Translation guide
A Network Interface Card (NIC) is a hardware component that connects a computer to a network. In Japanese, it is commonly referred to using the English acronym or translated terms.
The physical hardware component that provides network connectivity.
The English acronym 'NIC' is widely understood in Japanese IT contexts, pronounced as エヌアイシー.
This server has two NICs installed.
The full Japanese translation, often used in formal or technical documentation.
You need to replace the network interface card.
A common colloquial term, literally 'LAN card', used in everyday conversation.
I bought a new LAN card.