USB Capture Cards are primarily used for recording and streaming screen content. They are especially handy when you want to get a video signal from an external device and broadcast from a laptop or desktop PC.
To use a USB Capture Card, just follow these easy steps:
Connect your camera output to the USB Capture Card with the cable.
Connect the capture card to the provided USB cable.
Connect the USB cable to your computer.
Power your camera.
Log in to OBS/Vmix, etc. to configure related settings.
Internal capture cards tend to process video images faster, but they only make sense for Windows desktop PCs; most laptops require an external capture card.
You can consider the resolution/software compatibility and real needs of the USB Capture Card.