Microsoft just launched a new Surface Dev Box, and the company is already using the machine live on stage at Build. The top looks like the vent on an Xbox Series X, and inside there’s an Nvidia RTX Spark chip and 128GB of unified memory. Overall, I’d say it looks like a flattened Xbox Series X. [Image: The Surface RTX Spark Dev Box on stage at Build. https://platform.theverge.com/wp-content/uploads/sites/2/2026/06/20260602_164450158_iOS.jpg?quality=90&strip=all]

Microsoft’s new Surface RTX Spark Dev Box packs Nvidia Blackwell AI power and 128GB of unified memory to run large AI models locally, helping developers cut cloud costs and…

The Surface RTX Spark Dev Box is designed for local-first AI development.