AJA OG-Hi5-4K-Plus. Not every job is a 4K job. When you're not working in 4K, OG-Hi5-4K-Plus can still be a useful tool for converting HD-SDI to HDMI. 4K/UltraHD signals at 50 or 60p can be fed into OG-Hi5-4K-Plus and output at up to 60p for viewing with appropriate HDMI 2.0 capable displays.
eBay