The incredibly high performance live production switcher designed to work with the latest formats and high frame rates, all the way up to Ultra HD 2160p59.94, You get 16 next generation ATEM Advanced Chroma Keyers with 4 per M/E, perfect for advanced work and virtual sets. As the most advanced ATEM switcher, this model also includes the latest technology and features such as 2 Ultra HD multi viewers, full 2D DVE, built in SuperSource compositing engine with 4 picture in picture DVE's, full re-synchronization on each 12G-SDI input and much more. The multi rate 12G-SDI connections automatically switch between all HD and Ultra HD formats up to 2160p59.94 with a single BNC cable. Even if you're not working in Ultra HD now, the ATEM 4 M/E broadcast studio 4K has all the power and features for the highest end live production work, while being Ultra HD ready the instant you need it.