The Intel X520 Dual Port 10 GbE adapters for System x are powered by reliable and proven 10 Gb Ethernet technology. These adapters offer full line-rate 10 Gbps performance for high-IO intensive applications, and showcase the next generation in 10 GbE networking features for the enterprise network and data center. For ThinkServer, the X520 adapters also include FCoE and iSCSI Converged Ethernet support. The Intel X520 adapter provides SFP+ based connectivity options (fiber or DAC cabling).