AI Agents Without The Cloud: Microsoft, Nvidia Ready A 128GB Surface Laptop

Microsoft and Nvidia unveiled the Surface Laptop Ultra on Wednesday, a $2,599 Windows machine with up to 128GB of memory designed to run AI agents without the cloud.

Key Points:

• Microsoft and Nvidia launched the Surface Laptop Ultra from $2,599, with shipping set for Oct. 16.
• Satya Nadella pitched new Windows controls that keep AI agents from acting without permission.
• An analyst warned that memory costs leave local AI to buyers with big budgets.

Surface Laptop Ultra Pricing

Nvidia CEO Jensen Huang joined Microsoft CEO Satya Nadella on stage at the San Francisco launch event. Preorders opened the same day, and shipping starts Oct. 16.

The base model pairs an 18-core RTX Spark chip with 24GB of memory, while the top model, with 20 cores, 128GB of memory and 1TB of storage, costs $5,899.

RTX Spark, which Nvidia built with Taiwan's MediaTek, combines an Arm-based processor of up to 20 cores and a Blackwell graphics unit that share one pool of memory. Windows chief Pavan Davuluri said that lets it run AI models other laptops cannot.

Satya Nadella On Agents

Microsoft also introduced Microsoft Execution Containers, a tool that stops AI agents from reaching data or carrying out tasks without permission on laptops and desktops, a risk analysts had flagged before the launch. Anthropic, OpenAI and Nvidia will use it, Davuluri said, and IT departments can set rules that Windows enforces on each employee's machine. "We needed to make the desktop the most secure place for agents to execute," Nadella said.