Nvidia Introduces BlueField-4 STX For AI Storage Systems
Nvidia Corp. today launched the BlueField-4 STX reference architecture, enabling hardware makers to build storage systems optimized for AI clusters, unveiling it at its GTC developer event. The design centers on the BlueField-4 DPU and includes Spectrum‑X switches and ConnectX‑9 SuperNICs, which Nvidia says enable up to 5× faster token processing and 4× better energy efficiency; partners expect shipments beginning in H2 2026.
Key Points
- 1Introduces BlueField-4 STX reference architecture featuring BlueField‑4 DPU, Spectrum‑X switches, and ConnectX‑9 SuperNICs
- 2Reduces CPU and OS overhead via RDMA and DPU offload, accelerating data paths between GPUs and flash storage
- 3Enables KV-cache CMX designs to boost LLM inference and retrieval, promising 5x token throughput and 4x energy gains
Scoring Rationale
Official Nvidia product launch with strong performance and partner traction; score limited by vendor-only claims and lack of independent benchmarks.
Sources
Public references used for this report.
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