The ThinkSystem Mellanox ConnectX-5 Ex 25/40GbE 2-port Low-Latency Adapter delivers low sub-600µs latency, extremely high message rates, RoCE v2, NVMe over Fabric offloads and embedded PCIe switch. Mellanox provides the highest performance and lowest latency for the most demanding applications: High frequency trading, Machine Learning, Data Analytics, and more. This adapter ships ready to accept 10GbE, 25GbE or 40GbE network connections. This product guide provides essential presales information to understand the ConnectX-5 Ex adapter and its key features, specifications, and compatibility. This guide is intended for technical specialists, sales specialists, sales engineers, IT architects, and other IT professionals who want to learn more about the adapter and consider its use in IT solutions.