Intel ET and EF multi-port gigabit server adapters are the third generation of PCIe GbE network adapters. Built on the Intel 82576 Gigabit Ethernet Controller, these new adapters are the next step in the evolution of GbE networking capabilities for the enterprise network and data center. These features include support for multi-core processors and optimization for server virtualization. Built-in QoS and traffic management systems, flexible port division, virtual machine device queues (VMDq), PCI-SIG * SR-IOV support. This network card INTEL E1G44ET2BLK907807 has four ports of 1 Gb / s each, which will allow you to combine even four cables with gigabit Internet, for the maximum increase in data transfer speed.