The Sealed Dell Qlogic QL41164HFRJ Quad Port 10GbE RJ-45 10GBase-T Card D1 is a high-performance network interface card designed for computers. With four Ethernet ports supporting speeds of up to 10 Gbps, this card is perfect for businesses seeking to enhance their network connectivity. Compatible with PCI Express x8 ports, this Dell card is a reliable choice for expanding a computer's networking capabilities.