Translation guide
A device that captures video/audio from an external source (like a game console) to a computer for recording or streaming.
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.
新しいキャプチャーボードを買った。
I bought a new capture card.
このキャプチャーボードは4Kに対応している。
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.
PCにキャプチャーカードを取り付けた。
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.
ビデオキャプチャーを使ってゲーム実況をしている。
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.
内蔵型のキャプチャーカードを探しています。
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.
USBキャプチャーボードならノートPCでも使える。
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.