UPDATED (June 13, 2016 11:34 a.m.) - The Xbox One S will be available in August for $299. Xbox also announced Xbox Play Anywhere program, where all games purchased on the Xbox One will also be playable on PC, with some titles featuring cross-platform play.
The Xbox One Slim has shown up on NeoGAF!
Leaked a day before the the Xbox Press Conference, The Slim, touts a 2TB hard drive, support 4K video, and be 40% smaller than the original Xbox One.
Introducing the new Xbox One S. Play the greatest games lineup, including Xbox 360 classics, on a 40% smaller console. Experience richer, more luminous colors in games and video with High Dynamic Range technology. Stream 4K video on Netflix and Amazon Video, and watch UHD Blu-ray™ movies in stunning 4K Ultra HD.