The best-selling Intel X520 dual-port (2x10GbE) adapter is known for its high performance, low latency, reliability, and flexibility. The addition of a new low profile QSFP+ 4x10GbE adapter to the X520 family delivers all of the capabilities in a 4x10GbE adapter. The Intel Ethernet Converged Network Adapter X520-QDA1 adapter delivers a proven, reliable solution for deployments of high density Ethernet for unified 10GbE network connections. The new single-port QSFP+ adapter delivers 4 channels of line-rate 10Gb Ethernet in a single PCIe slot using the latest PCI Express (PCIe) v3.0 bus technology for maximum bandwidth that addresses the increasing capability of the latest Intel Xeon processor E5/E7 based platforms.