The Sonnet Express PCI expansion boxes work very well. There are other brands too. Check here: https://thunderbolttechnology.net/products

Chris, it is one input with HDMI pass through I believe. Breaking news though. Avermedia has released some new software in beta that allows you to use the Live Gamer Portable as a camera source in...

Please refer to this thread! http://forum.ibroadcastnetwork.org/showthread.php/833-Avermedia-DarkCrystal-HD-Capture-SDK-Duo-(C129)-4-port-card!?p=3930#post3930