The Phantom 3 4k is no longer listed on the DJI site. Not a surprise frankly.
DJI - The World Leader in Camera Drones/Quadcopters for Aerial Photography
DJI - The World Leader in Camera Drones/Quadcopters for Aerial Photography
DJI - The World Leader in Camera Drones/Quadcopters for Aerial Photography
DJI - The World Leader in Camera Drones/Quadcopters for Aerial Photography