noun
peripheral; peripheral device
Computing term for external devices connected to a computer, such as printers, keyboards, or mice. Often used in technical contexts; the synonym 周辺装置 is more common in everyday Japanese.
See also: 周辺装置
新しいペリフェラルを接続するには、ドライバをインストールする必要があります。
To connect a new peripheral, you need to install the driver.
このUSBポートはペリフェラル用です。
This USB port is for peripherals.