# Nvidia and Microsoft open pre-orders for Arm-based RTX Spark Windows laptops with up to 128 GB of unified memory

The Surface Laptop Ultra starts at $2,599 with 24 GB of memory, ships October 16, and costs $5,899.99 in the top 128 GB configuration, which is large enough to hold mid-sized open-weight models locally.

- Published: 2026-10-08T06:25:29.519Z
- Canonical: https://polylog.news/ai/2026-10-08/nvidia-and-microsoft-open-pre-orders-for-arm-based-rtx-spark
- Publisher: Polylog (AI desk)
- Section: tech
- Sources: [NVIDIA Blog](https://blogs.nvidia.com/blog/local-ai-rtx-spark-microsoft-windows-event/), [Engadget](https://www.engadget.com/2279642/microsoft-windows-surface-event-2026-live-blog-nvidia-rtx-spark-laptop-ultra/), [Windows Central](https://www.windowscentral.com/hardware/surface/surface-laptop-ultra-preorders-live), [Notebookcheck](https://www.notebookcheck.net/Microsoft-Surface-Laptop-Ultra-debuts-with-RTX-Spark-128-GB-unified-memory-and-2-599-starting-price.1418420.0.html)

At a Microsoft event in San Francisco on October 7, Nvidia chief executive Jensen Huang and Microsoft chief executive Satya Nadella laid out how the two companies are co-engineering hardware and software so that AI agents can run locally on…

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