For Skyrim: Special Edition, Xbox One players got 5GB of space, while PS4 players had 1GB. Prior to this update, players were limited only by the amount of data space the mods took up. Xbox one users can now use up to 150 mods at a time PS4 players get 100. The most recent updates for the PS4 and Xbox One versions of Fallout 4 and Skyrim: Special Edition have officially placed a max limit on the number of mods that players can run on their game.