Lenovo introduces the new generation gigabit server Ethernet adapter by Intel to provide you with the best connectivity scalability and performance via the PCIe slot. The new adapters, built with the bridgeless Intel Ethernet Controller I350, represent the next step in the Gigabit Ethernet (GbE) networking evolution for the enterprise and data center by introducing new levels of performance through industry-leading enhancements for both virtualized and iSCSI Unified Networking environments. This new family of adapters also includes new power management technologies such as Energy Efficient Ethernet (EEE) and DMA Coalescing (DMAC).Test-proven 100% compatible on listed ThinkServer Systems Halogen-free dual- or quad-port Gigabit Ethernet adapters with copper interface Innovative power management features including Energy Efficient Ethernet (EEE) and DMA Coalescing for increased efficiency and reduced power consumption