The Intel® Ethernet 10 Gigabit I/O Card for Dell PowerEdge blade servers provides ultimate flexibility and scalability in virtual and unified storage environments. The Intel Ethernet X520 10 GbE I/O is optimized for I/O performance and is ideal for most enterprise applications including virtualization, database and streaming video Offering the best choice for virtualization is Intel Virtualization Technology for Connectivity (VT-c) providing a suite of technologies that optimizes I/O performance and scalability.