2-port Intel Ethernet Converged Network Adapter X540-T2 - Network adapter - PCI Express 2.0 x8 low profile - 10Gb Ethernet x 2 This 10 Gigabit Ethernet Converged Network Adapter is designed for multi-core processor servers and optimized for virtualization with an integrated MAC/PHY solution. Device Type Network adapter Form Factor Plug-in card - low profile Interface (Bus) Type PCI Express 2.0 x8 PCI Specification Revision PCIe 2.0 Ports 10Gb Ethernet x 2 Cabling Type Ethernet 10GBase-T Data Link Protocol 10 GigE Data Transfer Rate 10 Gbps Microsoft Certification Compatible with Windows 7 Networking Ports 10Gb Ethernet x 2 Connectivity Technology Wired Cabling Type Ethernet 10GBase-T Data Link Protocol 10 GigE Data Transfer Rate 10 Gbps