Microsoft launches Surface Laptop Ultra and Dev Box with Nvidia RTX Spark chips for AI PCs

Microsoft revealed prices and specs for its Surface Laptop Ultra, built on Nvidia's RTX Spark chip, starting at $2,600 and designed to run AI models locally on the device. It also announced the Surface RTX Spark Dev Box, starting at $6,000 with developer tools, and a Windows 11 feature called Execution Containers for sandboxing AI agents, which will reach all Windows 11 users.