Translation guide
A device that captures video/audio from an external source (like a game console) to a computer for recording or streaming.
capture card
Most common term for both internal and external devices.
The physical hardware used to capture video from an external source.
The most common and natural term for a capture card in Japanese. Used in gaming, streaming, and general tech contexts.
I bought a new capture card.
This capture card supports 4K.
Also used, but slightly less common than キャプチャーボード. Often refers to internal PCIe cards.
I installed a capture card in my PC.
A broader term that can refer to the device or the process. Less specific than キャプチャーボード.
I'm doing a game stream using a video capture device.
Specifically a card that goes inside a desktop PC.
When emphasizing the internal card form factor, キャプチャーカード is the natural choice.
I'm looking for an internal capture card.
A capture device that connects via USB.
Specifies an external USB capture device. Often used interchangeably with キャプチャーボード.
With a USB capture card, you can use it even with a laptop.
キャプチャーボード is the general term and can refer to both internal and external devices. キャプチャーカード specifically implies a card that plugs into a PCIe slot. In casual conversation, キャプチャーボード is more common.