The HPE Ethernet 10/25Gb 2-port 640FLR-SFP28 adapter for ProLiant Gen9 rack servers provides full-featured, high performance, converged 25 Gb Ethernet that accelerates IT services and increases data center efficiency across a broad range of I/O intensive enterprise, cloud and Telco workloads.It offers a rich set of offload technologies including overlay network tunneling and storage as well as RDMA over Converged Ethernet (RoCE) capabilities that increase host efficiency and virtualization performance.The HPE Ethernet 640FLR-SFP28 can provide up to 100 Gbps of converged bi-directional Ethernet bandwidth, helping to alleviate network bottlenecks. This adapter can also run at 10 Gb for customers who have not changed the infrastructure/switches to 25 Gb yet.