Blackmagic Design Decklink Studio 4K - Never used, no box
If you work with a wide range of analog video and audio gear, and need to move seamlessly between SD, HD, 2K and Ultra HD, then DeckLink Studio 4K is perfect! 1 x 10-bit SD/HD/2K/4K. Supports 6G 4:2:2 and 3G 4:4:4.