This PCIe network card lets you take advantage of improved bandwidth in data-intensive applications such as multimedia streaming and large file transfers. This fiber NIC offers data transfer rates of up to 10Gbps which improve speeds and reduces load times. Featuring an open SFP+ slot, you have the flexibility to make changes as needed just by swapping the module in use, whether it is fiber, copper, or direct attach cables (DAC). PCI Express 3.0 x4.