https://www.ebay.com/itm/Prototype-Xbox-Development-Kit-With-Extras/143246533634?hash=item215a28a402:g:KHQAAOSw9kxcx5ms
Prototype Xbox Development Kit XDK "DVT4"Console works, is in great condition especially given rarity and age, DVD drive functions and reads disc's.Never opened all asset tags intact. "Note: not all DVT4 units have the prototype tags just the early run models, which this unit is."