HPE Ethernet Adapter 817738-B21, Type: Network Adapter, Interface: Ethernet 10GBase-T, Data Link Protocol: 10 Gigabit Ethernet, Ethernet 10GBase-T, Form Factor: Plug-in Card, Interface Type: PCI Express 3.0 x4, Ports: 2 Port, Connectivity Technology: Wired. The HP Ethernet 10Gb 2-port 562 Adapters deliver high performance and low latency for Ethernet traffic to and from the server with minimal CPU resources required.