The new DM-3400 monitor displays 3840 x 2160 resolution and support for DVI-D (4 channels) and HD-SDI (4 channels/Dual Link) signals. Also there is multi-rate support (60p, 60i, 24PsF) and automatic detection of the field frequency.
The HD-SDI input is ITU-RBT compliant and accepts 1-, 4-, or 8 channel inputs. DM-3400 monitor has option for contrast, gamma and brightness adjustments for each RGB channel, as well as handling RGB 4:4:4 signals as well as four input channels for a quad display view.
Unfortunately price and release date is still unknown.
Source: By Aleksandar Cocek of Wired Visitor Blog