Now Shipping! – 4K Ultra HD 8×8 Matrix for HDMI w/ HDCP 2.2 The Gefen 4K Ultra HD 8×8 Matrix for HDMI routes eight 4K sources to any combination of up to eight 4K displays. Resolutions up to 4K Cinema-DCI (4096 x 2160 at 24 or 30 Hz 4:4:4) and 4K Ultra HD (3860 x 2160 at 60 Hz, […]