Choosing the right NIC directly affects GPU utilization and training throughput. ConnectX-6 Dx supports 2x100GbE over PCIe 4.0 with hardware RDMA offload - ideal for AI inference and scale-out storage. ConnectX-7 doubles bandwidth with 2x200GbE or 400GbE NDR InfiniBand over PCIe 5.0 - the standard for DGX H100 training clusters.
Which to Choose
Choose ConnectX-6 Dx for AI inference, enterprise NAS, and cloud-native apps requiring up to 200GbE. Choose ConnectX-7 for large-scale AI training (100+ GPUs), HPC workloads, and ultra-low latency applications needing 400GbE or NDR InfiniBand. Topstar stocks both in PCIe and OCP 3.0 form factors. Request quote: dsale@topsfp.com | WhatsApp: +86 198 6014 6913
dsale@topsfp.com
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