Lenovo 49Y7970 Internal Ethernet 1000Mbit/s networking card

Intel X540-T2 Dual Port 10GBaseT Adapter he Intel X520 and X540 Dual Port 10 GbE adapters for System x are powered by reliable and proven 10Gb 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 and X540 adapters also include FCoE and iSCSI Converged Ethernet support.
The Intel X520 adapter provides SFP+ based connectivity options (fiber or DAC cabling). The Intel X540 adapter offers 10GBASE-T connectivity with RJ-45 ports, with compatibility with the existing 1000BASE-T network, simplifying the transition to the 10 Gb Ethernet technology. Both the X520 and X540 are available in either standard PCIe low-profile card form factor or mezzanine card form factor