The QLogic 57840S Quad-Port SFP+ converged NDC integrates seamlessly with your Dell PowerEdge servers to help improve efficiency and bring the speed of full line-rate network performance to your server room. Device Type: Network adapter Ports: 10Gb Ethernet x 4 Data Link Protocol: 10 GigE Data Transfer Rate: 10 Gbps Designed For: PowerEdge M620, M630, M820 Device Type: Network adapter Ports: 10Gb Ethernet x 4 Connectivity Technology: Wired Data Link Protocol: 10 GigE Data Transfer Rate: 10 Gbps Interfaces: 4 x 10Gb Ethernet - SFP+ Designed For: Dell PowerEdge M620, M630, M820