A video capture card, also known as a capture device, is an essential tool for live streaming. It enables you to capture and transfer video signals from a camera, gaming console, or other video source to your computer for processing and broadcasting over the internet. There are two types of video capture devices for live streaming: USB video capture devices and HDMI video capture cards.

A USB video capture device is a small device that connects to your computer via USB and allows you to capture video from a camera or other source. It's a cost-effective option for those who want to start live streaming without investing in an expensive capture card.

On the other hand, an HDMI video capture card is a more advanced device that is used to capture high-quality video from an HDMI source. It connects to your computer's PCI Express slot or Thunderbolt port, allowing you to capture and stream high-definition video in real-time.

A video capture device for live streaming is an essential tool for those looking to start streaming video content online. It allows you to capture high-quality video and stream it to your audience in real-time.