also: ネットワークインターフェイスカード
noun
Computing term for the hardware component that connects a computer to a network. Often abbreviated as NIC in English, but the full katakana form is common in Japanese technical contexts.
新しいパソコンには、高速なネットワークインターフェースカードが搭載されている。
The new PC is equipped with a high-speed network interface card.
After updating the network interface card driver, the connection became stable.