Mellanox NVIDIA ConnectX-5 EN MCX516A-CDAT Network Adapter - 100GbE Dual-Port QSFP28 PCIe 4.0 x16 Full-Height Bracket Black

The Mellanox NVIDIA ConnectX-5 EN MCX516A-CDAT is a high-performance 100 Gigabit Ethernet network adapter designed for data centers and enterprise environments. With dual QSFP28 ports and PCIe 4.0 x16 interface, it delivers ultra-low latency and high throughput for demanding workloads such as AI, machine learning, and high-performance computing.

Advantages

Experience unparalleled network performance with RDMA over Converged Ethernet (RoCE) v1/v2, GPUDirect RDMA, and NVMe-oF offloads. The adapter supports advanced virtualization features including SR-IOV, VXLAN, NVGRE, Geneve, and NSH, enabling efficient multi-tenant environments. Its full-height bracket and black color ensure compatibility with standard server chassis.

Suitable for

• Data centers requiring high-bandwidth, low-latency connectivity
• Cloud and enterprise servers running virtualized workloads
• AI and machine learning clusters leveraging GPUDirect RDMA
• Storage networks using NVMe over Fabrics

Key specifications

• Host Interface: PCIe 4.0 x16
• Ethernet Speed: 100 Gigabit Ethernet (100GbE)
• Number of Ports: 2
• Port Type: QSFP28
• Controller Chipset: NVIDIA Mellanox ConnectX-5 EN
• Form Factor: Full-height, Half-length PCIe Card
• Data Rate: Up to 100 Gbps per port
• RDMA Support: RoCE v1/v2
• Virtualization: SR-IOV, VXLAN, NVGRE, Geneve, NSH
• Offload Capabilities: TCP/UDP/IP stateless offloads, RDMA offloads, NVMe-oF offloads, GPUDirect RDMA
• Operating Temperature: 0°C to 55°C
• Power Consumption: Max 20.5W
• OS Support: Windows, Linux, VMware ESXi, FreeBSD, RHEL, SLES, Ubuntu, CentOS, OEL
• Jumbo Frame Support: Up to 9.6 KB
• Management: NC-SI, SMBus, I2C
• Color: Black

Recommendations

For optimal performance, pair this adapter with compatible QSFP28 transceivers and cables. Ensure your system has a PCIe 4.0 x16 slot and adequate cooling. This adapter is ideal for upgrading existing 25/40GbE networks to 100GbE.