- Dual 10/25 Gb ports provide up to 100 Gb bi-directional per adapter
 - Converges RoCE with LAN traffic on a single 10/25 GbE wire
 - Tunnel Offload support for VXLAN and NVGRE
 - RDMA over Converged Ethernet (RoCE) for greater server efficiency and lower latency
 - Supports UEFI and legacy boot options
 - Industry-leading throughput and latency performance
 - Over eight million small packets/s, ideal for web/mobile applications, mobile messaging, and social media
 - Greater bandwidth with PCIe 3.0
 - Jumbo Frames support
 - Active Health Systems support
 - Support for Preboot eXecution Environment (PXE)
 - Supports receive-side scaling (RSS) for the efficient distribution of network receive processing across multiple CPUs in multiprocessor systems
 
The HPE Ethernet 10/25 Gb 2-port 640SFP28 adapter for ProLiant Gen9 rack servers are designed to optimize Cloud efficiency, and improve performance and security of applications – especially where I/O, block storage and database performance are critical and the need for maximum VM density and up-scalability are greatest.
The HPE Ethernet 640SFP28 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.