The Rosewill Gigabit PCIe LAN Network Interface Card RC-411v3 is a high-speed LAN card designed for easy installation into a PC. With a maximum data rate of 1 Gbps, this card provides reliable and fast Ethernet connectivity through its external RJ-45 interface. It is compatible with a universal range of brands and models, making it a versatile choice for upgrading your computer's network capabilities. The compact PC Card (PCMCIA) Type I form factor and single port design ensure seamless integration with your computer system for improved network performance.