Intel Ethernet Server Adapter I340-T4 1Gbps RJ-45 Copper， PCI Express 2.0 x 4 Lane， OEM packaging<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>INTEL CORP. E1G44HTBLK BULK ETHERNET I340 SERVER ADAPTER</li><li>PCI Express 2.0 (5 GT/s) bus type; 4-lane PCI Express bus size (operable in x4， x8 and x16 slot)</li><li>Intel 82580 controller， RJ-45 connector， over copper cabling</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51x6GIWgG0L.jpg" noproxy>