Dell Mellanox CX516A ConnectX-5 EN 2P 100Gigabit NIC Network Card 09DVW4 9DVW4

The Dell Mellanox ConnectX-5 Network Interface Card (NIC) delivers ultra-high-performance 100 Gigabit Ethernet connectivity for modern data centers, cloud platforms, and high-performance computing environments. Identified by Dell part numbers 9DVW4 and 09DVW4, this adapter is based on the Mellanox ConnectX-5 CX516A architecture and provides industry-leading bandwidth, ultra-low latency, and advanced hardware offloads.

Manufactured by Mellanox for Dell, the MCX516A-CCAT is engineered to accelerate compute, storage, and GPU-driven workloads while reducing CPU overhead through intelligent offload technologies.

Key Specifications

• Manufacturer: Mellanox (Dell OEM)

• Model / MPN: MCX516A-CCAT (ConnectX-5 CX516A)

• Dell Part Numbers: 9DVW4, 09DVW4

• Network Interface: 100 Gigabit Ethernet (100GbE)

• Ports: Dual-Port

• Connector Type: QSFP28

• Bus Interface: PCI Express (PCIe)

Performance & Features

• Up to 100Gbps per port for extreme throughput

• Ultra-low latency networking for mission-critical workloads

• NVMe over Fabrics (NVMe-oF) offload support

• Advanced networking and storage acceleration

• Reduces CPU utilization with intelligent hardware offloads

Form Factor & Compatibility

• Available with low-profile and full-height bracket options

• Designed for high-density server environments

• Compatible with x86, Power, ARM, and GPU-accelerated platforms

• Ideal for enterprise servers, cloud infrastructure, and HPC systems

Ideal Use Cases

• High-performance computing (HPC)

• AI and GPU-accelerated workloads

• NVMe-oF storage and software-defined storage

• Cloud and hyperscale data centers

• Low-latency financial and analytics platforms

The Dell Mellanox ConnectX-5 Dual-Port 100GbE NIC (9DVW4 / 09DVW4 / MCX516A-CCAT) delivers exceptional bandwidth, scalability, and advanced offload capabilities, making it a powerful networking solution for next-generation enterprise and data center deployments.