Mellanox Launches New Generation ConnectX-7 Network Card: Doubled Bandwidth, Reduced Latency

October 7, 2025

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Mellanox Unveils Next-Generation ConnectX-7 Adapter: Delivering Double the Bandwidth and Revolutionary Low Latency

Sunnyvale, Calif. – [Date] – Mellanox Technologies, a NVIDIA company and leader in high-performance networking, today announced the groundbreaking launch of its ConnectX-7 SmartNIC, setting a new industry benchmark for data center performance. The latest addition to the ConnectX series is engineered to meet the escalating demands of modern AI, cloud, and storage infrastructures, delivering unprecedented 400Gb/s bandwidth and cutting-edge low latency capabilities. This leap forward redefines the possibilities of high performance networking, enabling enterprises to process data-intensive workloads with unparalleled efficiency.

Architectural Breakthroughs in the Mellanox ConnectX-7

The Mellanox ConnectX-7 is built upon a revolutionary architecture that integrates multiple technological advancements. It features a new, more powerful ASIC with enhanced processing cores dedicated to networking, storage, and security functions. This design allows for full hardware offload of critical operations, including NVMe over Fabrics (NVMe-oF), IPsec cryptography, and advanced virtualization, ensuring that host CPU resources are freed for application processing. The adapter's innate support for PCIe 5.0 and DDR5 memory provides the necessary internal bandwidth to fully utilize its 400GbE and NDR 400Gb/s InfiniBand interfaces, eliminating any internal bottlenecks.

Quantifiable Performance Gains: Data That Speaks Volumes
Performance Metric ConnectX-6 ConnectX-7 Improvement
Max Bandwidth 200 Gb/s 400 Gb/s 100% Increase
Tail Latency (99.9%) 600 ns < 300 ns >50% Reduction
Messages Per Second 200 Million 500 Million 150% Increase
CPU Offload Efficiency ~30% Savings ~50% Savings ~67% More Efficient
Transforming Enterprise and Cloud Data Centers

The implications of this performance leap extend across the entire technology landscape. For AI and ML clusters, the combination of extreme bandwidth and ultra-low latency drastically reduces model training times from days to hours. In hyper-scale cloud environments, the enhanced density and efficiency allow providers to serve more customers with higher performance guarantees from a smaller physical footprint. For storage, the native NVMe-oF offload enables disaggregated storage pools to perform as if they were locally attached, simplifying data architecture while boosting performance.

Strategic Value and Future-Proofing Infrastructure

Investing in the Mellanox ConnectX-7 is a strategic decision for future-proofing data center infrastructure. It provides a clear pathway to 400G networks, ensuring organizations are prepared for next-generation applications and massive data growth. The adapter's comprehensive feature set for high performance networking—including advanced telemetry, robust security isolation, and seamless integration with NVIDIA's DPU software stack—creates a holistic solution that boosts performance, enhances security, and simplifies network operations.