Product Features: *4-channel HDMI video signal input. *Support 4K 30fps input video signal (compatible with resolutions 4K 30fps below ). *The transmission bandwidth of PCIe 2.0 X4 20GB/s. *Comform to DerictShow DirectSound , PCM 48K stereo. *The video processing is completed by the capture card, which does not occupy the CPU of the host computer. *Automatically detect and inform the input video format. *Support one machine with multiple capture cards and set channel numbers dynamically. *Support Windows operating system. Product Installation: Note:when devices are added to or removed from the system,please make sure the computer is powered off.If possible,disconnect all power cables from the computer before you add a device. Insert the PCIe capture card into the PCIe-X4 Gen2 slot of your host computer (compatible with the interface above the PCIe-X4), and make sure it is firmly seated. Connect the signal source (HDMI interface device) to the PCIe card interface. It can connect four HDMI interface devices at the same time. Reconnect all the power cables to start up the computer, then install the PCIe card driver. Produk ini bergaransi 1 Tahun Driver Download : https://www.mitravisual.com/file-download/VMOX_H4-4K_4CH_UHD_WIN10_20220525.rar