​4-port HDMI input and 4-port HDMI output cards are available now.

SPECIFICTIONS:
Inputs
4x HDMI [4x Uncompressed AV and Data]
4x 3.5mm [4x Stereo(L/R)]
Outputs
4x 3.5mm [4x Infrared Emitter]
Dimensions: 197mm [W] x 364mm [D] x 29mm [H]
Net Weight: 458g