This 3COM Ethernet Card is a PCI card with a maximum data rate of 10 Mbps. It has one port and is compatible with the EarthLink XL PCI interface. The card is from 1997 and is a vintage item that can be a great addition to any collection. The brand is 3Com and the type is a Lan Card. It has external and internal interfaces that allow for easy connectivity. This unit can be a great addition to any computer or network setup.