The Intel PRO/100+ Management Adapter, PCI Ethernet NIC, 721383-007 is a 10/100 Ethernet twisted pair card with a 1/3 length PCI form factor. It has one port and a maximum data rate of 100 Mbps. This network card is compatible with universal brands and PCI ports, making it suitable for various computer systems. The card features an RJ-45 external interface and is designed for high-speed networking capabilities. With the trusted Intel brand and reliable performance, this Ethernet NIC is a great addition to enhance your computer's networking capabilities.