The ACASIS 4K HDMI PCIe x4 Video Capture Card is capable of streaming/recording from 4 separate devices simultaneously. It features 4 ports for HDMI/SDI interfaces, an external PCIe 2.0 X4 interface with 20Gb/s bandwidth, and analog to digital video capture capabilities. The card is compatible with universal products and has a sleek set-top box/appliance form factor. With a PCI Express x4 compatible port and 4-channel HDMI/SDI internal interfaces, this ACASIS video capture card is a versatile option for video capture and streaming needs.