The Intel X520 DP 10 Gb DA/SFP+ server adapter from Dell is a high performance adapter designed for the high-speed PCI Express bus architecture. It offers increased bandwidth, reliability and enhanced functionality. The dedicated input/output (I/O) bandwidth of PCIe ensures priority performance on the port - without bus sharing - for Gigabit Ethernet connectivity.
DELL 540-BBDW. Internal, Connectivity technology: Wireless, Host interface: PCI-E, Interface: Ethernet. Data transfer rate (max): 10000 Mbit/s