The product is a quad port Ethernet server adapter with a maximum data rate of 1 Gbps, designed for Intel I350T4 1G network adapters. It features RJ-45 external interfaces and PCI Express x4 compatibility. The 1.25GbE NIC by 10Gtek comes with a 1-year manufacturer warranty and is suitable for high-speed network connectivity in servers and other networking devices. With its four ports and efficient data transfer capabilities, this PCIe X4 adapter is a reliable choice for expanding network capabilities in a variety of computing and networking environments.