The system update does not turn the system white... only the employee models do that. The June system update rolling out to Xbox One system worldwide this week includes surface-level features like external hard drive support, as we mentioned this morning. But Microsoft says the new firmware will also help developers extract more power from the system's Graphical Processing Unit (GPU), even though the base hardware in the system is obviously staying the same. Microsoft didn't trumpet this news in a press release or blog post, but threw it out there in a tweet from Microsoft's new executive in charge of Xbox, Phil Spencer: "June #XboxOne software dev kit gives devs access to more GPU bandwidth.