NVIDIA Mellanox ConnectX-6 VPI 100Gb Network Interface Card
Model: MCX653105A-ECAT
Board ID: CX653105A

The NVIDIA Mellanox ConnectX-6 VPI MCX653105A-ECAT is a high-performance 100Gb network interface card built for modern data centers, cloud environments, high-performance computing (HPC), and latency-sensitive workloads. Based on the CX653105A hardware platform, this adapter delivers flexible connectivity with support for both InfiniBand and Ethernet protocols.

Key Features

• Single-port QSFP56 interface supporting up to 100Gb/s
• PCIe Gen3 / Gen4 x16 host interface
• Supports InfiniBand EDR and HDR100
• Compatible with 100Gb Ethernet and backward to 10GbE
• Ultra-low latency under 600 nanoseconds
• High message rate up to 215 million messages per second
• Advanced hardware offloads and RDMA support
• Integrated XTS-AES encryption engine
• SR-IOV virtualization support

Technical Specifications

• Product Line: NVIDIA Mellanox ConnectX-6 VPI
• Part Number: MCX653105A-ECAT
• Board Model: CX653105A
• Ports: 1 x QSFP56
• Maximum Data Rate: 100 Gb/s
• Host Interface: PCIe x16
• Form Factor: Half-Height, Half-Length (HHHL)
• Bracket: Full-height installed

Protocol Support

• InfiniBand: SDR, DDR, QDR, FDR10, FDR, EDR, HDR100
• Ethernet: 100GBASE-CR4, CR2, KR4, SR4
• Backward compatible to 10Gb Ethernet

Physical Specifications

• Dimensions: 6.6 x 2.71 inches (167.65 x 68.90 mm)
• Connector Type: QSFP56
• Typical Power Consumption: 15.6W
• Maximum Port Power: 5W

Advanced Capabilities

• RDMA over Converged Ethernet (RoCE)
• InfiniBand verbs acceleration
• Packet processing offloads
• Hardware-based encryption and security
• Optimized for virtualization and multi-tenant environments

Important Notes

• Supports EDR and HDR100 (100Gb)
• Does not support full 200Gb HDR
• Uses CX653105A hardware platform with firmware-limited speed

Typical Applications

• High-performance computing (HPC)
• AI and GPU clusters
• Cloud data centers
• NVMe over Fabrics (NVMe-oF) storage
• Low-latency trading systems

The MCX653105A-ECAT provides reliable, high-speed 100Gb connectivity with enterprise-grade performance, advanced acceleration features, and flexible dual-protocol support.