Surface Laptop Ultra is Microsoft's most powerful Surface yet, powered by NVIDIA's RTX Spark Superchip. With Blackwell RTX graphics, up to 128GB of unified memory, and support for running AI models up to 120B parameters locally, it's built for developers, creators, and AI enthusiasts who want serious computing power without relying on the cloud. All packed into a 15-inch touchscreen laptop weighing under 4.5 lbs.