The HELO H.264 Streamer & Recorder from AJA is a stand-alone appliance which brings both SDI and HDMI input/output into a single appliance with the ability to simultaneously stream out to your Content Delivery Network (CDN) as well as encode and record H.264 files to SD cards, USB storage, or network-based storage simultaneously.
 
https://www.bhphotovideo.com/c/product/1248096-REG/aja_helo_h_264_streamer.html