BlackMagic MICRO CONVERTER - HDMI TO SDI Without Power Supply
HDMI 2.0 to 12G/6G/3G/HD-SDI Converter (PRO-HD2SDI)
Blackmagic HDMI to SDI 12G with power supply - CONVCMIC/HS12G/WPSU - Micro Converter 12G + power
Blackmagic Design CONVBDC/SDI/HDMI03G/PS Micro Converter BiDirect SDI/HDMI 3G PSU - Pro AV Warehouse
Amazon.com: HDMI to SDI Converter, Micro Converter One HDMI in Two SDI Output (with Power Supply Adapter, Audio Embedder Support HDMI 1.3, 3G/HD- SDI Auto Format Detection Extender for Camera CCTV : Electronics