Brand: NVIDIA Mellanox · SKU: MCX516A-CDAT · MPN: MCX516A-CDAT · Category: Components
The NVIDIA Mellanox MCX516A-CDAT ConnectX-5 EN adapter card is a high-performance 100GbE network interface card (NIC) featuring dual QSFP28 ports and a PCIe 4.0 x16 host interface. Engineered to provide sub-microsecond latency and an extremely high message rate, it is optimized for High-Performance Computing (HPC), Cloud, Web 2.0, and enterprise data center platforms. The card supports advanced features such as RDMA over Converged Ethernet (RoCE v2), Accelerated Switching and Packet Processing (ASAP2) technology, and Single Root I/O Virtualization (SR-IOV). It also provides hardware-based offloads for virtual switches (OVS), NVMe over Fabrics (NVMe-oF), and network overlay protocols like VXLAN, NVGRE, and GENEVE, significantly reducing CPU overhead and improving overall system efficiency.
| Bracket Type | Full Height / Tall Bracket |
|---|---|
| Connector Type | QSFP28 |
| Interface Type | PCI Express 4.0 x16 |
| Number of Ports | 2 |
| Protocol Support | Ethernet (10/25/40/50/100 GbE) |
| Advanced Features | RoCE v2, ASAP2, SR-IOV, NVMe-oF Offloads |
| Data Transfer Rate | 100 Gbps |
| Warranty | 1 Year Limited Warranty |
| Weight | 0.23 kg |
| Dimensions | 16.7 cm x 6.6 cm |
ConnectX-5 EN adapter cards provide a high-performance and flexible solution for the most demanding data center applications. With two ports of 100Gb/s Ethernet and support for PCIe Gen 4.0, these cards maximize bandwidth and minimize latency for cloud and storage workloads.
Yes, this NVIDIA Mellanox ConnectX-5 EN 100GbE Dual-Port QSFP28 Network Adapter (MCX516A-CDAT) is 100% genuine NVIDIA Mellanox hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This NVIDIA Mellanox ConnectX-5 EN 100GbE Dual-Port QSFP28 Network Adapter includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the MCX516A-CDAT.