Network Interface Card or NICShort for Network Interface Card, a NIC is also commonly referred to as an Ethernet card and network adapter and is an expansion card that enables a computer to connect to a network such as a home network or the Internet using an Ethernet cable with a RJ-45 connector. The picture is an example of a SMC EZ Card 10/100 PCI network card, a network card commonly found in most desktop computers today that do not already have an onboard network on their motherboard.

Wireless network cardThe second picture is another example of a network card, a PC Card SMC EZ Card 10/100 wireless network card. These cards are used in laptop computers that do not have a built-in wireless network.

Related pages

Also see: Connection, LAN, Network terms, Processing device