SDU Deck Upgrades are essential in Borderlands 4 to ensure that you never run out of ammo or space. By acquiring SDU Tokens, players can upgrade the total ammo of their favorite weapon types, increase ...

If you want to expand your arsenal and be prepared for every fight in Borderlands 4, you will need as many SDU tokens as you can get your hands on. Storage Deck Upgrade tokens are the special points ...