# NVIDIA's BlueField-4 STX Puts KV Cache on the Critical Path for AI Inference

- slug: nvidias-bluefield-4-stx-puts-kv-cache-on-the-critical-path-for-ai-inference
- date: 2026-03-21
- category: Agentics

NVIDIA BlueField-4 STX Is Real Infrastructure — But You Cannot Buy It Yet

When an AI agent loses context mid-task because storage cannot keep pace with inference, that is not a model problem.

---