4K@60HZ HDMI to SDI, HDMI to SDI Converter Two SDI Output Audio Embedder Support HDMI 1.3a, 3G/ HD-SDI Auto Format Detection Extender for Camera CCTV (Black) - Newegg.com
2pcs 6FT HDMI Cable Ultra HD 4K 3D 2160p HDR Compatible 2.1 2.0a 2.0 b 1.4a 1.3 | eBay