The LENOVO 49Y4243 Intel Ethernet Quad Port Server Adapter I340-T4 is a powerful network interface card designed to meet the rigorous demands of modern enterprise networks and data centers. This adapter features four RJ-45 ports that support 1 Gigabit Ethernet connections, enabling high-density networking configurations and efficient aggregation of network traffic. Built on Intel's proven network technology, the I340-T4 provides reliable and secure data transmission, with advanced features such as Virtual Machine Device Queues (VMDq) and PCI-SIG* SR-IOV for improved data processing efficiency and reduced I/O bottlenecks. It is an ideal solution for virtualized environments, offering capabilities to distribute network traffic across multiple CPU cores, enhancing performance and server utilization. The quad-port design allows for significant network expansion and redundancy, ensuring continuous availability of mission-critical applications. Its low-profile form factor and included full-height bracket make it adaptable to various server configurations, facilitating easy integration into existing systems.