The LENOVO 49Y7972 Intel X540-T2 Dual Port 10GBaseT Adapter is designed to provide high-speed and low-cost 10 Gigabit Ethernet connectivity. Leveraging the Intel X540 chipset, this adapter offers two RJ-45 ports that support 10GbE over copper cabling, making it an economical option for upgrading existing infrastructure. It is compatible with CAT 6A (or higher) cabling and can reach distances up to 100 meters, providing flexibility in server placement and network design. The adapter supports advanced networking features such as VLAN tagging, QoS, and virtual machine device queues (VMDq) for virtualization efficiency. It is also equipped with Intel Virtualization Technology for Connectivity (VT-c), which improves I/O performance in virtualized environments. The low-profile form factor and PCIe 2.1 x8 interface ensure compatibility with a wide range of Lenovo servers. This network adapter is an excellent choice for businesses looking to enhance their network with 10GbE connectivity without the need for expensive fiber optic solutions.