Microsoft created the mini Surface dev box that Qualcomm couldn’t

The Verge / 6/3/2026

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Key Points

  • Microsoft has announced a new miniature developer-focused Surface PC called the Surface RTX Spark Dev Box, designed for hands-on work on sustained workloads and local AI tasks.
  • The device is powered by Nvidia’s new Arm-based RTX Spark chips, aligning it with the recently unveiled Surface Laptop Ultra.
  • Its aluminum chassis doubles as a heatsink, targeting efficient cooling with a 100-watt thermal envelope to support long-running performance.
  • The article suggests Microsoft engineered around performance constraints that Qualcomm couldn’t meet, positioning the Dev Box as a practical platform for developers building and testing AI workloads locally.
  • The post also teases additional specifications (beyond the excerpt) and indicates the product is now being revealed for developer use cases.

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