NVIDIA ConnectX-5 EN 25GbE PCIe Network Adapter Card (MCX512F-ACAT)

The NVIDIA ConnectX-5 EN 25GbE PCIe network adapter card (model MCX512F-ACAT) delivers high-performance Ethernet connectivity optimized for data centers, cloud environments, and telecommunications platforms. Designed with advanced features, this adapter supports up to two ports of 25GbE speeds, enabling rapid data transfer rates and low latency, which are essential for demanding workloads such as Web 2.0 applications, storage, and virtualization. With its support for PCIe Gen 4.0, the ConnectX-5 enhances bandwidth and reduces bottlenecks, ensuring efficient data flow across high-speed networks. Its innovative hardware offloads include NVMe over Fabric, backend switch elimination via host chaining, and enhanced vSwitch/vRouter offloads, all aimed at increasing throughput and reducing CPU load.

This adapter is equipped with features that facilitate complex network functions such as overlay network encapsulation and decapsulation, NAT, and programmable pipeline processing. Tag matching and rendezvous offloads help optimize packet handling, while adaptive routing ensures reliable transport for high-availability environments. The embedded PCIe switch simplifies hardware architecture by reducing cabling complexity, and RoCE support allows for lossless Ethernet overlays suitable for virtualized data centers. The adapter's form factor aligns with OCP 2.0 standards, making it compatible with a range of server configurations.

Environmentally conscious, the NVIDIA ConnectX-5 EN is RoHS compliant and features a dual-color design with a green finish. Its support for SR-IOV technology guarantees dedicated resources for virtual machines, enhancing isolation and security. This plug-in card is suitable for server environments seeking to maximize network performance, virtualization capabilities, and scalability, making it an ideal choice for enterprise data centers and cloud service providers seeking robust, efficient, high-speed networking hardware.

Features:

• Tag matching and rendezvous offloads for optimized packet processing

• Adaptive routing on reliable transport for high availability

• Burst buffer offloads for background checkpointing

• NVMe over Fabric offloads to accelerate storage traffic

• Backend switch elimination via host chaining for simplified architecture

• Embedded PCIe switch for reduced cabling and improved scalability

• Enhanced vSwitch/vRouter offloads to support virtualized environments

• Flexible pipeline architecture for future protocol support

• RoCE (RDMA over Converged Ethernet) for lossless overlay networks

• Support for PCIe Gen 4.0 to maximize bandwidth and performance