All Decklink, Intensity and UltraStudio products.
AJA Video Systems
KONA 5, KONA 4, KONA 1 (Capture and Preview)
KONA 3G, KONA LHi, Io 4K Plus, Io 4K, T-Tap Pro, Io X3 (Preview only)
EDIUS X Pro allows I/O output in up to 4K 30p.
EDIUS X Workgroup allows I/O output in up to 4K 60p and 4K downscaling of 8K.