The HDMI input port on Node/EdgeCaster is HDMI 1.4 which can support input up to UHDp30 as implemented on the Node/EdgeCaster product.
Video input formats supported:
UHD (3840x2160 support, NO DCI 4096x2160 support)
No PsF signal support.
Audio input formats supported:
Support for up to 2 channels of HDMI input at 32 kHz, 44.1 kHz or 48 KHz.
Note: SDI input only supports 48K audio.