also: キャプチャーカード
noun
capture card; video capture card
A hardware device that captures video and audio signals from an external source (e.g., a game console) and sends them to a computer for recording or streaming.
ゲーム実況のために新しいキャプチャカードを買った。
I bought a new capture card for game streaming.
このキャプチャカードは4K映像に対応している。
This capture card supports 4K video.
Refers to the process or technology of capturing video, while キャプチャカード is the physical hardware device.
Loanword from English 'capture card'.