Features: and high quality Whole data, low cost, low power performance. 10G Ethernet, standard CAT-6a cable with RJ45 connectors, backward compatibility with existing 1000BASE-T networks simplifies transition to 10GbE. Flexible I/O virtualization with port zoning and Quality of Service (QoS) for up to 64 virtual ports. Unified network provides iSCSI and FCoE in one low cost CNA, industry dual port 10GBASE-T adapter. Single chip solution with integrated MAC+PHY. Specifications: Material:PCB Applicable network: 10G Ethernet server Main controller: X540 Bus Type: PCI-Express X8, 5.0GT/s Media interface: RJ45, copper cable Transmission rate: 100/1000/10000Mbps Size:Approx.190x148x30mm/7.48x5.82x1.18inches Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Network Card