. Save these for when you need bulk upgrades or if you’re looking for challenges alongside rewards.

Beginner Tips

Even if you know where to get tokens, getting around and running the game smoothly makes the grind easier. Two beginner tips stand out: performance tuning and vehicle use.

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