An early XBOX ONE Protype dated around 6 months before the final hardware revision, this motherboard is reused from even earlier units that had zebra stripes.
The motherboard still retains debugging functions at this stage.
Another XBOX ONE Controller (Model 1537) Version EV5-B prototype, this one has a hand written label stating "Trigger Demo" "E3 - FW v149" these were early examples of the final first generation XBOX ONE controllers from 2013.