This Intel PRO/100 S 10/100 PCI Network LAN NIC RJ-45 Desktop Adapter is a genuine product that will meet your networking needs. With a maximum data rate of 100 Mbps, it is compatible with PCI ports and features Ethernet (RJ-45) external interfaces. This Lan card is perfect for those looking to upgrade their network components and is specifically designed for use with desktops. The brand, Intel, is known for producing high-quality technology and this product is no exception.