found at Camera House
Atomos AtomFlex HDMI Mini 30cm Cable - Die-Cast Metal (60cm Extended) Passes the high-speed tests laid out in HDMI 2.0. 4K 60p and HD 240p are fully supported. Coiled cable to provide flexibility on the rig, extending and retracting as you need to minimize clutter. The excellent cable for Atomos Inferno and connecting other high frame rates 4K 60p ProRes and Raw infrastructure.